git.oblomov.eu Git - wine/blob - 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 flags)
  83 {
  84     BOOL res;
  85
  86     res = InternetSetOptionW(This->base.request, INTERNET_OPTION_SECURITY_FLAGS, &flags, sizeof(flags));
  87     if(!res)
  88         ERR("Failed to set security flags: %x\n", flags);
  89
  90     return res;
  91 }
  92
  93 static inline HRESULT internet_error_to_hres(DWORD error)
  94 {
  95     switch(error)
  96     {
  97     case ERROR_INTERNET_SEC_CERT_DATE_INVALID:
  98     case ERROR_INTERNET_SEC_CERT_CN_INVALID:
  99     case ERROR_INTERNET_INVALID_CA:
 100     case ERROR_INTERNET_CLIENT_AUTH_CERT_NEEDED:
 101     case ERROR_INTERNET_SEC_INVALID_CERT:
 102     case ERROR_INTERNET_SEC_CERT_ERRORS:
 103     case ERROR_INTERNET_SEC_CERT_REV_FAILED:
 104     case ERROR_INTERNET_SEC_CERT_NO_REV:
 105     case ERROR_INTERNET_SEC_CERT_REVOKED:
 106         return INET_E_INVALID_CERTIFICATE;
 107     case ERROR_INTERNET_HTTP_TO_HTTPS_ON_REDIR:
 108     case ERROR_INTERNET_HTTPS_TO_HTTP_ON_REDIR:
 109     case ERROR_HTTP_REDIRECT_NEEDS_CONFIRMATION:
 110         return INET_E_REDIRECT_FAILED;
 111     default:
 112         return INET_E_DOWNLOAD_FAILURE;
 113     }
 114 }
 115
 116 static HRESULT handle_http_error(HttpProtocol *This, DWORD error)
 117 {
 118     IServiceProvider *serv_prov;
 119     IWindowForBindingUI *wfb_ui;
 120     IHttpSecurity *http_security;
 121     BOOL security_problem;
 122     DWORD dlg_flags;
 123     HWND hwnd;
 124     DWORD res;
 125     HRESULT hres;
 126
 127     TRACE("(%p %u)\n", This, error);
 128
 129     switch(error) {
 130     case ERROR_INTERNET_SEC_CERT_DATE_INVALID:
 131     case ERROR_INTERNET_SEC_CERT_CN_INVALID:
 132     case ERROR_INTERNET_HTTP_TO_HTTPS_ON_REDIR:
 133     case ERROR_INTERNET_HTTPS_TO_HTTP_ON_REDIR:
 134     case ERROR_INTERNET_INVALID_CA:
 135     case ERROR_INTERNET_CLIENT_AUTH_CERT_NEEDED:
 136     case ERROR_INTERNET_SEC_INVALID_CERT:
 137     case ERROR_INTERNET_SEC_CERT_ERRORS:
 138     case ERROR_INTERNET_SEC_CERT_REV_FAILED:
 139     case ERROR_INTERNET_SEC_CERT_NO_REV:
 140     case ERROR_INTERNET_SEC_CERT_REVOKED:
 141     case ERROR_HTTP_REDIRECT_NEEDS_CONFIRMATION:
 142         security_problem = TRUE;
 143         break;
 144     default:
 145         security_problem = FALSE;
 146     }
 147
 148     hres = IInternetProtocolSink_QueryInterface(This->base.protocol_sink, &IID_IServiceProvider,
 149                                                 (void**)&serv_prov);
 150     if(FAILED(hres)) {
 151         ERR("Failed to get IServiceProvider.\n");
 152         return E_ABORT;
 153     }
 154
 155     if(security_problem) {
 156         hres = IServiceProvider_QueryService(serv_prov, &IID_IHttpSecurity, &IID_IHttpSecurity,
 157                                              (void**)&http_security);
 158         if(SUCCEEDED(hres)) {
 159             hres = IHttpSecurity_OnSecurityProblem(http_security, error);
 160             IHttpSecurity_Release(http_security);
 161
 162             TRACE("OnSecurityProblem returned %08x\n", hres);
 163
 164             if(hres != S_FALSE)
 165             {
 166                 BOOL res = FALSE;
 167
 168                 IServiceProvider_Release(serv_prov);
 169
 170                 if(hres == S_OK) {
 171                     if(error == ERROR_INTERNET_SEC_CERT_DATE_INVALID)
 172                         res = set_security_flag(This, SECURITY_FLAG_IGNORE_CERT_DATE_INVALID);
 173                     else if(error == ERROR_INTERNET_SEC_CERT_CN_INVALID)
 174                         res = set_security_flag(This, SECURITY_FLAG_IGNORE_CERT_CN_INVALID);
 175                     else if(error == ERROR_INTERNET_INVALID_CA)
 176                         res = set_security_flag(This, SECURITY_FLAG_IGNORE_UNKNOWN_CA);
 177
 178                     if(res)
 179                         return RPC_E_RETRY;
 180
 181                     FIXME("Don't know how to ignore error %d\n", error);
 182                     return E_ABORT;
 183                 }
 184
 185                 if(hres == E_ABORT)
 186                     return E_ABORT;
 187                 if(hres == RPC_E_RETRY)
 188                     return RPC_E_RETRY;
 189
 190                 return internet_error_to_hres(error);
 191             }
 192         }
 193     }
 194
 195     switch(error) {
 196     case ERROR_INTERNET_SEC_CERT_REV_FAILED:
 197         if(hres != S_FALSE) {
 198             /* Silently ignore the error. We will get more detailed error from wininet anyway. */
 199             set_security_flag(This, SECURITY_FLAG_IGNORE_REVOCATION);
 200             hres = RPC_E_RETRY;
 201             break;
 202         }
 203         /* fallthrough */
 204     default:
 205         hres = IServiceProvider_QueryService(serv_prov, &IID_IWindowForBindingUI, &IID_IWindowForBindingUI, (void**)&wfb_ui);
 206         if(SUCCEEDED(hres)) {
 207             const IID *iid_reason;
 208
 209             if(security_problem)
 210                 iid_reason = &IID_IHttpSecurity;
 211             else if(error == ERROR_INTERNET_INCORRECT_PASSWORD)
 212                 iid_reason = &IID_IAuthenticate;
 213             else
 214                 iid_reason = &IID_IWindowForBindingUI;
 215
 216             hres = IWindowForBindingUI_GetWindow(wfb_ui, iid_reason, &hwnd);
 217             IWindowForBindingUI_Release(wfb_ui);
 218             if(FAILED(hres))
 219                 hwnd = NULL;
 220         }
 221
 222
 223         dlg_flags = FLAGS_ERROR_UI_FLAGS_CHANGE_OPTIONS | FLAGS_ERROR_UI_FLAGS_GENERATE_DATA;
 224         if(This->base.bindf & BINDF_NO_UI)
 225             dlg_flags |= FLAGS_ERROR_UI_FLAGS_NO_UI;
 226
 227         res = InternetErrorDlg(hwnd, This->base.request, error, dlg_flags, NULL);
 228         hres = res == ERROR_INTERNET_FORCE_RETRY || res == ERROR_SUCCESS ? RPC_E_RETRY : internet_error_to_hres(error);
 229     }
 230
 231     IServiceProvider_Release(serv_prov);
 232     return hres;
 233 }
 234
 235 static ULONG send_http_request(HttpProtocol *This)
 236 {
 237     INTERNET_BUFFERSW send_buffer = {sizeof(INTERNET_BUFFERSW)};
 238     BOOL res;
 239
 240     send_buffer.lpcszHeader = This->full_header;
 241     send_buffer.dwHeadersLength = send_buffer.dwHeadersTotal = strlenW(This->full_header);
 242
 243     if(This->base.bind_info.dwBindVerb != BINDVERB_GET) {
 244         switch(This->base.bind_info.stgmedData.tymed) {
 245         case TYMED_HGLOBAL:
 246             /* Native does not use GlobalLock/GlobalUnlock, so we won't either */
 247             send_buffer.lpvBuffer = This->base.bind_info.stgmedData.u.hGlobal;
 248             send_buffer.dwBufferLength = send_buffer.dwBufferTotal = This->base.bind_info.cbstgmedData;
 249             break;
 250         case TYMED_ISTREAM: {
 251             LARGE_INTEGER offset;
 252
 253             send_buffer.dwBufferTotal = This->base.bind_info.cbstgmedData;
 254             if(!This->base.post_stream) {
 255                 This->base.post_stream = This->base.bind_info.stgmedData.u.pstm;
 256                 IStream_AddRef(This->base.post_stream);
 257             }
 258
 259             offset.QuadPart = 0;
 260             IStream_Seek(This->base.post_stream, offset, STREAM_SEEK_SET, NULL);
 261             break;
 262         }
 263         default:
 264             FIXME("Unsupported This->base.bind_info.stgmedData.tymed %d\n", This->base.bind_info.stgmedData.tymed);
 265         }
 266     }
 267
 268     if(This->base.post_stream)
 269         res = HttpSendRequestExW(This->base.request, &send_buffer, NULL, 0, 0);
 270     else
 271         res = HttpSendRequestW(This->base.request, send_buffer.lpcszHeader, send_buffer.dwHeadersLength,
 272                 send_buffer.lpvBuffer, send_buffer.dwBufferLength);
 273
 274     return res ? 0 : GetLastError();
 275 }
 276
 277 static inline HttpProtocol *impl_from_Protocol(Protocol *prot)
 278 {
 279     return CONTAINING_RECORD(prot, HttpProtocol, base);
 280 }
 281
 282 static HRESULT HttpProtocol_open_request(Protocol *prot, IUri *uri, DWORD request_flags,
 283         HINTERNET internet_session, IInternetBindInfo *bind_info)
 284 {
 285     HttpProtocol *This = impl_from_Protocol(prot);
 286     LPWSTR addl_header = NULL, post_cookie = NULL;
 287     IServiceProvider *service_provider = NULL;
 288     IHttpNegotiate2 *http_negotiate2 = NULL;
 289     BSTR url, host, user, pass, path;
 290     LPOLESTR accept_mimes[257];
 291     const WCHAR **accept_types;
 292     BYTE security_id[512];
 293     DWORD len, port, flags;
 294     ULONG num, error;
 295     BOOL res, b;
 296     HRESULT hres;
 297
 298     static const WCHAR wszBindVerb[BINDVERB_CUSTOM][5] =
 299         {{'G','E','T',0},
 300          {'P','O','S','T',0},
 301          {'P','U','T',0}};
 302
 303     hres = IUri_GetPort(uri, &port);
 304     if(FAILED(hres))
 305         return hres;
 306
 307     hres = IUri_GetHost(uri, &host);
 308     if(FAILED(hres))
 309         return hres;
 310
 311     hres = IUri_GetUserName(uri, &user);
 312     if(SUCCEEDED(hres)) {
 313         hres = IUri_GetPassword(uri, &pass);
 314
 315         if(SUCCEEDED(hres)) {
 316             This->base.connection = InternetConnectW(internet_session, host, port, user, pass,
 317                     INTERNET_SERVICE_HTTP, This->https ? INTERNET_FLAG_SECURE : 0, (DWORD_PTR)&This->base);
 318             SysFreeString(pass);
 319         }
 320         SysFreeString(user);
 321     }
 322     SysFreeString(host);
 323     if(FAILED(hres))
 324         return hres;
 325     if(!This->base.connection) {
 326         WARN("InternetConnect failed: %d\n", GetLastError());
 327         return INET_E_CANNOT_CONNECT;
 328     }
 329
 330     num = sizeof(accept_mimes)/sizeof(accept_mimes[0])-1;
 331     hres = IInternetBindInfo_GetBindString(bind_info, BINDSTRING_ACCEPT_MIMES, accept_mimes, num, &num);
 332     if(hres == INET_E_USE_DEFAULT_SETTING) {
 333         static const WCHAR default_accept_mimeW[] = {'*','/','*',0};
 334         static const WCHAR *default_accept_mimes[] = {default_accept_mimeW, NULL};
 335
 336         accept_types = default_accept_mimes;
 337         num = 0;
 338     }else if(hres == S_OK) {
 339         accept_types = (const WCHAR**)accept_mimes;
 340     }else {
 341         WARN("GetBindString BINDSTRING_ACCEPT_MIMES failed: %08x\n", hres);
 342         return INET_E_NO_VALID_MEDIA;
 343     }
 344     accept_mimes[num] = 0;
 345
 346     if(This->https)
 347         request_flags |= INTERNET_FLAG_SECURE;
 348
 349     hres = IUri_GetPathAndQuery(uri, &path);
 350     if(SUCCEEDED(hres)) {
 351         This->base.request = HttpOpenRequestW(This->base.connection,
 352                 This->base.bind_info.dwBindVerb < BINDVERB_CUSTOM
 353                     ? wszBindVerb[This->base.bind_info.dwBindVerb] : This->base.bind_info.szCustomVerb,
 354                 path, NULL, NULL, accept_types, request_flags, (DWORD_PTR)&This->base);
 355         SysFreeString(path);
 356     }
 357     while(num--)
 358         CoTaskMemFree(accept_mimes[num]);
 359     if(FAILED(hres))
 360         return hres;
 361     if (!This->base.request) {
 362         WARN("HttpOpenRequest failed: %d\n", GetLastError());
 363         return INET_E_RESOURCE_NOT_FOUND;
 364     }
 365
 366     hres = IInternetProtocolSink_QueryInterface(This->base.protocol_sink, &IID_IServiceProvider,
 367             (void **)&service_provider);
 368     if (hres != S_OK) {
 369         WARN("IInternetProtocolSink_QueryInterface IID_IServiceProvider failed: %08x\n", hres);
 370         return hres;
 371     }
 372
 373     hres = IServiceProvider_QueryService(service_provider, &IID_IHttpNegotiate,
 374             &IID_IHttpNegotiate, (void **)&This->http_negotiate);
 375     if (hres != S_OK) {
 376         WARN("IServiceProvider_QueryService IID_IHttpNegotiate failed: %08x\n", hres);
 377         IServiceProvider_Release(service_provider);
 378         return hres;
 379     }
 380
 381     hres = IUri_GetAbsoluteUri(uri, &url);
 382     if(FAILED(hres)) {
 383         IServiceProvider_Release(service_provider);
 384         return hres;
 385     }
 386
 387     hres = IHttpNegotiate_BeginningTransaction(This->http_negotiate, url, default_headersW,
 388             0, &addl_header);
 389     SysFreeString(url);
 390     if(hres != S_OK) {
 391         WARN("IHttpNegotiate_BeginningTransaction failed: %08x\n", hres);
 392         IServiceProvider_Release(service_provider);
 393         return hres;
 394     }
 395
 396     len = addl_header ? strlenW(addl_header) : 0;
 397
 398     This->full_header = heap_alloc(len*sizeof(WCHAR)+sizeof(default_headersW));
 399     if(!This->full_header) {
 400         IServiceProvider_Release(service_provider);
 401         return E_OUTOFMEMORY;
 402     }
 403
 404     if(len)
 405         memcpy(This->full_header, addl_header, len*sizeof(WCHAR));
 406     CoTaskMemFree(addl_header);
 407     memcpy(This->full_header+len, default_headersW, sizeof(default_headersW));
 408
 409     hres = IServiceProvider_QueryService(service_provider, &IID_IHttpNegotiate2,
 410             &IID_IHttpNegotiate2, (void **)&http_negotiate2);
 411     IServiceProvider_Release(service_provider);
 412     if(hres != S_OK) {
 413         WARN("IServiceProvider_QueryService IID_IHttpNegotiate2 failed: %08x\n", hres);
 414         /* No goto done as per native */
 415     }else {
 416         len = sizeof(security_id)/sizeof(security_id[0]);
 417         hres = IHttpNegotiate2_GetRootSecurityId(http_negotiate2, security_id, &len, 0);
 418         IHttpNegotiate2_Release(http_negotiate2);
 419         if (hres != S_OK)
 420             WARN("IHttpNegotiate2_GetRootSecurityId failed: %08x\n", hres);
 421     }
 422
 423     /* FIXME: Handle security_id. Native calls undocumented function IsHostInProxyBypassList. */
 424
 425     if(This->base.bind_info.dwBindVerb == BINDVERB_POST) {
 426         num = 0;
 427         hres = IInternetBindInfo_GetBindString(bind_info, BINDSTRING_POST_COOKIE, &post_cookie, 1, &num);
 428         if(hres == S_OK && num) {
 429             if(!InternetSetOptionW(This->base.request, INTERNET_OPTION_SECONDARY_CACHE_KEY,
 430                                    post_cookie, lstrlenW(post_cookie)))
 431                 WARN("InternetSetOption INTERNET_OPTION_SECONDARY_CACHE_KEY failed: %d\n", GetLastError());
 432             CoTaskMemFree(post_cookie);
 433         }
 434     }
 435
 436     flags = INTERNET_ERROR_MASK_COMBINED_SEC_CERT;
 437     res = InternetSetOptionW(This->base.request, INTERNET_OPTION_ERROR_MASK, &flags, sizeof(flags));
 438     if(!res)
 439         WARN("InternetSetOption(INTERNET_OPTION_ERROR_MASK) failed: %u\n", GetLastError());
 440
 441     b = TRUE;
 442     res = InternetSetOptionW(This->base.request, INTERNET_OPTION_HTTP_DECODING, &b, sizeof(b));
 443     if(!res)
 444         WARN("InternetSetOption(INTERNET_OPTION_HTTP_DECODING) failed: %u\n", GetLastError());
 445
 446     do {
 447         error = send_http_request(This);
 448
 449         if(error == ERROR_IO_PENDING || error == ERROR_SUCCESS)
 450             return S_OK;
 451
 452         hres = handle_http_error(This, error);
 453
 454     } while(hres == RPC_E_RETRY);
 455
 456     WARN("HttpSendRequest failed: %d\n", error);
 457     return hres;
 458 }
 459
 460 static HRESULT HttpProtocol_end_request(Protocol *protocol)
 461 {
 462     BOOL res;
 463
 464     res = HttpEndRequestW(protocol->request, NULL, 0, 0);
 465     if(!res && GetLastError() != ERROR_IO_PENDING) {
 466         FIXME("HttpEndRequest failed: %u\n", GetLastError());
 467         return E_FAIL;
 468     }
 469
 470     return S_OK;
 471 }
 472
 473 static HRESULT HttpProtocol_start_downloading(Protocol *prot)
 474 {
 475     HttpProtocol *This = impl_from_Protocol(prot);
 476     LPWSTR content_type, content_length, ranges;
 477     DWORD len = sizeof(DWORD);
 478     DWORD status_code;
 479     BOOL res;
 480     HRESULT hres;
 481
 482     static const WCHAR wszDefaultContentType[] =
 483         {'t','e','x','t','/','h','t','m','l',0};
 484
 485     if(!This->http_negotiate) {
 486         WARN("Expected IHttpNegotiate pointer to be non-NULL\n");
 487         return S_OK;
 488     }
 489
 490     res = HttpQueryInfoW(This->base.request, HTTP_QUERY_STATUS_CODE | HTTP_QUERY_FLAG_NUMBER,
 491             &status_code, &len, NULL);
 492     if(res) {
 493         LPWSTR response_headers = query_http_info(This, HTTP_QUERY_RAW_HEADERS_CRLF);
 494         if(response_headers) {
 495             hres = IHttpNegotiate_OnResponse(This->http_negotiate, status_code, response_headers,
 496                     NULL, NULL);
 497             heap_free(response_headers);
 498             if (hres != S_OK) {
 499                 WARN("IHttpNegotiate_OnResponse failed: %08x\n", hres);
 500                 return S_OK;
 501             }
 502         }
 503     }else {
 504         WARN("HttpQueryInfo failed: %d\n", GetLastError());
 505     }
 506
 507     ranges = query_http_info(This, HTTP_QUERY_ACCEPT_RANGES);
 508     if(ranges) {
 509         IInternetProtocolSink_ReportProgress(This->base.protocol_sink, BINDSTATUS_ACCEPTRANGES, NULL);
 510         heap_free(ranges);
 511     }
 512
 513     content_type = query_http_info(This, HTTP_QUERY_CONTENT_TYPE);
 514     if(content_type) {
 515         /* remove the charset, if present */
 516         LPWSTR p = strchrW(content_type, ';');
 517         if (p) *p = '\0';
 518
 519         IInternetProtocolSink_ReportProgress(This->base.protocol_sink,
 520                 (This->base.bindf & BINDF_FROMURLMON)
 521                  ? BINDSTATUS_MIMETYPEAVAILABLE : BINDSTATUS_RAWMIMETYPE,
 522                  content_type);
 523         heap_free(content_type);
 524     }else {
 525         WARN("HttpQueryInfo failed: %d\n", GetLastError());
 526         IInternetProtocolSink_ReportProgress(This->base.protocol_sink,
 527                  (This->base.bindf & BINDF_FROMURLMON)
 528                   ? BINDSTATUS_MIMETYPEAVAILABLE : BINDSTATUS_RAWMIMETYPE,
 529                   wszDefaultContentType);
 530     }
 531
 532     content_length = query_http_info(This, HTTP_QUERY_CONTENT_LENGTH);
 533     if(content_length) {
 534         This->base.content_length = atoiW(content_length);
 535         heap_free(content_length);
 536     }
 537
 538     return S_OK;
 539 }
 540
 541 static void HttpProtocol_close_connection(Protocol *prot)
 542 {
 543     HttpProtocol *This = impl_from_Protocol(prot);
 544
 545     if(This->http_negotiate) {
 546         IHttpNegotiate_Release(This->http_negotiate);
 547         This->http_negotiate = NULL;
 548     }
 549
 550     heap_free(This->full_header);
 551     This->full_header = NULL;
 552 }
 553
 554 static void HttpProtocol_on_error(Protocol *prot, DWORD error)
 555 {
 556     HttpProtocol *This = impl_from_Protocol(prot);
 557     HRESULT hres;
 558
 559     TRACE("(%p) %d\n", prot, error);
 560
 561     if(prot->flags & FLAG_FIRST_CONTINUE_COMPLETE) {
 562         FIXME("Not handling error %d\n", error);
 563         return;
 564     }
 565
 566     while((hres = handle_http_error(This, error)) == RPC_E_RETRY) {
 567         error = send_http_request(This);
 568
 569         if(error == ERROR_IO_PENDING || error == ERROR_SUCCESS)
 570             return;
 571     }
 572
 573     protocol_abort(prot, hres);
 574     protocol_close_connection(prot);
 575     return;
 576 }
 577
 578 static const ProtocolVtbl AsyncProtocolVtbl = {
 579     HttpProtocol_open_request,
 580     HttpProtocol_end_request,
 581     HttpProtocol_start_downloading,
 582     HttpProtocol_close_connection,
 583     HttpProtocol_on_error
 584 };
 585
 586 static HRESULT WINAPI HttpProtocol_QueryInterface(IInternetProtocolEx *iface, REFIID riid, void **ppv)
 587 {
 588     HttpProtocol *This = impl_from_IInternetProtocolEx(iface);
 589
 590     *ppv = NULL;
 591     if(IsEqualGUID(&IID_IUnknown, riid)) {
 592         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 593         *ppv = &This->IInternetProtocolEx_iface;
 594     }else if(IsEqualGUID(&IID_IInternetProtocolRoot, riid)) {
 595         TRACE("(%p)->(IID_IInternetProtocolRoot %p)\n", This, ppv);
 596         *ppv = &This->IInternetProtocolEx_iface;
 597     }else if(IsEqualGUID(&IID_IInternetProtocol, riid)) {
 598         TRACE("(%p)->(IID_IInternetProtocol %p)\n", This, ppv);
 599         *ppv = &This->IInternetProtocolEx_iface;
 600     }else if(IsEqualGUID(&IID_IInternetProtocolEx, riid)) {
 601         TRACE("(%p)->(IID_IInternetProtocolEx %p)\n", This, ppv);
 602         *ppv = &This->IInternetProtocolEx_iface;
 603     }else if(IsEqualGUID(&IID_IInternetPriority, riid)) {
 604         TRACE("(%p)->(IID_IInternetPriority %p)\n", This, ppv);
 605         *ppv = &This->IInternetPriority_iface;
 606     }else if(IsEqualGUID(&IID_IWinInetInfo, riid)) {
 607         TRACE("(%p)->(IID_IWinInetInfo %p)\n", This, ppv);
 608         *ppv = &This->IWinInetHttpInfo_iface;
 609     }else if(IsEqualGUID(&IID_IWinInetHttpInfo, riid)) {
 610         TRACE("(%p)->(IID_IWinInetHttpInfo %p)\n", This, ppv);
 611         *ppv = &This->IWinInetHttpInfo_iface;
 612     }
 613
 614     if(*ppv) {
 615         IInternetProtocolEx_AddRef(iface);
 616         return S_OK;
 617     }
 618
 619     WARN("not supported interface %s\n", debugstr_guid(riid));
 620     return E_NOINTERFACE;
 621 }
 622
 623 static ULONG WINAPI HttpProtocol_AddRef(IInternetProtocolEx *iface)
 624 {
 625     HttpProtocol *This = impl_from_IInternetProtocolEx(iface);
 626     LONG ref = InterlockedIncrement(&This->ref);
 627     TRACE("(%p) ref=%d\n", This, ref);
 628     return ref;
 629 }
 630
 631 static ULONG WINAPI HttpProtocol_Release(IInternetProtocolEx *iface)
 632 {
 633     HttpProtocol *This = impl_from_IInternetProtocolEx(iface);
 634     LONG ref = InterlockedDecrement(&This->ref);
 635
 636     TRACE("(%p) ref=%d\n", This, ref);
 637
 638     if(!ref) {
 639         protocol_close_connection(&This->base);
 640         heap_free(This);
 641
 642         URLMON_UnlockModule();
 643     }
 644
 645     return ref;
 646 }
 647
 648 static HRESULT WINAPI HttpProtocol_Start(IInternetProtocolEx *iface, LPCWSTR szUrl,
 649         IInternetProtocolSink *pOIProtSink, IInternetBindInfo *pOIBindInfo,
 650         DWORD grfPI, HANDLE_PTR dwReserved)
 651 {
 652     HttpProtocol *This = impl_from_IInternetProtocolEx(iface);
 653     IUri *uri;
 654     HRESULT hres;
 655
 656     TRACE("(%p)->(%s %p %p %08x %lx)\n", This, debugstr_w(szUrl), pOIProtSink,
 657             pOIBindInfo, grfPI, dwReserved);
 658
 659     hres = CreateUri(szUrl, 0, 0, &uri);
 660     if(FAILED(hres))
 661         return hres;
 662
 663     hres = IInternetProtocolEx_StartEx(&This->IInternetProtocolEx_iface, uri, pOIProtSink,
 664             pOIBindInfo, grfPI, (HANDLE*)dwReserved);
 665
 666     IUri_Release(uri);
 667     return hres;
 668 }
 669
 670 static HRESULT WINAPI HttpProtocol_Continue(IInternetProtocolEx *iface, PROTOCOLDATA *pProtocolData)
 671 {
 672     HttpProtocol *This = impl_from_IInternetProtocolEx(iface);
 673
 674     TRACE("(%p)->(%p)\n", This, pProtocolData);
 675
 676     return protocol_continue(&This->base, pProtocolData);
 677 }
 678
 679 static HRESULT WINAPI HttpProtocol_Abort(IInternetProtocolEx *iface, HRESULT hrReason,
 680         DWORD dwOptions)
 681 {
 682     HttpProtocol *This = impl_from_IInternetProtocolEx(iface);
 683
 684     TRACE("(%p)->(%08x %08x)\n", This, hrReason, dwOptions);
 685
 686     return protocol_abort(&This->base, hrReason);
 687 }
 688
 689 static HRESULT WINAPI HttpProtocol_Terminate(IInternetProtocolEx *iface, DWORD dwOptions)
 690 {
 691     HttpProtocol *This = impl_from_IInternetProtocolEx(iface);
 692
 693     TRACE("(%p)->(%08x)\n", This, dwOptions);
 694
 695     protocol_close_connection(&This->base);
 696     return S_OK;
 697 }
 698
 699 static HRESULT WINAPI HttpProtocol_Suspend(IInternetProtocolEx *iface)
 700 {
 701     HttpProtocol *This = impl_from_IInternetProtocolEx(iface);
 702     FIXME("(%p)\n", This);
 703     return E_NOTIMPL;
 704 }
 705
 706 static HRESULT WINAPI HttpProtocol_Resume(IInternetProtocolEx *iface)
 707 {
 708     HttpProtocol *This = impl_from_IInternetProtocolEx(iface);
 709     FIXME("(%p)\n", This);
 710     return E_NOTIMPL;
 711 }
 712
 713 static HRESULT WINAPI HttpProtocol_Read(IInternetProtocolEx *iface, void *pv,
 714         ULONG cb, ULONG *pcbRead)
 715 {
 716     HttpProtocol *This = impl_from_IInternetProtocolEx(iface);
 717
 718     TRACE("(%p)->(%p %u %p)\n", This, pv, cb, pcbRead);
 719
 720     return protocol_read(&This->base, pv, cb, pcbRead);
 721 }
 722
 723 static HRESULT WINAPI HttpProtocol_Seek(IInternetProtocolEx *iface, LARGE_INTEGER dlibMove,
 724         DWORD dwOrigin, ULARGE_INTEGER *plibNewPosition)
 725 {
 726     HttpProtocol *This = impl_from_IInternetProtocolEx(iface);
 727     FIXME("(%p)->(%d %d %p)\n", This, dlibMove.u.LowPart, dwOrigin, plibNewPosition);
 728     return E_NOTIMPL;
 729 }
 730
 731 static HRESULT WINAPI HttpProtocol_LockRequest(IInternetProtocolEx *iface, DWORD dwOptions)
 732 {
 733     HttpProtocol *This = impl_from_IInternetProtocolEx(iface);
 734
 735     TRACE("(%p)->(%08x)\n", This, dwOptions);
 736
 737     return protocol_lock_request(&This->base);
 738 }
 739
 740 static HRESULT WINAPI HttpProtocol_UnlockRequest(IInternetProtocolEx *iface)
 741 {
 742     HttpProtocol *This = impl_from_IInternetProtocolEx(iface);
 743
 744     TRACE("(%p)\n", This);
 745
 746     return protocol_unlock_request(&This->base);
 747 }
 748
 749 static HRESULT WINAPI HttpProtocol_StartEx(IInternetProtocolEx *iface, IUri *pUri,
 750         IInternetProtocolSink *pOIProtSink, IInternetBindInfo *pOIBindInfo,
 751         DWORD grfPI, HANDLE *dwReserved)
 752 {
 753     HttpProtocol *This = impl_from_IInternetProtocolEx(iface);
 754     DWORD scheme = 0;
 755     HRESULT hres;
 756
 757     TRACE("(%p)->(%p %p %p %08x %p)\n", This, pUri, pOIProtSink,
 758             pOIBindInfo, grfPI, dwReserved);
 759
 760     hres = IUri_GetScheme(pUri, &scheme);
 761     if(FAILED(hres))
 762         return hres;
 763     if(scheme != (This->https ? URL_SCHEME_HTTPS : URL_SCHEME_HTTP))
 764         return MK_E_SYNTAX;
 765
 766     return protocol_start(&This->base, (IInternetProtocol*)&This->IInternetProtocolEx_iface, pUri,
 767                           pOIProtSink, pOIBindInfo);
 768 }
 769
 770 static const IInternetProtocolExVtbl HttpProtocolVtbl = {
 771     HttpProtocol_QueryInterface,
 772     HttpProtocol_AddRef,
 773     HttpProtocol_Release,
 774     HttpProtocol_Start,
 775     HttpProtocol_Continue,
 776     HttpProtocol_Abort,
 777     HttpProtocol_Terminate,
 778     HttpProtocol_Suspend,
 779     HttpProtocol_Resume,
 780     HttpProtocol_Read,
 781     HttpProtocol_Seek,
 782     HttpProtocol_LockRequest,
 783     HttpProtocol_UnlockRequest,
 784     HttpProtocol_StartEx
 785 };
 786
 787 static HRESULT WINAPI HttpPriority_QueryInterface(IInternetPriority *iface, REFIID riid, void **ppv)
 788 {
 789     HttpProtocol *This = impl_from_IInternetPriority(iface);
 790     return IInternetProtocolEx_QueryInterface(&This->IInternetProtocolEx_iface, riid, ppv);
 791 }
 792
 793 static ULONG WINAPI HttpPriority_AddRef(IInternetPriority *iface)
 794 {
 795     HttpProtocol *This = impl_from_IInternetPriority(iface);
 796     return IInternetProtocolEx_AddRef(&This->IInternetProtocolEx_iface);
 797 }
 798
 799 static ULONG WINAPI HttpPriority_Release(IInternetPriority *iface)
 800 {
 801     HttpProtocol *This = impl_from_IInternetPriority(iface);
 802     return IInternetProtocolEx_Release(&This->IInternetProtocolEx_iface);
 803 }
 804
 805 static HRESULT WINAPI HttpPriority_SetPriority(IInternetPriority *iface, LONG nPriority)
 806 {
 807     HttpProtocol *This = impl_from_IInternetPriority(iface);
 808
 809     TRACE("(%p)->(%d)\n", This, nPriority);
 810
 811     This->base.priority = nPriority;
 812     return S_OK;
 813 }
 814
 815 static HRESULT WINAPI HttpPriority_GetPriority(IInternetPriority *iface, LONG *pnPriority)
 816 {
 817     HttpProtocol *This = impl_from_IInternetPriority(iface);
 818
 819     TRACE("(%p)->(%p)\n", This, pnPriority);
 820
 821     *pnPriority = This->base.priority;
 822     return S_OK;
 823 }
 824
 825 static const IInternetPriorityVtbl HttpPriorityVtbl = {
 826     HttpPriority_QueryInterface,
 827     HttpPriority_AddRef,
 828     HttpPriority_Release,
 829     HttpPriority_SetPriority,
 830     HttpPriority_GetPriority
 831 };
 832
 833 static HRESULT WINAPI HttpInfo_QueryInterface(IWinInetHttpInfo *iface, REFIID riid, void **ppv)
 834 {
 835     HttpProtocol *This = impl_from_IWinInetHttpInfo(iface);
 836     return IInternetProtocolEx_QueryInterface(&This->IInternetProtocolEx_iface, riid, ppv);
 837 }
 838
 839 static ULONG WINAPI HttpInfo_AddRef(IWinInetHttpInfo *iface)
 840 {
 841     HttpProtocol *This = impl_from_IWinInetHttpInfo(iface);
 842     return IInternetProtocolEx_AddRef(&This->IInternetProtocolEx_iface);
 843 }
 844
 845 static ULONG WINAPI HttpInfo_Release(IWinInetHttpInfo *iface)
 846 {
 847     HttpProtocol *This = impl_from_IWinInetHttpInfo(iface);
 848     return IInternetProtocolEx_Release(&This->IInternetProtocolEx_iface);
 849 }
 850
 851 static HRESULT WINAPI HttpInfo_QueryOption(IWinInetHttpInfo *iface, DWORD dwOption,
 852         void *pBuffer, DWORD *pcbBuffer)
 853 {
 854     HttpProtocol *This = impl_from_IWinInetHttpInfo(iface);
 855     TRACE("(%p)->(%x %p %p)\n", This, dwOption, pBuffer, pcbBuffer);
 856
 857     if(!This->base.request)
 858         return E_FAIL;
 859
 860     if(!InternetQueryOptionW(This->base.request, dwOption, pBuffer, pcbBuffer))
 861         return S_FALSE;
 862     return S_OK;
 863 }
 864
 865 static HRESULT WINAPI HttpInfo_QueryInfo(IWinInetHttpInfo *iface, DWORD dwOption,
 866         void *pBuffer, DWORD *pcbBuffer, DWORD *pdwFlags, DWORD *pdwReserved)
 867 {
 868     HttpProtocol *This = impl_from_IWinInetHttpInfo(iface);
 869     TRACE("(%p)->(%x %p %p %p %p)\n", This, dwOption, pBuffer, pcbBuffer, pdwFlags, pdwReserved);
 870
 871     if(!This->base.request)
 872         return E_FAIL;
 873
 874     if(!HttpQueryInfoW(This->base.request, dwOption, pBuffer, pcbBuffer, pdwFlags)) {
 875         if(pBuffer)
 876             memset(pBuffer, 0, *pcbBuffer);
 877         return S_OK;
 878     }
 879     return S_OK;
 880 }
 881
 882 static const IWinInetHttpInfoVtbl WinInetHttpInfoVtbl = {
 883     HttpInfo_QueryInterface,
 884     HttpInfo_AddRef,
 885     HttpInfo_Release,
 886     HttpInfo_QueryOption,
 887     HttpInfo_QueryInfo
 888 };
 889
 890 static HRESULT create_http_protocol(BOOL https, void **ppobj)
 891 {
 892     HttpProtocol *ret;
 893
 894     ret = heap_alloc_zero(sizeof(HttpProtocol));
 895     if(!ret)
 896         return E_OUTOFMEMORY;
 897
 898     ret->base.vtbl = &AsyncProtocolVtbl;
 899     ret->IInternetProtocolEx_iface.lpVtbl = &HttpProtocolVtbl;
 900     ret->IInternetPriority_iface.lpVtbl   = &HttpPriorityVtbl;
 901     ret->IWinInetHttpInfo_iface.lpVtbl    = &WinInetHttpInfoVtbl;
 902
 903     ret->https = https;
 904     ret->ref = 1;
 905
 906     *ppobj = &ret->IInternetProtocolEx_iface;
 907
 908     URLMON_LockModule();
 909     return S_OK;
 910 }
 911
 912 HRESULT HttpProtocol_Construct(IUnknown *pUnkOuter, LPVOID *ppobj)
 913 {
 914     TRACE("(%p %p)\n", pUnkOuter, ppobj);
 915
 916     return create_http_protocol(FALSE, ppobj);
 917 }
 918
 919 HRESULT HttpSProtocol_Construct(IUnknown *pUnkOuter, LPVOID *ppobj)
 920 {
 921     TRACE("(%p %p)\n", pUnkOuter, ppobj);
 922
 923     return create_http_protocol(TRUE, ppobj);
 924 }