dlls/urlmon/http.c

   1 /*
   2  * Copyright 2005 Jacek Caban
   3  * Copyright 2007 Misha Koshelev
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  18  */
  19
  20 /*
  21  * TODO:
  22  * - Handle redirects as native.
  23  */
  24
  25 #include "urlmon_main.h"
  26 #include "wininet.h"
  27
  28 #include "wine/debug.h"
  29
  30 WINE_DEFAULT_DEBUG_CHANNEL(urlmon);
  31
  32 typedef struct {
  33     Protocol base;
  34
  35     const IInternetProtocolVtbl *lpInternetProtocolVtbl;
  36     const IInternetPriorityVtbl *lpInternetPriorityVtbl;
  37
  38     BOOL https;
  39     IHttpNegotiate *http_negotiate;
  40     LPWSTR full_header;
  41
  42     LONG ref;
  43 } HttpProtocol;
  44
  45 #define PROTOCOL(x)  ((IInternetProtocol*)  &(x)->lpInternetProtocolVtbl)
  46 #define PRIORITY(x)  ((IInternetPriority*)  &(x)->lpInternetPriorityVtbl)
  47
  48 /* Default headers from native */
  49 static const WCHAR wszHeaders[] = {'A','c','c','e','p','t','-','E','n','c','o','d','i','n','g',
  50                                    ':',' ','g','z','i','p',',',' ','d','e','f','l','a','t','e',0};
  51
  52 static LPWSTR query_http_info(HttpProtocol *This, DWORD option)
  53 {
  54     LPWSTR ret = NULL;
  55     DWORD len = 0;
  56     BOOL res;
  57
  58     res = HttpQueryInfoW(This->base.request, option, NULL, &len, NULL);
  59     if (!res && GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
  60         ret = heap_alloc(len);
  61         res = HttpQueryInfoW(This->base.request, option, ret, &len, NULL);
  62     }
  63     if(!res) {
  64         TRACE("HttpQueryInfoW(%d) failed: %08x\n", option, GetLastError());
  65         heap_free(ret);
  66         return NULL;
  67     }
  68
  69     return ret;
  70 }
  71
  72 #define ASYNCPROTOCOL_THIS(iface) DEFINE_THIS2(HttpProtocol, base, iface)
  73
  74 static HRESULT HttpProtocol_open_request(Protocol *prot, LPCWSTR url, DWORD request_flags,
  75                                          IInternetBindInfo *bind_info)
  76 {
  77     HttpProtocol *This = ASYNCPROTOCOL_THIS(prot);
  78     LPWSTR addl_header = NULL, post_cookie = NULL, optional = NULL;
  79     IServiceProvider *service_provider = NULL;
  80     IHttpNegotiate2 *http_negotiate2 = NULL;
  81     LPWSTR host, user, pass, path;
  82     LPOLESTR accept_mimes[257];
  83     URL_COMPONENTSW url_comp;
  84     BYTE security_id[512];
  85     DWORD len = 0;
  86     ULONG num = 0;
  87     BOOL res;
  88     HRESULT hres;
  89
  90     static const WCHAR wszBindVerb[BINDVERB_CUSTOM][5] =
  91         {{'G','E','T',0},
  92          {'P','O','S','T',0},
  93          {'P','U','T',0}};
  94
  95     memset(&url_comp, 0, sizeof(url_comp));
  96     url_comp.dwStructSize = sizeof(url_comp);
  97     url_comp.dwSchemeLength = url_comp.dwHostNameLength = url_comp.dwUrlPathLength =
  98         url_comp.dwUserNameLength = url_comp.dwPasswordLength = 1;
  99     if (!InternetCrackUrlW(url, 0, 0, &url_comp))
 100         return MK_E_SYNTAX;
 101
 102     if(!url_comp.nPort)
 103         url_comp.nPort = This->https ? INTERNET_DEFAULT_HTTPS_PORT : INTERNET_DEFAULT_HTTP_PORT;
 104
 105     host = heap_strndupW(url_comp.lpszHostName, url_comp.dwHostNameLength);
 106     user = heap_strndupW(url_comp.lpszUserName, url_comp.dwUserNameLength);
 107     pass = heap_strndupW(url_comp.lpszPassword, url_comp.dwPasswordLength);
 108     This->base.connection = InternetConnectW(This->base.internet, host, url_comp.nPort, user, pass,
 109             INTERNET_SERVICE_HTTP, This->https ? INTERNET_FLAG_SECURE : 0, (DWORD_PTR)&This->base);
 110     heap_free(pass);
 111     heap_free(user);
 112     heap_free(host);
 113     if(!This->base.connection) {
 114         WARN("InternetConnect failed: %d\n", GetLastError());
 115         return INET_E_CANNOT_CONNECT;
 116     }
 117
 118     num = sizeof(accept_mimes)/sizeof(accept_mimes[0])-1;
 119     hres = IInternetBindInfo_GetBindString(bind_info, BINDSTRING_ACCEPT_MIMES, accept_mimes, num, &num);
 120     if(hres != S_OK) {
 121         WARN("GetBindString BINDSTRING_ACCEPT_MIMES failed: %08x\n", hres);
 122         return INET_E_NO_VALID_MEDIA;
 123     }
 124     accept_mimes[num] = 0;
 125
 126     path = heap_strndupW(url_comp.lpszUrlPath, url_comp.dwUrlPathLength);
 127     if(This->https)
 128         request_flags |= INTERNET_FLAG_SECURE;
 129     This->base.request = HttpOpenRequestW(This->base.connection,
 130             This->base.bind_info.dwBindVerb < BINDVERB_CUSTOM
 131                 ? wszBindVerb[This->base.bind_info.dwBindVerb] : This->base.bind_info.szCustomVerb,
 132             path, NULL, NULL, (LPCWSTR *)accept_mimes, request_flags, (DWORD_PTR)&This->base);
 133     heap_free(path);
 134     while (num<sizeof(accept_mimes)/sizeof(accept_mimes[0]) && accept_mimes[num])
 135         CoTaskMemFree(accept_mimes[num++]);
 136     if (!This->base.request) {
 137         WARN("HttpOpenRequest failed: %d\n", GetLastError());
 138         return INET_E_RESOURCE_NOT_FOUND;
 139     }
 140
 141     hres = IInternetProtocolSink_QueryInterface(This->base.protocol_sink, &IID_IServiceProvider,
 142             (void **)&service_provider);
 143     if (hres != S_OK) {
 144         WARN("IInternetProtocolSink_QueryInterface IID_IServiceProvider failed: %08x\n", hres);
 145         return hres;
 146     }
 147
 148     hres = IServiceProvider_QueryService(service_provider, &IID_IHttpNegotiate,
 149             &IID_IHttpNegotiate, (void **)&This->http_negotiate);
 150     if (hres != S_OK) {
 151         WARN("IServiceProvider_QueryService IID_IHttpNegotiate failed: %08x\n", hres);
 152         return hres;
 153     }
 154
 155     hres = IHttpNegotiate_BeginningTransaction(This->http_negotiate, url, wszHeaders,
 156             0, &addl_header);
 157     if(hres != S_OK) {
 158         WARN("IHttpNegotiate_BeginningTransaction failed: %08x\n", hres);
 159         IServiceProvider_Release(service_provider);
 160         return hres;
 161     }
 162
 163     if(addl_header) {
 164         int len_addl_header = strlenW(addl_header);
 165
 166         This->full_header = heap_alloc(len_addl_header*sizeof(WCHAR)+sizeof(wszHeaders));
 167
 168         lstrcpyW(This->full_header, addl_header);
 169         lstrcpyW(&This->full_header[len_addl_header], wszHeaders);
 170         CoTaskMemFree(addl_header);
 171     }else {
 172         This->full_header = (LPWSTR)wszHeaders;
 173     }
 174
 175     hres = IServiceProvider_QueryService(service_provider, &IID_IHttpNegotiate2,
 176             &IID_IHttpNegotiate2, (void **)&http_negotiate2);
 177     IServiceProvider_Release(service_provider);
 178     if(hres != S_OK) {
 179         WARN("IServiceProvider_QueryService IID_IHttpNegotiate2 failed: %08x\n", hres);
 180         /* No goto done as per native */
 181     }else {
 182         len = sizeof(security_id)/sizeof(security_id[0]);
 183         hres = IHttpNegotiate2_GetRootSecurityId(http_negotiate2, security_id, &len, 0);
 184         IHttpNegotiate2_Release(http_negotiate2);
 185         if (hres != S_OK)
 186             WARN("IHttpNegotiate2_GetRootSecurityId failed: %08x\n", hres);
 187     }
 188
 189     /* FIXME: Handle security_id. Native calls undocumented function IsHostInProxyBypassList. */
 190
 191     if(This->base.bind_info.dwBindVerb == BINDVERB_POST) {
 192         num = 0;
 193         hres = IInternetBindInfo_GetBindString(bind_info, BINDSTRING_POST_COOKIE, &post_cookie, 1, &num);
 194         if(hres == S_OK && num) {
 195             if(!InternetSetOptionW(This->base.request, INTERNET_OPTION_SECONDARY_CACHE_KEY,
 196                                    post_cookie, lstrlenW(post_cookie)))
 197                 WARN("InternetSetOption INTERNET_OPTION_SECONDARY_CACHE_KEY failed: %d\n", GetLastError());
 198             CoTaskMemFree(post_cookie);
 199         }
 200     }
 201
 202     if(This->base.bind_info.dwBindVerb != BINDVERB_GET) {
 203         /* Native does not use GlobalLock/GlobalUnlock, so we won't either */
 204         if (This->base.bind_info.stgmedData.tymed != TYMED_HGLOBAL)
 205             WARN("Expected This->base.bind_info.stgmedData.tymed to be TYMED_HGLOBAL, not %d\n",
 206                  This->base.bind_info.stgmedData.tymed);
 207         else
 208             optional = (LPWSTR)This->base.bind_info.stgmedData.u.hGlobal;
 209     }
 210
 211     res = HttpSendRequestW(This->base.request, This->full_header, lstrlenW(This->full_header),
 212             optional, optional ? This->base.bind_info.cbstgmedData : 0);
 213     if(!res && GetLastError() != ERROR_IO_PENDING) {
 214         WARN("HttpSendRequest failed: %d\n", GetLastError());
 215         return INET_E_DOWNLOAD_FAILURE;
 216     }
 217
 218     return S_OK;
 219 }
 220
 221 static HRESULT HttpProtocol_start_downloading(Protocol *prot)
 222 {
 223     HttpProtocol *This = ASYNCPROTOCOL_THIS(prot);
 224     LPWSTR content_type = 0, content_length = 0;
 225     DWORD len = sizeof(DWORD);
 226     DWORD status_code;
 227     BOOL res;
 228     HRESULT hres;
 229
 230     static const WCHAR wszDefaultContentType[] =
 231         {'t','e','x','t','/','h','t','m','l',0};
 232
 233     if(!This->http_negotiate) {
 234         WARN("Expected IHttpNegotiate pointer to be non-NULL\n");
 235         return S_OK;
 236     }
 237
 238     res = HttpQueryInfoW(This->base.request, HTTP_QUERY_STATUS_CODE | HTTP_QUERY_FLAG_NUMBER,
 239             &status_code, &len, NULL);
 240     if(res) {
 241         LPWSTR response_headers = query_http_info(This, HTTP_QUERY_RAW_HEADERS_CRLF);
 242         if(response_headers) {
 243             hres = IHttpNegotiate_OnResponse(This->http_negotiate, status_code, response_headers,
 244                     NULL, NULL);
 245             heap_free(response_headers);
 246             if (hres != S_OK) {
 247                 WARN("IHttpNegotiate_OnResponse failed: %08x\n", hres);
 248                 return S_OK;
 249             }
 250         }
 251     }else {
 252         WARN("HttpQueryInfo failed: %d\n", GetLastError());
 253     }
 254
 255     if(This->https)
 256         IInternetProtocolSink_ReportProgress(This->base.protocol_sink, BINDSTATUS_ACCEPTRANGES, NULL);
 257
 258     content_type = query_http_info(This, HTTP_QUERY_CONTENT_TYPE);
 259     if(content_type) {
 260         /* remove the charset, if present */
 261         LPWSTR p = strchrW(content_type, ';');
 262         if (p) *p = '\0';
 263
 264         IInternetProtocolSink_ReportProgress(This->base.protocol_sink,
 265                 (This->base.bindf & BINDF_FROMURLMON)
 266                  ? BINDSTATUS_MIMETYPEAVAILABLE : BINDSTATUS_RAWMIMETYPE,
 267                  content_type);
 268         heap_free(content_type);
 269     }else {
 270         WARN("HttpQueryInfo failed: %d\n", GetLastError());
 271         IInternetProtocolSink_ReportProgress(This->base.protocol_sink,
 272                  (This->base.bindf & BINDF_FROMURLMON)
 273                   ? BINDSTATUS_MIMETYPEAVAILABLE : BINDSTATUS_RAWMIMETYPE,
 274                   wszDefaultContentType);
 275     }
 276
 277     content_length = query_http_info(This, HTTP_QUERY_CONTENT_LENGTH);
 278     if(content_length) {
 279         This->base.content_length = atoiW(content_length);
 280         heap_free(content_length);
 281     }
 282
 283     return S_OK;
 284 }
 285
 286 static void HttpProtocol_close_connection(Protocol *prot)
 287 {
 288     HttpProtocol *This = ASYNCPROTOCOL_THIS(prot);
 289
 290     if(This->http_negotiate) {
 291         IHttpNegotiate_Release(This->http_negotiate);
 292         This->http_negotiate = 0;
 293     }
 294
 295     if(This->full_header) {
 296         if(This->full_header != wszHeaders)
 297             heap_free(This->full_header);
 298         This->full_header = 0;
 299     }
 300 }
 301
 302 #undef ASYNCPROTOCOL_THIS
 303
 304 static const ProtocolVtbl AsyncProtocolVtbl = {
 305     HttpProtocol_open_request,
 306     HttpProtocol_start_downloading,
 307     HttpProtocol_close_connection
 308 };
 309
 310 #define PROTOCOL_THIS(iface) DEFINE_THIS(HttpProtocol, InternetProtocol, iface)
 311
 312 static HRESULT WINAPI HttpProtocol_QueryInterface(IInternetProtocol *iface, REFIID riid, void **ppv)
 313 {
 314     HttpProtocol *This = PROTOCOL_THIS(iface);
 315
 316     *ppv = NULL;
 317     if(IsEqualGUID(&IID_IUnknown, riid)) {
 318         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 319         *ppv = PROTOCOL(This);
 320     }else if(IsEqualGUID(&IID_IInternetProtocolRoot, riid)) {
 321         TRACE("(%p)->(IID_IInternetProtocolRoot %p)\n", This, ppv);
 322         *ppv = PROTOCOL(This);
 323     }else if(IsEqualGUID(&IID_IInternetProtocol, riid)) {
 324         TRACE("(%p)->(IID_IInternetProtocol %p)\n", This, ppv);
 325         *ppv = PROTOCOL(This);
 326     }else if(IsEqualGUID(&IID_IInternetPriority, riid)) {
 327         TRACE("(%p)->(IID_IInternetPriority %p)\n", This, ppv);
 328         *ppv = PRIORITY(This);
 329     }
 330
 331     if(*ppv) {
 332         IInternetProtocol_AddRef(iface);
 333         return S_OK;
 334     }
 335
 336     WARN("not supported interface %s\n", debugstr_guid(riid));
 337     return E_NOINTERFACE;
 338 }
 339
 340 static ULONG WINAPI HttpProtocol_AddRef(IInternetProtocol *iface)
 341 {
 342     HttpProtocol *This = PROTOCOL_THIS(iface);
 343     LONG ref = InterlockedIncrement(&This->ref);
 344     TRACE("(%p) ref=%d\n", This, ref);
 345     return ref;
 346 }
 347
 348 static ULONG WINAPI HttpProtocol_Release(IInternetProtocol *iface)
 349 {
 350     HttpProtocol *This = PROTOCOL_THIS(iface);
 351     LONG ref = InterlockedDecrement(&This->ref);
 352
 353     TRACE("(%p) ref=%d\n", This, ref);
 354
 355     if(!ref) {
 356         protocol_close_connection(&This->base);
 357         heap_free(This);
 358
 359         URLMON_UnlockModule();
 360     }
 361
 362     return ref;
 363 }
 364
 365 static HRESULT WINAPI HttpProtocol_Start(IInternetProtocol *iface, LPCWSTR szUrl,
 366         IInternetProtocolSink *pOIProtSink, IInternetBindInfo *pOIBindInfo,
 367         DWORD grfPI, DWORD dwReserved)
 368 {
 369     HttpProtocol *This = PROTOCOL_THIS(iface);
 370
 371     static const WCHAR httpW[] = {'h','t','t','p',':'};
 372     static const WCHAR httpsW[] = {'h','t','t','p','s',':'};
 373
 374     TRACE("(%p)->(%s %p %p %08x %d)\n", This, debugstr_w(szUrl), pOIProtSink,
 375             pOIBindInfo, grfPI, dwReserved);
 376
 377     if(This->https
 378         ? strncmpW(szUrl, httpsW, sizeof(httpsW)/sizeof(WCHAR))
 379         : strncmpW(szUrl, httpW, sizeof(httpW)/sizeof(WCHAR)))
 380         return MK_E_SYNTAX;
 381
 382     return protocol_start(&This->base, PROTOCOL(This), szUrl, pOIProtSink, pOIBindInfo);
 383 }
 384
 385 static HRESULT WINAPI HttpProtocol_Continue(IInternetProtocol *iface, PROTOCOLDATA *pProtocolData)
 386 {
 387     HttpProtocol *This = PROTOCOL_THIS(iface);
 388
 389     TRACE("(%p)->(%p)\n", This, pProtocolData);
 390
 391     return protocol_continue(&This->base, pProtocolData);
 392 }
 393
 394 static HRESULT WINAPI HttpProtocol_Abort(IInternetProtocol *iface, HRESULT hrReason,
 395         DWORD dwOptions)
 396 {
 397     HttpProtocol *This = PROTOCOL_THIS(iface);
 398     FIXME("(%p)->(%08x %08x)\n", This, hrReason, dwOptions);
 399     return E_NOTIMPL;
 400 }
 401
 402 static HRESULT WINAPI HttpProtocol_Terminate(IInternetProtocol *iface, DWORD dwOptions)
 403 {
 404     HttpProtocol *This = PROTOCOL_THIS(iface);
 405
 406     TRACE("(%p)->(%08x)\n", This, dwOptions);
 407
 408     protocol_close_connection(&This->base);
 409     return S_OK;
 410 }
 411
 412 static HRESULT WINAPI HttpProtocol_Suspend(IInternetProtocol *iface)
 413 {
 414     HttpProtocol *This = PROTOCOL_THIS(iface);
 415     FIXME("(%p)\n", This);
 416     return E_NOTIMPL;
 417 }
 418
 419 static HRESULT WINAPI HttpProtocol_Resume(IInternetProtocol *iface)
 420 {
 421     HttpProtocol *This = PROTOCOL_THIS(iface);
 422     FIXME("(%p)\n", This);
 423     return E_NOTIMPL;
 424 }
 425
 426 static HRESULT WINAPI HttpProtocol_Read(IInternetProtocol *iface, void *pv,
 427         ULONG cb, ULONG *pcbRead)
 428 {
 429     HttpProtocol *This = PROTOCOL_THIS(iface);
 430
 431     TRACE("(%p)->(%p %u %p)\n", This, pv, cb, pcbRead);
 432
 433     return protocol_read(&This->base, pv, cb, pcbRead);
 434 }
 435
 436 static HRESULT WINAPI HttpProtocol_Seek(IInternetProtocol *iface, LARGE_INTEGER dlibMove,
 437         DWORD dwOrigin, ULARGE_INTEGER *plibNewPosition)
 438 {
 439     HttpProtocol *This = PROTOCOL_THIS(iface);
 440     FIXME("(%p)->(%d %d %p)\n", This, dlibMove.u.LowPart, dwOrigin, plibNewPosition);
 441     return E_NOTIMPL;
 442 }
 443
 444 static HRESULT WINAPI HttpProtocol_LockRequest(IInternetProtocol *iface, DWORD dwOptions)
 445 {
 446     HttpProtocol *This = PROTOCOL_THIS(iface);
 447
 448     TRACE("(%p)->(%08x)\n", This, dwOptions);
 449
 450     return protocol_lock_request(&This->base);
 451 }
 452
 453 static HRESULT WINAPI HttpProtocol_UnlockRequest(IInternetProtocol *iface)
 454 {
 455     HttpProtocol *This = PROTOCOL_THIS(iface);
 456
 457     TRACE("(%p)\n", This);
 458
 459     return protocol_unlock_request(&This->base);
 460 }
 461
 462 #undef PROTOCOL_THIS
 463
 464 static const IInternetProtocolVtbl HttpProtocolVtbl = {
 465     HttpProtocol_QueryInterface,
 466     HttpProtocol_AddRef,
 467     HttpProtocol_Release,
 468     HttpProtocol_Start,
 469     HttpProtocol_Continue,
 470     HttpProtocol_Abort,
 471     HttpProtocol_Terminate,
 472     HttpProtocol_Suspend,
 473     HttpProtocol_Resume,
 474     HttpProtocol_Read,
 475     HttpProtocol_Seek,
 476     HttpProtocol_LockRequest,
 477     HttpProtocol_UnlockRequest
 478 };
 479
 480 #define PRIORITY_THIS(iface) DEFINE_THIS(HttpProtocol, InternetPriority, iface)
 481
 482 static HRESULT WINAPI HttpPriority_QueryInterface(IInternetPriority *iface, REFIID riid, void **ppv)
 483 {
 484     HttpProtocol *This = PRIORITY_THIS(iface);
 485     return IInternetProtocol_QueryInterface(PROTOCOL(This), riid, ppv);
 486 }
 487
 488 static ULONG WINAPI HttpPriority_AddRef(IInternetPriority *iface)
 489 {
 490     HttpProtocol *This = PRIORITY_THIS(iface);
 491     return IInternetProtocol_AddRef(PROTOCOL(This));
 492 }
 493
 494 static ULONG WINAPI HttpPriority_Release(IInternetPriority *iface)
 495 {
 496     HttpProtocol *This = PRIORITY_THIS(iface);
 497     return IInternetProtocol_Release(PROTOCOL(This));
 498 }
 499
 500 static HRESULT WINAPI HttpPriority_SetPriority(IInternetPriority *iface, LONG nPriority)
 501 {
 502     HttpProtocol *This = PRIORITY_THIS(iface);
 503
 504     TRACE("(%p)->(%d)\n", This, nPriority);
 505
 506     This->base.priority = nPriority;
 507     return S_OK;
 508 }
 509
 510 static HRESULT WINAPI HttpPriority_GetPriority(IInternetPriority *iface, LONG *pnPriority)
 511 {
 512     HttpProtocol *This = PRIORITY_THIS(iface);
 513
 514     TRACE("(%p)->(%p)\n", This, pnPriority);
 515
 516     *pnPriority = This->base.priority;
 517     return S_OK;
 518 }
 519
 520 #undef PRIORITY_THIS
 521
 522 static const IInternetPriorityVtbl HttpPriorityVtbl = {
 523     HttpPriority_QueryInterface,
 524     HttpPriority_AddRef,
 525     HttpPriority_Release,
 526     HttpPriority_SetPriority,
 527     HttpPriority_GetPriority
 528 };
 529
 530 static HRESULT create_http_protocol(BOOL https, void **ppobj)
 531 {
 532     HttpProtocol *ret;
 533
 534     ret = heap_alloc_zero(sizeof(HttpProtocol));
 535     if(!ret)
 536         return E_OUTOFMEMORY;
 537
 538     ret->base.vtbl = &AsyncProtocolVtbl;
 539     ret->lpInternetProtocolVtbl = &HttpProtocolVtbl;
 540     ret->lpInternetPriorityVtbl = &HttpPriorityVtbl;
 541
 542     ret->https = https;
 543     ret->ref = 1;
 544
 545     *ppobj = PROTOCOL(ret);
 546
 547     URLMON_LockModule();
 548     return S_OK;
 549 }
 550
 551 HRESULT HttpProtocol_Construct(IUnknown *pUnkOuter, LPVOID *ppobj)
 552 {
 553     TRACE("(%p %p)\n", pUnkOuter, ppobj);
 554
 555     return create_http_protocol(FALSE, ppobj);
 556 }
 557
 558 HRESULT HttpSProtocol_Construct(IUnknown *pUnkOuter, LPVOID *ppobj)
 559 {
 560     TRACE("(%p %p)\n", pUnkOuter, ppobj);
 561
 562     return create_http_protocol(TRUE, ppobj);
 563 }