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