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 #include "urlmon_main.h"
  21 #include "wininet.h"
  22
  23 #define NO_SHLWAPI_REG
  24 #include "shlwapi.h"
  25
  26 #include "wine/debug.h"
  27
  28 WINE_DEFAULT_DEBUG_CHANNEL(urlmon);
  29
  30 typedef struct {
  31     Protocol base;
  32
  33     IInternetProtocolEx IInternetProtocolEx_iface;
  34     IInternetPriority   IInternetPriority_iface;
  35     IWinInetHttpInfo    IWinInetHttpInfo_iface;
  36
  37     BOOL https;
  38     IHttpNegotiate *http_negotiate;
  39     WCHAR *full_header;
  40
  41     LONG ref;
  42 } HttpProtocol;
  43
  44 static inline HttpProtocol *impl_from_IInternetProtocolEx(IInternetProtocolEx *iface)
  45 {
  46     return CONTAINING_RECORD(iface, HttpProtocol, IInternetProtocolEx_iface);
  47 }
  48
  49 static inline HttpProtocol *impl_from_IInternetPriority(IInternetPriority *iface)
  50 {
  51     return CONTAINING_RECORD(iface, HttpProtocol, IInternetPriority_iface);
  52 }
  53
  54 static inline HttpProtocol *impl_from_IWinInetHttpInfo(IWinInetHttpInfo *iface)
  55 {
  56     return CONTAINING_RECORD(iface, HttpProtocol, IWinInetHttpInfo_iface);
  57 }
  58
  59 static const WCHAR default_headersW[] = {
  60     'A','c','c','e','p','t','-','E','n','c','o','d','i','n','g',':',' ','g','z','i','p',',',' ','d','e','f','l','a','t','e',0};
  61
  62 static LPWSTR query_http_info(HttpProtocol *This, DWORD option)
  63 {
  64     LPWSTR ret = NULL;
  65     DWORD len = 0;
  66     BOOL res;
  67
  68     res = HttpQueryInfoW(This->base.request, option, NULL, &len, NULL);
  69     if (!res && GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
  70         ret = heap_alloc(len);
  71         res = HttpQueryInfoW(This->base.request, option, ret, &len, NULL);
  72     }
  73     if(!res) {
  74         TRACE("HttpQueryInfoW(%d) failed: %08x\n", option, GetLastError());
  75         heap_free(ret);
  76         return NULL;
  77     }
  78
  79     return ret;
  80 }
  81
  82 static inline BOOL set_security_flag(HttpProtocol *This, DWORD new_flag)
  83 {
  84     DWORD flags, size = sizeof(flags);
  85     BOOL res;
  86
  87     res = InternetQueryOptionW(This->base.request, INTERNET_OPTION_SECURITY_FLAGS, &flags, &size);
  88     if(res) {
  89         flags |= new_flag;
  90         res = InternetSetOptionW(This->base.request, INTERNET_OPTION_SECURITY_FLAGS, &flags, size);
  91     }
  92     if(!res)
  93         ERR("Failed to set security flag(s): %x\n", new_flag);
  94
  95     return res;
  96 }
  97
  98 static inline HRESULT internet_error_to_hres(DWORD error)
  99 {
 100     switch(error)
 101     {
 102     case ERROR_INTERNET_SEC_CERT_DATE_INVALID:
 103     case ERROR_INTERNET_SEC_CERT_CN_INVALID:
 104     case ERROR_INTERNET_INVALID_CA:
 105     case ERROR_INTERNET_CLIENT_AUTH_CERT_NEEDED:
 106     case ERROR_INTERNET_SEC_INVALID_CERT:
 107     case ERROR_INTERNET_SEC_CERT_ERRORS:
 108     case ERROR_INTERNET_SEC_CERT_REV_FAILED:
 109     case ERROR_INTERNET_SEC_CERT_NO_REV:
 110     case ERROR_INTERNET_SEC_CERT_REVOKED:
 111         return INET_E_INVALID_CERTIFICATE;
 112     case ERROR_INTERNET_HTTP_TO_HTTPS_ON_REDIR:
 113     case ERROR_INTERNET_HTTPS_TO_HTTP_ON_REDIR:
 114     case ERROR_HTTP_REDIRECT_NEEDS_CONFIRMATION:
 115         return INET_E_REDIRECT_FAILED;
 116     default:
 117         return INET_E_DOWNLOAD_FAILURE;
 118     }
 119 }
 120
 121 static HRESULT handle_http_error(HttpProtocol *This, DWORD error)
 122 {
 123     IServiceProvider *serv_prov;
 124     IWindowForBindingUI *wfb_ui;
 125     IHttpSecurity *http_security;
 126     BOOL security_problem;
 127     DWORD dlg_flags;
 128     HWND hwnd;
 129     DWORD res;
 130     HRESULT hres;
 131
 132     switch(error) {
 133     case ERROR_INTERNET_SEC_CERT_DATE_INVALID:
 134     case ERROR_INTERNET_SEC_CERT_CN_INVALID:
 135     case ERROR_INTERNET_HTTP_TO_HTTPS_ON_REDIR:
 136     case ERROR_INTERNET_HTTPS_TO_HTTP_ON_REDIR:
 137     case ERROR_INTERNET_INVALID_CA:
 138     case ERROR_INTERNET_CLIENT_AUTH_CERT_NEEDED:
 139     case ERROR_INTERNET_SEC_INVALID_CERT:
 140     case ERROR_INTERNET_SEC_CERT_ERRORS:
 141     case ERROR_INTERNET_SEC_CERT_REV_FAILED:
 142     case ERROR_INTERNET_SEC_CERT_NO_REV:
 143     case ERROR_INTERNET_SEC_CERT_REVOKED:
 144     case ERROR_HTTP_REDIRECT_NEEDS_CONFIRMATION:
 145         security_problem = TRUE;
 146         break;
 147     default:
 148         security_problem = FALSE;
 149     }
 150
 151     hres = IInternetProtocolSink_QueryInterface(This->base.protocol_sink, &IID_IServiceProvider,
 152                                                 (void**)&serv_prov);
 153     if(FAILED(hres)) {
 154         ERR("Failed to get IServiceProvider.\n");
 155         return E_ABORT;
 156     }
 157
 158     if(security_problem) {
 159         hres = IServiceProvider_QueryService(serv_prov, &IID_IHttpSecurity, &IID_IHttpSecurity,
 160                                              (void**)&http_security);
 161         if(SUCCEEDED(hres)) {
 162             hres = IHttpSecurity_OnSecurityProblem(http_security, error);
 163             IHttpSecurity_Release(http_security);
 164
 165             if(hres != S_FALSE)
 166             {
 167                 BOOL res = FALSE;
 168
 169                 IServiceProvider_Release(serv_prov);
 170
 171                 if(hres == S_OK) {
 172                     if(error == ERROR_INTERNET_SEC_CERT_DATE_INVALID)
 173                         res = set_security_flag(This, SECURITY_FLAG_IGNORE_CERT_DATE_INVALID);
 174                     else if(error == ERROR_INTERNET_SEC_CERT_CN_INVALID)
 175                         res = set_security_flag(This, SECURITY_FLAG_IGNORE_CERT_CN_INVALID);
 176                     else if(error == ERROR_INTERNET_INVALID_CA)
 177                         res = set_security_flag(This, SECURITY_FLAG_IGNORE_UNKNOWN_CA);
 178
 179                     if(res)
 180                         return RPC_E_RETRY;
 181
 182                     FIXME("Don't know how to ignore error %d\n", error);
 183                     return E_ABORT;
 184                 }
 185
 186                 if(hres == E_ABORT)
 187                     return E_ABORT;
 188                 if(hres == RPC_E_RETRY)
 189                     return RPC_E_RETRY;
 190
 191                 return internet_error_to_hres(error);
 192             }
 193         }
 194     }
 195
 196     hres = IServiceProvider_QueryService(serv_prov, &IID_IWindowForBindingUI, &IID_IWindowForBindingUI,
 197                                          (void**)&wfb_ui);
 198     if(SUCCEEDED(hres)) {
 199         const IID *iid_reason;
 200
 201         if(security_problem)
 202             iid_reason = &IID_IHttpSecurity;
 203         else if(error == ERROR_INTERNET_INCORRECT_PASSWORD)
 204             iid_reason = &IID_IAuthenticate;
 205         else
 206             iid_reason = &IID_IWindowForBindingUI;
 207
 208         hres = IWindowForBindingUI_GetWindow(wfb_ui, iid_reason, &hwnd);
 209         IWindowForBindingUI_Release(wfb_ui);
 210         if(FAILED(hres))
 211             hwnd = NULL;
 212     }
 213
 214     IServiceProvider_Release(serv_prov);
 215
 216     dlg_flags = FLAGS_ERROR_UI_FLAGS_CHANGE_OPTIONS | FLAGS_ERROR_UI_FLAGS_GENERATE_DATA;
 217     if(This->base.bindf & BINDF_NO_UI)
 218         dlg_flags |= FLAGS_ERROR_UI_FLAGS_NO_UI;
 219
 220     res = InternetErrorDlg(hwnd, This->base.request, error, dlg_flags, NULL);
 221     if(res == ERROR_INTERNET_FORCE_RETRY || res == ERROR_SUCCESS)
 222         return RPC_E_RETRY;
 223
 224     return internet_error_to_hres(error);
 225 }
 226
 227 static ULONG send_http_request(HttpProtocol *This)
 228 {
 229     INTERNET_BUFFERSW send_buffer = {sizeof(INTERNET_BUFFERSW)};
 230     BOOL res;
 231
 232     send_buffer.lpcszHeader = This->full_header;
 233     send_buffer.dwHeadersLength = send_buffer.dwHeadersTotal = strlenW(This->full_header);
 234
 235     if(This->base.bind_info.dwBindVerb != BINDVERB_GET) {
 236         switch(This->base.bind_info.stgmedData.tymed) {
 237         case TYMED_HGLOBAL:
 238             /* Native does not use GlobalLock/GlobalUnlock, so we won't either */
 239             send_buffer.lpvBuffer = This->base.bind_info.stgmedData.u.hGlobal;
 240             send_buffer.dwBufferLength = send_buffer.dwBufferTotal = This->base.bind_info.cbstgmedData;
 241             break;
 242         case TYMED_ISTREAM: {
 243             LARGE_INTEGER offset;
 244
 245             send_buffer.dwBufferTotal = This->base.bind_info.cbstgmedData;
 246             if(!This->base.post_stream) {
 247                 This->base.post_stream = This->base.bind_info.stgmedData.u.pstm;
 248                 IStream_AddRef(This->base.post_stream);
 249             }
 250
 251             offset.QuadPart = 0;
 252             IStream_Seek(This->base.post_stream, offset, STREAM_SEEK_SET, NULL);
 253             break;
 254         }
 255         default:
 256             FIXME("Unsupported This->base.bind_info.stgmedData.tymed %d\n", This->base.bind_info.stgmedData.tymed);
 257         }
 258     }
 259
 260     if(This->base.post_stream)
 261         res = HttpSendRequestExW(This->base.request, &send_buffer, NULL, 0, 0);
 262     else
 263         res = HttpSendRequestW(This->base.request, send_buffer.lpcszHeader, send_buffer.dwHeadersLength,
 264                 send_buffer.lpvBuffer, send_buffer.dwBufferLength);
 265
 266     return res ? 0 : GetLastError();
 267 }
 268
 269 static inline HttpProtocol *impl_from_Protocol(Protocol *prot)
 270 {
 271     return CONTAINING_RECORD(prot, HttpProtocol, base);
 272 }
 273
 274 static HRESULT HttpProtocol_open_request(Protocol *prot, IUri *uri, DWORD request_flags,
 275         HINTERNET internet_session, IInternetBindInfo *bind_info)
 276 {
 277     HttpProtocol *This = impl_from_Protocol(prot);
 278     LPWSTR addl_header = NULL, post_cookie = NULL;
 279     IServiceProvider *service_provider = NULL;
 280     IHttpNegotiate2 *http_negotiate2 = NULL;
 281     BSTR url, host, user, pass, path;
 282     LPOLESTR accept_mimes[257];
 283     const WCHAR **accept_types;
 284     BYTE security_id[512];
 285     DWORD len, port, flags;
 286     ULONG num, error;
 287     BOOL res, b;
 288     HRESULT hres;
 289
 290     static const WCHAR wszBindVerb[BINDVERB_CUSTOM][5] =
 291         {{'G','E','T',0},
 292          {'P','O','S','T',0},
 293          {'P','U','T',0}};
 294
 295     hres = IUri_GetPort(uri, &port);
 296     if(FAILED(hres))
 297         return hres;
 298
 299     hres = IUri_GetHost(uri, &host);
 300     if(FAILED(hres))
 301         return hres;
 302
 303     hres = IUri_GetUserName(uri, &user);
 304     if(SUCCEEDED(hres)) {
 305         hres = IUri_GetPassword(uri, &pass);
 306
 307         if(SUCCEEDED(hres)) {
 308             This->base.connection = InternetConnectW(internet_session, host, port, user, pass,
 309                     INTERNET_SERVICE_HTTP, This->https ? INTERNET_FLAG_SECURE : 0, (DWORD_PTR)&This->base);
 310             SysFreeString(pass);
 311         }
 312         SysFreeString(user);
 313     }
 314     SysFreeString(host);
 315     if(FAILED(hres))
 316         return hres;
 317     if(!This->base.connection) {
 318         WARN("InternetConnect failed: %d\n", GetLastError());
 319         return INET_E_CANNOT_CONNECT;
 320     }
 321
 322     num = sizeof(accept_mimes)/sizeof(accept_mimes[0])-1;
 323     hres = IInternetBindInfo_GetBindString(bind_info, BINDSTRING_ACCEPT_MIMES, accept_mimes, num, &num);
 324     if(hres == INET_E_USE_DEFAULT_SETTING) {
 325         static const WCHAR default_accept_mimeW[] = {'*','/','*',0};
 326         static const WCHAR *default_accept_mimes[] = {default_accept_mimeW, NULL};
 327
 328         accept_types = default_accept_mimes;
 329         num = 0;
 330     }else if(hres == S_OK) {
 331         accept_types = (const WCHAR**)accept_mimes;
 332     }else {
 333         WARN("GetBindString BINDSTRING_ACCEPT_MIMES failed: %08x\n", hres);
 334         return INET_E_NO_VALID_MEDIA;
 335     }
 336     accept_mimes[num] = 0;
 337
 338     if(This->https)
 339         request_flags |= INTERNET_FLAG_SECURE;
 340
 341     hres = IUri_GetPathAndQuery(uri, &path);
 342     if(SUCCEEDED(hres)) {
 343         This->base.request = HttpOpenRequestW(This->base.connection,
 344                 This->base.bind_info.dwBindVerb < BINDVERB_CUSTOM
 345                     ? wszBindVerb[This->base.bind_info.dwBindVerb] : This->base.bind_info.szCustomVerb,
 346                 path, NULL, NULL, accept_types, request_flags, (DWORD_PTR)&This->base);
 347         SysFreeString(path);
 348     }
 349     while(num--)
 350         CoTaskMemFree(accept_mimes[num]);
 351     if(FAILED(hres))
 352         return hres;
 353     if (!This->base.request) {
 354         WARN("HttpOpenRequest failed: %d\n", GetLastError());
 355         return INET_E_RESOURCE_NOT_FOUND;
 356     }
 357
 358     hres = IInternetProtocolSink_QueryInterface(This->base.protocol_sink, &IID_IServiceProvider,
 359             (void **)&service_provider);
 360     if (hres != S_OK) {
 361         WARN("IInternetProtocolSink_QueryInterface IID_IServiceProvider failed: %08x\n", hres);
 362         return hres;
 363     }
 364
 365     hres = IServiceProvider_QueryService(service_provider, &IID_IHttpNegotiate,
 366             &IID_IHttpNegotiate, (void **)&This->http_negotiate);
 367     if (hres != S_OK) {
 368         WARN("IServiceProvider_QueryService IID_IHttpNegotiate failed: %08x\n", hres);
 369         IServiceProvider_Release(service_provider);
 370         return hres;
 371     }
 372
 373     hres = IUri_GetAbsoluteUri(uri, &url);
 374     if(FAILED(hres)) {
 375         IServiceProvider_Release(service_provider);
 376         return hres;
 377     }
 378
 379     hres = IHttpNegotiate_BeginningTransaction(This->http_negotiate, url, default_headersW,
 380             0, &addl_header);
 381     SysFreeString(url);
 382     if(hres != S_OK) {
 383         WARN("IHttpNegotiate_BeginningTransaction failed: %08x\n", hres);
 384         IServiceProvider_Release(service_provider);
 385         return hres;
 386     }
 387
 388     len = addl_header ? strlenW(addl_header) : 0;
 389
 390     This->full_header = heap_alloc(len*sizeof(WCHAR)+sizeof(default_headersW));
 391     if(!This->full_header) {
 392         IServiceProvider_Release(service_provider);
 393         return E_OUTOFMEMORY;
 394     }
 395
 396     if(len)
 397         memcpy(This->full_header, addl_header, len*sizeof(WCHAR));
 398     CoTaskMemFree(addl_header);
 399     memcpy(This->full_header+len, default_headersW, sizeof(default_headersW));
 400
 401     hres = IServiceProvider_QueryService(service_provider, &IID_IHttpNegotiate2,
 402             &IID_IHttpNegotiate2, (void **)&http_negotiate2);
 403     IServiceProvider_Release(service_provider);
 404     if(hres != S_OK) {
 405         WARN("IServiceProvider_QueryService IID_IHttpNegotiate2 failed: %08x\n", hres);
 406         /* No goto done as per native */
 407     }else {
 408         len = sizeof(security_id)/sizeof(security_id[0]);
 409         hres = IHttpNegotiate2_GetRootSecurityId(http_negotiate2, security_id, &len, 0);
 410         IHttpNegotiate2_Release(http_negotiate2);
 411         if (hres != S_OK)
 412             WARN("IHttpNegotiate2_GetRootSecurityId failed: %08x\n", hres);
 413     }
 414
 415     /* FIXME: Handle security_id. Native calls undocumented function IsHostInProxyBypassList. */
 416
 417     if(This->base.bind_info.dwBindVerb == BINDVERB_POST) {
 418         num = 0;
 419         hres = IInternetBindInfo_GetBindString(bind_info, BINDSTRING_POST_COOKIE, &post_cookie, 1, &num);
 420         if(hres == S_OK && num) {
 421             if(!InternetSetOptionW(This->base.request, INTERNET_OPTION_SECONDARY_CACHE_KEY,
 422                                    post_cookie, lstrlenW(post_cookie)))
 423                 WARN("InternetSetOption INTERNET_OPTION_SECONDARY_CACHE_KEY failed: %d\n", GetLastError());
 424             CoTaskMemFree(post_cookie);
 425         }
 426     }
 427
 428     flags = INTERNET_ERROR_MASK_COMBINED_SEC_CERT;
 429     res = InternetSetOptionW(This->base.request, INTERNET_OPTION_ERROR_MASK, &flags, sizeof(flags));
 430     if(!res)
 431         WARN("InternetSetOption(INTERNET_OPTION_ERROR_MASK) failed: %u\n", GetLastError());
 432
 433     b = TRUE;
 434     res = InternetSetOptionW(This->base.request, INTERNET_OPTION_HTTP_DECODING, &b, sizeof(b));
 435     if(!res)
 436         WARN("InternetSetOption(INTERNET_OPTION_HTTP_DECODING) failed: %u\n", GetLastError());
 437
 438     do {
 439         error = send_http_request(This);
 440
 441         if(error == ERROR_IO_PENDING || error == ERROR_SUCCESS)
 442             return S_OK;
 443
 444         hres = handle_http_error(This, error);
 445
 446     } while(hres == RPC_E_RETRY);
 447
 448     WARN("HttpSendRequest failed: %d\n", error);
 449     return hres;
 450 }
 451
 452 static HRESULT HttpProtocol_end_request(Protocol *protocol)
 453 {
 454     BOOL res;
 455
 456     res = HttpEndRequestW(protocol->request, NULL, 0, 0);
 457     if(!res && GetLastError() != ERROR_IO_PENDING) {
 458         FIXME("HttpEndRequest failed: %u\n", GetLastError());
 459         return E_FAIL;
 460     }
 461
 462     return S_OK;
 463 }
 464
 465 static HRESULT HttpProtocol_start_downloading(Protocol *prot)
 466 {
 467     HttpProtocol *This = impl_from_Protocol(prot);
 468     LPWSTR content_type, content_length, ranges;
 469     DWORD len = sizeof(DWORD);
 470     DWORD status_code;
 471     BOOL res;
 472     HRESULT hres;
 473
 474     static const WCHAR wszDefaultContentType[] =
 475         {'t','e','x','t','/','h','t','m','l',0};
 476
 477     if(!This->http_negotiate) {
 478         WARN("Expected IHttpNegotiate pointer to be non-NULL\n");
 479         return S_OK;
 480     }
 481
 482     res = HttpQueryInfoW(This->base.request, HTTP_QUERY_STATUS_CODE | HTTP_QUERY_FLAG_NUMBER,
 483             &status_code, &len, NULL);
 484     if(res) {
 485         LPWSTR response_headers = query_http_info(This, HTTP_QUERY_RAW_HEADERS_CRLF);
 486         if(response_headers) {
 487             hres = IHttpNegotiate_OnResponse(This->http_negotiate, status_code, response_headers,
 488                     NULL, NULL);
 489             heap_free(response_headers);
 490             if (hres != S_OK) {
 491                 WARN("IHttpNegotiate_OnResponse failed: %08x\n", hres);
 492                 return S_OK;
 493             }
 494         }
 495     }else {
 496         WARN("HttpQueryInfo failed: %d\n", GetLastError());
 497     }
 498
 499     ranges = query_http_info(This, HTTP_QUERY_ACCEPT_RANGES);
 500     if(ranges) {
 501         IInternetProtocolSink_ReportProgress(This->base.protocol_sink, BINDSTATUS_ACCEPTRANGES, NULL);
 502         heap_free(ranges);
 503     }
 504
 505     content_type = query_http_info(This, HTTP_QUERY_CONTENT_TYPE);
 506     if(content_type) {
 507         /* remove the charset, if present */
 508         LPWSTR p = strchrW(content_type, ';');
 509         if (p) *p = '\0';
 510
 511         IInternetProtocolSink_ReportProgress(This->base.protocol_sink,
 512                 (This->base.bindf & BINDF_FROMURLMON)
 513                  ? BINDSTATUS_MIMETYPEAVAILABLE : BINDSTATUS_RAWMIMETYPE,
 514                  content_type);
 515         heap_free(content_type);
 516     }else {
 517         WARN("HttpQueryInfo failed: %d\n", GetLastError());
 518         IInternetProtocolSink_ReportProgress(This->base.protocol_sink,
 519                  (This->base.bindf & BINDF_FROMURLMON)
 520                   ? BINDSTATUS_MIMETYPEAVAILABLE : BINDSTATUS_RAWMIMETYPE,
 521                   wszDefaultContentType);
 522     }
 523
 524     content_length = query_http_info(This, HTTP_QUERY_CONTENT_LENGTH);
 525     if(content_length) {
 526         This->base.content_length = atoiW(content_length);
 527         heap_free(content_length);
 528     }
 529
 530     return S_OK;
 531 }
 532
 533 static void HttpProtocol_close_connection(Protocol *prot)
 534 {
 535     HttpProtocol *This = impl_from_Protocol(prot);
 536
 537     if(This->http_negotiate) {
 538         IHttpNegotiate_Release(This->http_negotiate);
 539         This->http_negotiate = NULL;
 540     }
 541
 542     heap_free(This->full_header);
 543     This->full_header = NULL;
 544 }
 545
 546 static void HttpProtocol_on_error(Protocol *prot, DWORD error)
 547 {
 548     HttpProtocol *This = impl_from_Protocol(prot);
 549     HRESULT hres;
 550
 551     TRACE("(%p) %d\n", prot, error);
 552
 553     if(prot->flags & FLAG_FIRST_CONTINUE_COMPLETE) {
 554         FIXME("Not handling error %d\n", error);
 555         return;
 556     }
 557
 558     while((hres = handle_http_error(This, error)) == RPC_E_RETRY) {
 559         error = send_http_request(This);
 560
 561         if(error == ERROR_IO_PENDING || error == ERROR_SUCCESS)
 562             return;
 563     }
 564
 565     protocol_abort(prot, hres);
 566     protocol_close_connection(prot);
 567     return;
 568 }
 569
 570 static const ProtocolVtbl AsyncProtocolVtbl = {
 571     HttpProtocol_open_request,
 572     HttpProtocol_end_request,
 573     HttpProtocol_start_downloading,
 574     HttpProtocol_close_connection,
 575     HttpProtocol_on_error
 576 };
 577
 578 static HRESULT WINAPI HttpProtocol_QueryInterface(IInternetProtocolEx *iface, REFIID riid, void **ppv)
 579 {
 580     HttpProtocol *This = impl_from_IInternetProtocolEx(iface);
 581
 582     *ppv = NULL;
 583     if(IsEqualGUID(&IID_IUnknown, riid)) {
 584         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 585         *ppv = &This->IInternetProtocolEx_iface;
 586     }else if(IsEqualGUID(&IID_IInternetProtocolRoot, riid)) {
 587         TRACE("(%p)->(IID_IInternetProtocolRoot %p)\n", This, ppv);
 588         *ppv = &This->IInternetProtocolEx_iface;
 589     }else if(IsEqualGUID(&IID_IInternetProtocol, riid)) {
 590         TRACE("(%p)->(IID_IInternetProtocol %p)\n", This, ppv);
 591         *ppv = &This->IInternetProtocolEx_iface;
 592     }else if(IsEqualGUID(&IID_IInternetProtocolEx, riid)) {
 593         TRACE("(%p)->(IID_IInternetProtocolEx %p)\n", This, ppv);
 594         *ppv = &This->IInternetProtocolEx_iface;
 595     }else if(IsEqualGUID(&IID_IInternetPriority, riid)) {
 596         TRACE("(%p)->(IID_IInternetPriority %p)\n", This, ppv);
 597         *ppv = &This->IInternetPriority_iface;
 598     }else if(IsEqualGUID(&IID_IWinInetInfo, riid)) {
 599         TRACE("(%p)->(IID_IWinInetInfo %p)\n", This, ppv);
 600         *ppv = &This->IWinInetHttpInfo_iface;
 601     }else if(IsEqualGUID(&IID_IWinInetHttpInfo, riid)) {
 602         TRACE("(%p)->(IID_IWinInetHttpInfo %p)\n", This, ppv);
 603         *ppv = &This->IWinInetHttpInfo_iface;
 604     }
 605
 606     if(*ppv) {
 607         IInternetProtocol_AddRef(iface);
 608         return S_OK;
 609     }
 610
 611     WARN("not supported interface %s\n", debugstr_guid(riid));
 612     return E_NOINTERFACE;
 613 }
 614
 615 static ULONG WINAPI HttpProtocol_AddRef(IInternetProtocolEx *iface)
 616 {
 617     HttpProtocol *This = impl_from_IInternetProtocolEx(iface);
 618     LONG ref = InterlockedIncrement(&This->ref);
 619     TRACE("(%p) ref=%d\n", This, ref);
 620     return ref;
 621 }
 622
 623 static ULONG WINAPI HttpProtocol_Release(IInternetProtocolEx *iface)
 624 {
 625     HttpProtocol *This = impl_from_IInternetProtocolEx(iface);
 626     LONG ref = InterlockedDecrement(&This->ref);
 627
 628     TRACE("(%p) ref=%d\n", This, ref);
 629
 630     if(!ref) {
 631         protocol_close_connection(&This->base);
 632         heap_free(This);
 633
 634         URLMON_UnlockModule();
 635     }
 636
 637     return ref;
 638 }
 639
 640 static HRESULT WINAPI HttpProtocol_Start(IInternetProtocolEx *iface, LPCWSTR szUrl,
 641         IInternetProtocolSink *pOIProtSink, IInternetBindInfo *pOIBindInfo,
 642         DWORD grfPI, HANDLE_PTR dwReserved)
 643 {
 644     HttpProtocol *This = impl_from_IInternetProtocolEx(iface);
 645     IUri *uri;
 646     HRESULT hres;
 647
 648     TRACE("(%p)->(%s %p %p %08x %lx)\n", This, debugstr_w(szUrl), pOIProtSink,
 649             pOIBindInfo, grfPI, dwReserved);
 650
 651     hres = CreateUri(szUrl, 0, 0, &uri);
 652     if(FAILED(hres))
 653         return hres;
 654
 655     hres = IInternetProtocolEx_StartEx(&This->IInternetProtocolEx_iface, uri, pOIProtSink,
 656             pOIBindInfo, grfPI, (HANDLE*)dwReserved);
 657
 658     IUri_Release(uri);
 659     return hres;
 660 }
 661
 662 static HRESULT WINAPI HttpProtocol_Continue(IInternetProtocolEx *iface, PROTOCOLDATA *pProtocolData)
 663 {
 664     HttpProtocol *This = impl_from_IInternetProtocolEx(iface);
 665
 666     TRACE("(%p)->(%p)\n", This, pProtocolData);
 667
 668     return protocol_continue(&This->base, pProtocolData);
 669 }
 670
 671 static HRESULT WINAPI HttpProtocol_Abort(IInternetProtocolEx *iface, HRESULT hrReason,
 672         DWORD dwOptions)
 673 {
 674     HttpProtocol *This = impl_from_IInternetProtocolEx(iface);
 675
 676     TRACE("(%p)->(%08x %08x)\n", This, hrReason, dwOptions);
 677
 678     return protocol_abort(&This->base, hrReason);
 679 }
 680
 681 static HRESULT WINAPI HttpProtocol_Terminate(IInternetProtocolEx *iface, DWORD dwOptions)
 682 {
 683     HttpProtocol *This = impl_from_IInternetProtocolEx(iface);
 684
 685     TRACE("(%p)->(%08x)\n", This, dwOptions);
 686
 687     protocol_close_connection(&This->base);
 688     return S_OK;
 689 }
 690
 691 static HRESULT WINAPI HttpProtocol_Suspend(IInternetProtocolEx *iface)
 692 {
 693     HttpProtocol *This = impl_from_IInternetProtocolEx(iface);
 694     FIXME("(%p)\n", This);
 695     return E_NOTIMPL;
 696 }
 697
 698 static HRESULT WINAPI HttpProtocol_Resume(IInternetProtocolEx *iface)
 699 {
 700     HttpProtocol *This = impl_from_IInternetProtocolEx(iface);
 701     FIXME("(%p)\n", This);
 702     return E_NOTIMPL;
 703 }
 704
 705 static HRESULT WINAPI HttpProtocol_Read(IInternetProtocolEx *iface, void *pv,
 706         ULONG cb, ULONG *pcbRead)
 707 {
 708     HttpProtocol *This = impl_from_IInternetProtocolEx(iface);
 709
 710     TRACE("(%p)->(%p %u %p)\n", This, pv, cb, pcbRead);
 711
 712     return protocol_read(&This->base, pv, cb, pcbRead);
 713 }
 714
 715 static HRESULT WINAPI HttpProtocol_Seek(IInternetProtocolEx *iface, LARGE_INTEGER dlibMove,
 716         DWORD dwOrigin, ULARGE_INTEGER *plibNewPosition)
 717 {
 718     HttpProtocol *This = impl_from_IInternetProtocolEx(iface);
 719     FIXME("(%p)->(%d %d %p)\n", This, dlibMove.u.LowPart, dwOrigin, plibNewPosition);
 720     return E_NOTIMPL;
 721 }
 722
 723 static HRESULT WINAPI HttpProtocol_LockRequest(IInternetProtocolEx *iface, DWORD dwOptions)
 724 {
 725     HttpProtocol *This = impl_from_IInternetProtocolEx(iface);
 726
 727     TRACE("(%p)->(%08x)\n", This, dwOptions);
 728
 729     return protocol_lock_request(&This->base);
 730 }
 731
 732 static HRESULT WINAPI HttpProtocol_UnlockRequest(IInternetProtocolEx *iface)
 733 {
 734     HttpProtocol *This = impl_from_IInternetProtocolEx(iface);
 735
 736     TRACE("(%p)\n", This);
 737
 738     return protocol_unlock_request(&This->base);
 739 }
 740
 741 static HRESULT WINAPI HttpProtocol_StartEx(IInternetProtocolEx *iface, IUri *pUri,
 742         IInternetProtocolSink *pOIProtSink, IInternetBindInfo *pOIBindInfo,
 743         DWORD grfPI, HANDLE *dwReserved)
 744 {
 745     HttpProtocol *This = impl_from_IInternetProtocolEx(iface);
 746     DWORD scheme = 0;
 747     HRESULT hres;
 748
 749     TRACE("(%p)->(%p %p %p %08x %p)\n", This, pUri, pOIProtSink,
 750             pOIBindInfo, grfPI, dwReserved);
 751
 752     hres = IUri_GetScheme(pUri, &scheme);
 753     if(FAILED(hres))
 754         return hres;
 755     if(scheme != (This->https ? URL_SCHEME_HTTPS : URL_SCHEME_HTTP))
 756         return MK_E_SYNTAX;
 757
 758     return protocol_start(&This->base, (IInternetProtocol*)&This->IInternetProtocolEx_iface, pUri,
 759                           pOIProtSink, pOIBindInfo);
 760 }
 761
 762 static const IInternetProtocolExVtbl HttpProtocolVtbl = {
 763     HttpProtocol_QueryInterface,
 764     HttpProtocol_AddRef,
 765     HttpProtocol_Release,
 766     HttpProtocol_Start,
 767     HttpProtocol_Continue,
 768     HttpProtocol_Abort,
 769     HttpProtocol_Terminate,
 770     HttpProtocol_Suspend,
 771     HttpProtocol_Resume,
 772     HttpProtocol_Read,
 773     HttpProtocol_Seek,
 774     HttpProtocol_LockRequest,
 775     HttpProtocol_UnlockRequest,
 776     HttpProtocol_StartEx
 777 };
 778
 779 static HRESULT WINAPI HttpPriority_QueryInterface(IInternetPriority *iface, REFIID riid, void **ppv)
 780 {
 781     HttpProtocol *This = impl_from_IInternetPriority(iface);
 782     return IInternetProtocolEx_QueryInterface(&This->IInternetProtocolEx_iface, riid, ppv);
 783 }
 784
 785 static ULONG WINAPI HttpPriority_AddRef(IInternetPriority *iface)
 786 {
 787     HttpProtocol *This = impl_from_IInternetPriority(iface);
 788     return IInternetProtocolEx_AddRef(&This->IInternetProtocolEx_iface);
 789 }
 790
 791 static ULONG WINAPI HttpPriority_Release(IInternetPriority *iface)
 792 {
 793     HttpProtocol *This = impl_from_IInternetPriority(iface);
 794     return IInternetProtocolEx_Release(&This->IInternetProtocolEx_iface);
 795 }
 796
 797 static HRESULT WINAPI HttpPriority_SetPriority(IInternetPriority *iface, LONG nPriority)
 798 {
 799     HttpProtocol *This = impl_from_IInternetPriority(iface);
 800
 801     TRACE("(%p)->(%d)\n", This, nPriority);
 802
 803     This->base.priority = nPriority;
 804     return S_OK;
 805 }
 806
 807 static HRESULT WINAPI HttpPriority_GetPriority(IInternetPriority *iface, LONG *pnPriority)
 808 {
 809     HttpProtocol *This = impl_from_IInternetPriority(iface);
 810
 811     TRACE("(%p)->(%p)\n", This, pnPriority);
 812
 813     *pnPriority = This->base.priority;
 814     return S_OK;
 815 }
 816
 817 static const IInternetPriorityVtbl HttpPriorityVtbl = {
 818     HttpPriority_QueryInterface,
 819     HttpPriority_AddRef,
 820     HttpPriority_Release,
 821     HttpPriority_SetPriority,
 822     HttpPriority_GetPriority
 823 };
 824
 825 static HRESULT WINAPI HttpInfo_QueryInterface(IWinInetHttpInfo *iface, REFIID riid, void **ppv)
 826 {
 827     HttpProtocol *This = impl_from_IWinInetHttpInfo(iface);
 828     return IInternetProtocolEx_QueryInterface(&This->IInternetProtocolEx_iface, riid, ppv);
 829 }
 830
 831 static ULONG WINAPI HttpInfo_AddRef(IWinInetHttpInfo *iface)
 832 {
 833     HttpProtocol *This = impl_from_IWinInetHttpInfo(iface);
 834     return IInternetProtocolEx_AddRef(&This->IInternetProtocolEx_iface);
 835 }
 836
 837 static ULONG WINAPI HttpInfo_Release(IWinInetHttpInfo *iface)
 838 {
 839     HttpProtocol *This = impl_from_IWinInetHttpInfo(iface);
 840     return IInternetProtocolEx_Release(&This->IInternetProtocolEx_iface);
 841 }
 842
 843 static HRESULT WINAPI HttpInfo_QueryOption(IWinInetHttpInfo *iface, DWORD dwOption,
 844         void *pBuffer, DWORD *pcbBuffer)
 845 {
 846     HttpProtocol *This = impl_from_IWinInetHttpInfo(iface);
 847     TRACE("(%p)->(%x %p %p)\n", This, dwOption, pBuffer, pcbBuffer);
 848
 849     if(!This->base.request)
 850         return E_FAIL;
 851
 852     if(!InternetQueryOptionW(This->base.request, dwOption, pBuffer, pcbBuffer))
 853         return S_FALSE;
 854     return S_OK;
 855 }
 856
 857 static HRESULT WINAPI HttpInfo_QueryInfo(IWinInetHttpInfo *iface, DWORD dwOption,
 858         void *pBuffer, DWORD *pcbBuffer, DWORD *pdwFlags, DWORD *pdwReserved)
 859 {
 860     HttpProtocol *This = impl_from_IWinInetHttpInfo(iface);
 861     TRACE("(%p)->(%x %p %p %p %p)\n", This, dwOption, pBuffer, pcbBuffer, pdwFlags, pdwReserved);
 862
 863     if(!This->base.request)
 864         return E_FAIL;
 865
 866     if(!HttpQueryInfoW(This->base.request, dwOption, pBuffer, pcbBuffer, pdwFlags)) {
 867         if(pBuffer)
 868             memset(pBuffer, 0, *pcbBuffer);
 869         return S_OK;
 870     }
 871     return S_OK;
 872 }
 873
 874 static const IWinInetHttpInfoVtbl WinInetHttpInfoVtbl = {
 875     HttpInfo_QueryInterface,
 876     HttpInfo_AddRef,
 877     HttpInfo_Release,
 878     HttpInfo_QueryOption,
 879     HttpInfo_QueryInfo
 880 };
 881
 882 static HRESULT create_http_protocol(BOOL https, void **ppobj)
 883 {
 884     HttpProtocol *ret;
 885
 886     ret = heap_alloc_zero(sizeof(HttpProtocol));
 887     if(!ret)
 888         return E_OUTOFMEMORY;
 889
 890     ret->base.vtbl = &AsyncProtocolVtbl;
 891     ret->IInternetProtocolEx_iface.lpVtbl = &HttpProtocolVtbl;
 892     ret->IInternetPriority_iface.lpVtbl   = &HttpPriorityVtbl;
 893     ret->IWinInetHttpInfo_iface.lpVtbl    = &WinInetHttpInfoVtbl;
 894
 895     ret->https = https;
 896     ret->ref = 1;
 897
 898     *ppobj = &ret->IInternetProtocolEx_iface;
 899
 900     URLMON_LockModule();
 901     return S_OK;
 902 }
 903
 904 HRESULT HttpProtocol_Construct(IUnknown *pUnkOuter, LPVOID *ppobj)
 905 {
 906     TRACE("(%p %p)\n", pUnkOuter, ppobj);
 907
 908     return create_http_protocol(FALSE, ppobj);
 909 }
 910
 911 HRESULT HttpSProtocol_Construct(IUnknown *pUnkOuter, LPVOID *ppobj)
 912 {
 913     TRACE("(%p %p)\n", pUnkOuter, ppobj);
 914
 915     return create_http_protocol(TRUE, ppobj);
 916 }