dlls/wininet/dialogs.c

   1 /*
   2  * Wininet
   3  *
   4  * Copyright 2003 Mike McCormack for CodeWeavers Inc.
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "ws2tcpip.h"
  22
  23 #include <stdarg.h>
  24
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "winuser.h"
  28 #include "winreg.h"
  29 #include "wininet.h"
  30 #include "winnetwk.h"
  31 #include "wine/debug.h"
  32 #include "winerror.h"
  33 #define NO_SHLWAPI_STREAM
  34 #include "shlwapi.h"
  35 #include "cryptuiapi.h"
  36
  37 #include "internet.h"
  38 #include "resource.h"
  39
  40 #define MAX_STRING_LEN 1024
  41
  42 WINE_DEFAULT_DEBUG_CHANNEL(wininet);
  43
  44 struct WININET_ErrorDlgParams
  45 {
  46     http_request_t *req;
  47     HWND       hWnd;
  48     DWORD      dwError;
  49     DWORD      dwFlags;
  50     LPVOID*    lppvData;
  51 };
  52
  53 /***********************************************************************
  54  *         WININET_GetAuthRealm
  55  *
  56  *  Determine the name of the (basic) Authentication realm
  57  */
  58 static BOOL WININET_GetAuthRealm( HINTERNET hRequest, LPWSTR szBuf, DWORD sz, BOOL proxy )
  59 {
  60     LPWSTR p, q;
  61     DWORD index, query;
  62
  63     if (proxy)
  64         query = HTTP_QUERY_PROXY_AUTHENTICATE;
  65     else
  66         query = HTTP_QUERY_WWW_AUTHENTICATE;
  67
  68     /* extract the Realm from the response and show it */
  69     index = 0;
  70     if( !HttpQueryInfoW( hRequest, query, szBuf, &sz, &index) )
  71         return FALSE;
  72
  73     /*
  74      * FIXME: maybe we should check that we're
  75      * dealing with 'Basic' Authentication
  76      */
  77     p = wcschr( szBuf, ' ' );
  78     if( !p || wcsncmp( p+1, L"realm=", lstrlenW(L"realm=") ) )
  79     {
  80         ERR("response wrong? (%s)\n", debugstr_w(szBuf));
  81         return FALSE;
  82     }
  83
  84     /* remove quotes */
  85     p += 7;
  86     if( *p == '"' )
  87     {
  88         p++;
  89         q = wcsrchr( p, '"' );
  90         if( q )
  91             *q = 0;
  92     }
  93     lstrcpyW( szBuf, p );
  94
  95     return TRUE;
  96 }
  97
  98 /* These two are not defined in the public headers */
  99 extern DWORD WINAPI WNetCachePassword(LPSTR,WORD,LPSTR,WORD,BYTE,WORD);
 100 extern DWORD WINAPI WNetGetCachedPassword(LPSTR,WORD,LPSTR,LPWORD,BYTE);
 101
 102 /***********************************************************************
 103  *         WININET_GetSetPassword
 104  */
 105 static BOOL WININET_GetSetPassword( HWND hdlg, LPCWSTR szServer,
 106                                     LPCWSTR szRealm, BOOL bSet )
 107 {
 108     WCHAR szResource[0x80], szUserPass[0x40];
 109     LPWSTR p;
 110     HWND hUserItem, hPassItem;
 111     DWORD r, dwMagic = 19;
 112     UINT r_len, u_len;
 113     WORD sz;
 114
 115     hUserItem = GetDlgItem( hdlg, IDC_USERNAME );
 116     hPassItem = GetDlgItem( hdlg, IDC_PASSWORD );
 117
 118     /* now try fetch the username and password */
 119     lstrcpyW( szResource, szServer);
 120     lstrcatW( szResource, L"/");
 121     lstrcatW( szResource, szRealm);
 122
 123     /*
 124      * WNetCachePassword is only concerned with the length
 125      * of the data stored (which we tell it) and it does
 126      * not use strlen() internally so we can add WCHAR data
 127      * instead of ASCII data and get it back the same way.
 128      */
 129     if( bSet )
 130     {
 131         szUserPass[0] = 0;
 132         GetWindowTextW( hUserItem, szUserPass, ARRAY_SIZE( szUserPass ) - 1 );
 133         lstrcatW(szUserPass, L":");
 134         u_len = lstrlenW( szUserPass );
 135         GetWindowTextW( hPassItem, szUserPass+u_len, ARRAY_SIZE( szUserPass ) - u_len );
 136
 137         r_len = (lstrlenW( szResource ) + 1)*sizeof(WCHAR);
 138         u_len = (lstrlenW( szUserPass ) + 1)*sizeof(WCHAR);
 139         r = WNetCachePassword( (CHAR*)szResource, r_len,
 140                                (CHAR*)szUserPass, u_len, dwMagic, 0 );
 141
 142         return ( r == WN_SUCCESS );
 143     }
 144
 145     sz = sizeof szUserPass;
 146     r_len = (lstrlenW( szResource ) + 1)*sizeof(WCHAR);
 147     r = WNetGetCachedPassword( (CHAR*)szResource, r_len,
 148                                (CHAR*)szUserPass, &sz, dwMagic );
 149     if( r != WN_SUCCESS )
 150         return FALSE;
 151
 152     p = wcschr( szUserPass, ':' );
 153     if( p )
 154     {
 155         *p = 0;
 156         SetWindowTextW( hUserItem, szUserPass );
 157         SetWindowTextW( hPassItem, p+1 );
 158     }
 159
 160     return TRUE;
 161 }
 162
 163 /***********************************************************************
 164  *         WININET_SetAuthorization
 165  */
 166 static BOOL WININET_SetAuthorization( http_request_t *request, LPWSTR username,
 167                                       LPWSTR password, BOOL proxy )
 168 {
 169     http_session_t *session = request->session;
 170     LPWSTR p, q;
 171
 172     p = heap_strdupW(username);
 173     if( !p )
 174         return FALSE;
 175
 176     q = heap_strdupW(password);
 177     if( !q )
 178     {
 179         heap_free(p);
 180         return FALSE;
 181     }
 182
 183     if (proxy)
 184     {
 185         appinfo_t *hIC = session->appInfo;
 186
 187         heap_free(hIC->proxyUsername);
 188         hIC->proxyUsername = p;
 189
 190         heap_free(hIC->proxyPassword);
 191         hIC->proxyPassword = q;
 192     }
 193     else
 194     {
 195         heap_free(session->userName);
 196         session->userName = p;
 197
 198         heap_free(session->password);
 199         session->password = q;
 200     }
 201
 202     return TRUE;
 203 }
 204
 205 /***********************************************************************
 206  *         WININET_ProxyPasswordDialog
 207  */
 208 static INT_PTR WINAPI WININET_ProxyPasswordDialog(
 209     HWND hdlg, UINT uMsg, WPARAM wParam, LPARAM lParam )
 210 {
 211     HWND hitem;
 212     struct WININET_ErrorDlgParams *params;
 213     WCHAR szRealm[0x80];
 214
 215     if( uMsg == WM_INITDIALOG )
 216     {
 217         TRACE("WM_INITDIALOG (%08Ix)\n", lParam);
 218
 219         /* save the parameter list */
 220         params = (struct WININET_ErrorDlgParams*) lParam;
 221         SetWindowLongPtrW( hdlg, GWLP_USERDATA, lParam );
 222
 223         /* extract the Realm from the proxy response and show it */
 224         if( WININET_GetAuthRealm( params->req->hdr.hInternet,
 225                                   szRealm, ARRAY_SIZE( szRealm ), TRUE ) )
 226         {
 227             hitem = GetDlgItem( hdlg, IDC_REALM );
 228             SetWindowTextW( hitem, szRealm );
 229         }
 230
 231         hitem = GetDlgItem( hdlg, IDC_PROXY );
 232         SetWindowTextW( hitem, params->req->session->appInfo->proxy );
 233
 234         WININET_GetSetPassword( hdlg, params->req->session->appInfo->proxy, szRealm, FALSE );
 235
 236         return TRUE;
 237     }
 238
 239     params = (struct WININET_ErrorDlgParams*)
 240                  GetWindowLongPtrW( hdlg, GWLP_USERDATA );
 241
 242     switch( uMsg )
 243     {
 244     case WM_COMMAND:
 245         if( wParam == IDOK )
 246         {
 247             WCHAR username[0x20], password[0x20];
 248
 249             username[0] = 0;
 250             hitem = GetDlgItem( hdlg, IDC_USERNAME );
 251             if( hitem )
 252                 GetWindowTextW( hitem, username, ARRAY_SIZE( username ));
 253
 254             password[0] = 0;
 255             hitem = GetDlgItem( hdlg, IDC_PASSWORD );
 256             if( hitem )
 257                 GetWindowTextW( hitem, password, ARRAY_SIZE( password ));
 258
 259             hitem = GetDlgItem( hdlg, IDC_SAVEPASSWORD );
 260             if( hitem &&
 261                 SendMessageW( hitem, BM_GETSTATE, 0, 0 ) &&
 262                 WININET_GetAuthRealm( params->req->hdr.hInternet,
 263                                       szRealm, ARRAY_SIZE( szRealm ), TRUE) )
 264                 WININET_GetSetPassword( hdlg, params->req->session->appInfo->proxy, szRealm, TRUE );
 265             WININET_SetAuthorization( params->req, username, password, TRUE );
 266
 267             EndDialog( hdlg, ERROR_INTERNET_FORCE_RETRY );
 268             return TRUE;
 269         }
 270         if( wParam == IDCANCEL )
 271         {
 272             EndDialog( hdlg, 0 );
 273             return TRUE;
 274         }
 275         break;
 276     }
 277     return FALSE;
 278 }
 279
 280 /***********************************************************************
 281  *         WININET_PasswordDialog
 282  */
 283 static INT_PTR WINAPI WININET_PasswordDialog(
 284     HWND hdlg, UINT uMsg, WPARAM wParam, LPARAM lParam )
 285 {
 286     HWND hitem;
 287     struct WININET_ErrorDlgParams *params;
 288     WCHAR szRealm[0x80];
 289
 290     if( uMsg == WM_INITDIALOG )
 291     {
 292         TRACE("WM_INITDIALOG (%08Ix)\n", lParam);
 293
 294         /* save the parameter list */
 295         params = (struct WININET_ErrorDlgParams*) lParam;
 296         SetWindowLongPtrW( hdlg, GWLP_USERDATA, lParam );
 297
 298         /* extract the Realm from the response and show it */
 299         if( WININET_GetAuthRealm( params->req->hdr.hInternet,
 300                                   szRealm, ARRAY_SIZE( szRealm ), FALSE ) )
 301         {
 302             hitem = GetDlgItem( hdlg, IDC_REALM );
 303             SetWindowTextW( hitem, szRealm );
 304         }
 305
 306         hitem = GetDlgItem( hdlg, IDC_SERVER );
 307         SetWindowTextW( hitem, params->req->session->hostName );
 308
 309         WININET_GetSetPassword( hdlg, params->req->session->hostName, szRealm, FALSE );
 310
 311         return TRUE;
 312     }
 313
 314     params = (struct WININET_ErrorDlgParams*)
 315                  GetWindowLongPtrW( hdlg, GWLP_USERDATA );
 316
 317     switch( uMsg )
 318     {
 319     case WM_COMMAND:
 320         if( wParam == IDOK )
 321         {
 322             WCHAR username[0x20], password[0x20];
 323
 324             username[0] = 0;
 325             hitem = GetDlgItem( hdlg, IDC_USERNAME );
 326             if( hitem )
 327                 GetWindowTextW( hitem, username, ARRAY_SIZE( username ));
 328
 329             password[0] = 0;
 330             hitem = GetDlgItem( hdlg, IDC_PASSWORD );
 331             if( hitem )
 332                 GetWindowTextW( hitem, password, ARRAY_SIZE( password ));
 333
 334             hitem = GetDlgItem( hdlg, IDC_SAVEPASSWORD );
 335             if( hitem &&
 336                 SendMessageW( hitem, BM_GETSTATE, 0, 0 ) &&
 337                 WININET_GetAuthRealm( params->req->hdr.hInternet,
 338                                       szRealm, ARRAY_SIZE( szRealm ), FALSE ))
 339             {
 340                 WININET_GetSetPassword( hdlg, params->req->session->hostName, szRealm, TRUE );
 341             }
 342             WININET_SetAuthorization( params->req, username, password, FALSE );
 343
 344             EndDialog( hdlg, ERROR_INTERNET_FORCE_RETRY );
 345             return TRUE;
 346         }
 347         if( wParam == IDCANCEL )
 348         {
 349             EndDialog( hdlg, 0 );
 350             return TRUE;
 351         }
 352         break;
 353     }
 354     return FALSE;
 355 }
 356
 357 /***********************************************************************
 358  *         WININET_InvalidCertificateDialog
 359  */
 360 static INT_PTR WINAPI WININET_InvalidCertificateDialog(
 361     HWND hdlg, UINT uMsg, WPARAM wParam, LPARAM lParam )
 362 {
 363     struct WININET_ErrorDlgParams *params;
 364     HWND hitem;
 365     WCHAR buf[1024];
 366
 367     if( uMsg == WM_INITDIALOG )
 368     {
 369         TRACE("WM_INITDIALOG (%08Ix)\n", lParam);
 370
 371         /* save the parameter list */
 372         params = (struct WININET_ErrorDlgParams*) lParam;
 373         SetWindowLongPtrW( hdlg, GWLP_USERDATA, lParam );
 374
 375         switch( params->dwError )
 376         {
 377         case ERROR_INTERNET_INVALID_CA:
 378             LoadStringW( WININET_hModule, IDS_CERT_CA_INVALID, buf, 1024 );
 379             break;
 380         case ERROR_INTERNET_SEC_CERT_DATE_INVALID:
 381             LoadStringW( WININET_hModule, IDS_CERT_DATE_INVALID, buf, 1024 );
 382             break;
 383         case ERROR_INTERNET_SEC_CERT_CN_INVALID:
 384             LoadStringW( WININET_hModule, IDS_CERT_CN_INVALID, buf, 1024 );
 385             break;
 386         case ERROR_INTERNET_SEC_CERT_ERRORS:
 387             /* FIXME: We should fetch information about the
 388              * certificate here and show all the relevant errors.
 389              */
 390             LoadStringW( WININET_hModule, IDS_CERT_ERRORS, buf, 1024 );
 391             break;
 392         default:
 393             FIXME( "No message for error %ld\n", params->dwError );
 394             buf[0] = '\0';
 395         }
 396
 397         hitem = GetDlgItem( hdlg, IDC_CERT_ERROR );
 398         SetWindowTextW( hitem, buf );
 399
 400         return TRUE;
 401     }
 402
 403     params = (struct WININET_ErrorDlgParams*)
 404                  GetWindowLongPtrW( hdlg, GWLP_USERDATA );
 405
 406     switch( uMsg )
 407     {
 408     case WM_COMMAND:
 409         if( wParam == IDOK )
 410         {
 411             if( params->dwFlags & FLAGS_ERROR_UI_FLAGS_CHANGE_OPTIONS )
 412             {
 413                 http_request_t *req = params->req;
 414                 DWORD flags, size = sizeof(flags);
 415
 416                 InternetQueryOptionW( req->hdr.hInternet, INTERNET_OPTION_SECURITY_FLAGS, &flags, &size );
 417                 switch( params->dwError )
 418                 {
 419                 case ERROR_INTERNET_INVALID_CA:
 420                     flags |= SECURITY_FLAG_IGNORE_UNKNOWN_CA;
 421                     break;
 422                 case ERROR_INTERNET_SEC_CERT_DATE_INVALID:
 423                     flags |= SECURITY_FLAG_IGNORE_CERT_DATE_INVALID;
 424                     break;
 425                 case ERROR_INTERNET_SEC_CERT_CN_INVALID:
 426                     flags |= SECURITY_FLAG_IGNORE_CERT_CN_INVALID;
 427                     break;
 428                 case ERROR_INTERNET_SEC_CERT_REV_FAILED:
 429                     flags |= SECURITY_FLAG_IGNORE_REVOCATION;
 430                     break;
 431                 case ERROR_INTERNET_SEC_CERT_ERRORS:
 432                     if(flags & _SECURITY_FLAG_CERT_REV_FAILED)
 433                         flags |= SECURITY_FLAG_IGNORE_REVOCATION;
 434                     if(flags & _SECURITY_FLAG_CERT_INVALID_CA)
 435                         flags |= SECURITY_FLAG_IGNORE_UNKNOWN_CA;
 436                     if(flags & _SECURITY_FLAG_CERT_INVALID_CN)
 437                         flags |= SECURITY_FLAG_IGNORE_CERT_CN_INVALID;
 438                     if(flags & _SECURITY_FLAG_CERT_INVALID_DATE)
 439                         flags |= SECURITY_FLAG_IGNORE_CERT_DATE_INVALID;
 440                     break;
 441                 }
 442                 /* FIXME: Use helper function */
 443                 flags |= SECURITY_FLAG_SECURE;
 444                 req->security_flags |= flags;
 445                 if(is_valid_netconn(req->netconn))
 446                     req->netconn->security_flags |= flags;
 447             }
 448
 449             EndDialog( hdlg, ERROR_SUCCESS );
 450             return TRUE;
 451         }
 452         if( wParam == IDCANCEL )
 453         {
 454             TRACE("Pressed cancel.\n");
 455
 456             EndDialog( hdlg, ERROR_CANCELLED );
 457             return TRUE;
 458         }
 459         break;
 460     }
 461
 462     return FALSE;
 463 }
 464
 465 /***********************************************************************
 466  *         InternetErrorDlg
 467  */
 468 DWORD WINAPI InternetErrorDlg(HWND hWnd, HINTERNET hRequest,
 469                  DWORD dwError, DWORD dwFlags, LPVOID* lppvData)
 470 {
 471     struct WININET_ErrorDlgParams params;
 472     http_request_t *req = NULL;
 473     DWORD res = ERROR_SUCCESS;
 474
 475     TRACE("%p %p %ld %08lx %p\n", hWnd, hRequest, dwError, dwFlags, lppvData);
 476
 477     if( !hWnd && !(dwFlags & FLAGS_ERROR_UI_FLAGS_NO_UI) )
 478         return ERROR_INVALID_HANDLE;
 479
 480     if(hRequest) {
 481         req = (http_request_t*)get_handle_object(hRequest);
 482         if(!req)
 483             return ERROR_INVALID_HANDLE;
 484         if(req->hdr.htype != WH_HHTTPREQ)
 485             return ERROR_SUCCESS; /* Yes, that was tested */
 486     }
 487
 488     params.req = req;
 489     params.hWnd = hWnd;
 490     params.dwError = dwError;
 491     params.dwFlags = dwFlags;
 492     params.lppvData = lppvData;
 493
 494     switch( dwError )
 495     {
 496     case ERROR_SUCCESS:
 497     case ERROR_INTERNET_INCORRECT_PASSWORD: {
 498         if( !dwError && !(dwFlags & FLAGS_ERROR_UI_FILTER_FOR_ERRORS ) )
 499             break;
 500         if(!req)
 501             return ERROR_INVALID_PARAMETER;
 502
 503         switch(req->status_code) {
 504         case HTTP_STATUS_PROXY_AUTH_REQ:
 505             res = DialogBoxParamW( WININET_hModule, MAKEINTRESOURCEW( IDD_PROXYDLG ),
 506                                    hWnd, WININET_ProxyPasswordDialog, (LPARAM) &params );
 507             break;
 508         case HTTP_STATUS_DENIED:
 509             res = DialogBoxParamW( WININET_hModule, MAKEINTRESOURCEW( IDD_AUTHDLG ),
 510                                     hWnd, WININET_PasswordDialog, (LPARAM) &params );
 511             break;
 512         default:
 513             WARN("unhandled status %lu\n", req->status_code);
 514         }
 515         break;
 516     }
 517
 518     case ERROR_INTERNET_CLIENT_AUTH_CERT_NEEDED:
 519         if(!req)
 520             return ERROR_INVALID_PARAMETER;
 521         /* fall through */
 522     case ERROR_INTERNET_SEC_CERT_ERRORS:
 523     case ERROR_INTERNET_SEC_CERT_CN_INVALID:
 524     case ERROR_INTERNET_SEC_CERT_DATE_INVALID:
 525     case ERROR_INTERNET_INVALID_CA:
 526     case ERROR_INTERNET_SEC_CERT_REV_FAILED:
 527     case ERROR_INTERNET_SEC_CERT_WEAK_SIGNATURE:
 528         if( dwFlags & FLAGS_ERROR_UI_FLAGS_NO_UI ) {
 529             res = ERROR_CANCELLED;
 530             break;
 531         }
 532
 533         if( dwFlags & ~FLAGS_ERROR_UI_FLAGS_CHANGE_OPTIONS )
 534             FIXME("%08lx contains unsupported flags.\n", dwFlags);
 535
 536         res = DialogBoxParamW( WININET_hModule, MAKEINTRESOURCEW( IDD_INVCERTDLG ),
 537                                hWnd, WININET_InvalidCertificateDialog, (LPARAM) &params );
 538         break;
 539
 540     case ERROR_HTTP_COOKIE_NEEDS_CONFIRMATION:
 541         if(dwFlags & FLAGS_ERROR_UI_FLAGS_NO_UI) {
 542             res = ERROR_HTTP_COOKIE_DECLINED;
 543             break;
 544         }
 545         FIXME("Need to display dialog for error %ld\n", dwError);
 546         res = ERROR_CANCELLED;
 547         break;
 548
 549     case ERROR_INTERNET_INSERT_CDROM:
 550         if(!req)
 551             return ERROR_INVALID_PARAMETER;
 552         /* fall through */
 553     case ERROR_HTTP_REDIRECT_NEEDS_CONFIRMATION:
 554     case ERROR_INTERNET_BAD_AUTO_PROXY_SCRIPT:
 555     case ERROR_INTERNET_UNABLE_TO_DOWNLOAD_SCRIPT:
 556     case ERROR_INTERNET_MIXED_SECURITY:
 557     case ERROR_INTERNET_HTTPS_HTTP_SUBMIT_REDIR:
 558         if(!(dwFlags & FLAGS_ERROR_UI_FLAGS_NO_UI))
 559             FIXME("Need to display dialog for error %ld\n", dwError);
 560         res = ERROR_CANCELLED;
 561         break;
 562
 563     case ERROR_INTERNET_HTTPS_TO_HTTP_ON_REDIR:
 564     case ERROR_INTERNET_CHG_POST_IS_NON_SECURE:
 565         if(dwFlags & FLAGS_ERROR_UI_FLAGS_NO_UI) {
 566             res = ERROR_SUCCESS;
 567             break;
 568         }
 569         FIXME("Need to display dialog for error %ld\n", dwError);
 570         res = ERROR_CANCELLED;
 571         break;
 572
 573     case ERROR_INTERNET_HTTP_TO_HTTPS_ON_REDIR:
 574     case ERROR_INTERNET_POST_IS_NON_SECURE:
 575         if (!(dwFlags & FLAGS_ERROR_UI_FLAGS_NO_UI))
 576             FIXME("Need to display dialog for error %ld\n", dwError);
 577         res = ERROR_SUCCESS;
 578         break;
 579
 580     default:
 581         if(!(dwFlags & FLAGS_ERROR_UI_FILTER_FOR_ERRORS))
 582             res = ERROR_CANCELLED;
 583         break;
 584     }
 585
 586     if(req)
 587         WININET_Release(&req->hdr);
 588     return res;
 589 }
 590
 591 /***********************************************************************
 592  *           InternetShowSecurityInfoByURLA (@)
 593  */
 594 BOOL WINAPI InternetShowSecurityInfoByURLA(LPCSTR url, HWND window)
 595 {
 596    FIXME("stub: %s %p\n", url, window);
 597    return FALSE;
 598 }
 599
 600 /***********************************************************************
 601  *           InternetShowSecurityInfoByURLW (@)
 602  */
 603 BOOL WINAPI InternetShowSecurityInfoByURLW(LPCWSTR url, HWND window)
 604 {
 605    FIXME("stub: %s %p\n", debugstr_w(url), window);
 606    return FALSE;
 607 }
 608
 609 /***********************************************************************
 610  *           ParseX509EncodedCertificateForListBoxEntry (@)
 611  */
 612 DWORD WINAPI ParseX509EncodedCertificateForListBoxEntry(LPBYTE cert, DWORD len, LPSTR szlistbox, LPDWORD listbox)
 613 {
 614    FIXME("stub: %p %ld %s %p\n", cert, len, debugstr_a(szlistbox), listbox);
 615    return ERROR_CALL_NOT_IMPLEMENTED;
 616 }
 617
 618 /***********************************************************************
 619  *           ShowX509EncodedCertificate (@)
 620  */
 621 DWORD WINAPI ShowX509EncodedCertificate(HWND parent, LPBYTE cert, DWORD len)
 622 {
 623     PCCERT_CONTEXT certContext = CertCreateCertificateContext(X509_ASN_ENCODING,
 624         cert, len);
 625     DWORD ret;
 626
 627     if (certContext)
 628     {
 629         CRYPTUI_VIEWCERTIFICATE_STRUCTW view;
 630
 631         memset(&view, 0, sizeof(view));
 632         view.hwndParent = parent;
 633         view.pCertContext = certContext;
 634         if (CryptUIDlgViewCertificateW(&view, NULL))
 635             ret = ERROR_SUCCESS;
 636         else
 637             ret = GetLastError();
 638         CertFreeCertificateContext(certContext);
 639     }
 640     else
 641         ret = GetLastError();
 642     return ret;
 643 }