git.oblomov.eu Git - wine/blob - dlls/wininet/internet.c

   1 /*
   2  * Wininet
   3  *
   4  * Copyright 1999 Corel Corporation
   5  * Copyright 2002 CodeWeavers Inc.
   6  * Copyright 2002 Jaco Greeff
   7  * Copyright 2002 TransGaming Technologies Inc.
   8  * Copyright 2004 Mike McCormack for CodeWeavers
   9  *
  10  * Ulrich Czekalla
  11  * Aric Stewart
  12  * David Hammerton
  13  *
  14  * This library is free software; you can redistribute it and/or
  15  * modify it under the terms of the GNU Lesser General Public
  16  * License as published by the Free Software Foundation; either
  17  * version 2.1 of the License, or (at your option) any later version.
  18  *
  19  * This library is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  22  * Lesser General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU Lesser General Public
  25  * License along with this library; if not, write to the Free Software
  26  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  27  */
  28
  29 #include "config.h"
  30 #include "wine/port.h"
  31
  32 #define MAXHOSTNAME 100 /* from http.c */
  33
  34 #include <string.h>
  35 #include <stdarg.h>
  36 #include <stdio.h>
  37 #include <sys/types.h>
  38 #ifdef HAVE_SYS_SOCKET_H
  39 # include <sys/socket.h>
  40 #endif
  41 #ifdef HAVE_SYS_TIME_H
  42 # include <sys/time.h>
  43 #endif
  44 #include <stdlib.h>
  45 #include <ctype.h>
  46 #ifdef HAVE_UNISTD_H
  47 # include <unistd.h>
  48 #endif
  49 #include <assert.h>
  50
  51 #include "windef.h"
  52 #include "winbase.h"
  53 #include "winreg.h"
  54 #include "winuser.h"
  55 #include "wininet.h"
  56 #include "winineti.h"
  57 #include "winnls.h"
  58 #include "wine/debug.h"
  59 #include "winerror.h"
  60 #define NO_SHLWAPI_STREAM
  61 #include "shlwapi.h"
  62 #include "wincrypt.h"
  63
  64 #include "wine/exception.h"
  65
  66 #include "internet.h"
  67 #include "resource.h"
  68
  69 #include "wine/unicode.h"
  70
  71 WINE_DEFAULT_DEBUG_CHANNEL(wininet);
  72
  73 #define RESPONSE_TIMEOUT        30
  74
  75 typedef struct
  76 {
  77     DWORD  dwError;
  78     CHAR   response[MAX_REPLY_LEN];
  79 } WITHREADERROR, *LPWITHREADERROR;
  80
  81 static VOID INTERNET_CloseHandle(LPWININETHANDLEHEADER hdr);
  82 HINTERNET WINAPI INTERNET_InternetOpenUrlW(LPWININETAPPINFOW hIC, LPCWSTR lpszUrl,
  83               LPCWSTR lpszHeaders, DWORD dwHeadersLength, DWORD dwFlags, DWORD_PTR dwContext);
  84
  85 static DWORD g_dwTlsErrIndex = TLS_OUT_OF_INDEXES;
  86 static HMODULE WININET_hModule;
  87
  88 #define HANDLE_CHUNK_SIZE 0x10
  89
  90 static CRITICAL_SECTION WININET_cs;
  91 static CRITICAL_SECTION_DEBUG WININET_cs_debug =
  92 {
  93     0, 0, &WININET_cs,
  94     { &WININET_cs_debug.ProcessLocksList, &WININET_cs_debug.ProcessLocksList },
  95       0, 0, { (DWORD_PTR)(__FILE__ ": WININET_cs") }
  96 };
  97 static CRITICAL_SECTION WININET_cs = { &WININET_cs_debug, -1, 0, 0, 0, 0 };
  98
  99 static LPWININETHANDLEHEADER *WININET_Handles;
 100 static UINT WININET_dwNextHandle;
 101 static UINT WININET_dwMaxHandles;
 102
 103 HINTERNET WININET_AllocHandle( LPWININETHANDLEHEADER info )
 104 {
 105     LPWININETHANDLEHEADER *p;
 106     UINT handle = 0, num;
 107
 108     list_init( &info->children );
 109
 110     EnterCriticalSection( &WININET_cs );
 111     if( !WININET_dwMaxHandles )
 112     {
 113         num = HANDLE_CHUNK_SIZE;
 114         p = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
 115                    sizeof (UINT)* num);
 116         if( !p )
 117             goto end;
 118         WININET_Handles = p;
 119         WININET_dwMaxHandles = num;
 120     }
 121     if( WININET_dwMaxHandles == WININET_dwNextHandle )
 122     {
 123         num = WININET_dwMaxHandles + HANDLE_CHUNK_SIZE;
 124         p = HeapReAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
 125                    WININET_Handles, sizeof (UINT)* num);
 126         if( !p )
 127             goto end;
 128         WININET_Handles = p;
 129         WININET_dwMaxHandles = num;
 130     }
 131
 132     handle = WININET_dwNextHandle;
 133     if( WININET_Handles[handle] )
 134         ERR("handle isn't free but should be\n");
 135     WININET_Handles[handle] = WININET_AddRef( info );
 136
 137     while( WININET_Handles[WININET_dwNextHandle] &&
 138            (WININET_dwNextHandle < WININET_dwMaxHandles ) )
 139         WININET_dwNextHandle++;
 140
 141 end:
 142     LeaveCriticalSection( &WININET_cs );
 143
 144     return info->hInternet = (HINTERNET) (handle+1);
 145 }
 146
 147 LPWININETHANDLEHEADER WININET_AddRef( LPWININETHANDLEHEADER info )
 148 {
 149     info->dwRefCount++;
 150     TRACE("%p -> refcount = %d\n", info, info->dwRefCount );
 151     return info;
 152 }
 153
 154 LPWININETHANDLEHEADER WININET_GetObject( HINTERNET hinternet )
 155 {
 156     LPWININETHANDLEHEADER info = NULL;
 157     UINT handle = (UINT) hinternet;
 158
 159     EnterCriticalSection( &WININET_cs );
 160
 161     if( (handle > 0) && ( handle <= WININET_dwMaxHandles ) &&
 162         WININET_Handles[handle-1] )
 163         info = WININET_AddRef( WININET_Handles[handle-1] );
 164
 165     LeaveCriticalSection( &WININET_cs );
 166
 167     TRACE("handle %d -> %p\n", handle, info);
 168
 169     return info;
 170 }
 171
 172 BOOL WININET_Release( LPWININETHANDLEHEADER info )
 173 {
 174     info->dwRefCount--;
 175     TRACE( "object %p refcount = %d\n", info, info->dwRefCount );
 176     if( !info->dwRefCount )
 177     {
 178         if ( info->close_connection )
 179         {
 180             TRACE( "closing connection %p\n", info);
 181             info->close_connection( info );
 182         }
 183         INTERNET_SendCallback(info, info->dwContext,
 184                               INTERNET_STATUS_HANDLE_CLOSING, &info->hInternet,
 185                               sizeof(HINTERNET));
 186         TRACE( "destroying object %p\n", info);
 187         if ( info->htype != WH_HINIT )
 188             list_remove( &info->entry );
 189         info->destroy( info );
 190     }
 191     return TRUE;
 192 }
 193
 194 BOOL WININET_FreeHandle( HINTERNET hinternet )
 195 {
 196     BOOL ret = FALSE;
 197     UINT handle = (UINT) hinternet;
 198     LPWININETHANDLEHEADER info = NULL, child, next;
 199
 200     EnterCriticalSection( &WININET_cs );
 201
 202     if( (handle > 0) && ( handle <= WININET_dwMaxHandles ) )
 203     {
 204         handle--;
 205         if( WININET_Handles[handle] )
 206         {
 207             info = WININET_Handles[handle];
 208             TRACE( "destroying handle %d for object %p\n", handle+1, info);
 209             WININET_Handles[handle] = NULL;
 210             ret = TRUE;
 211         }
 212     }
 213
 214     LeaveCriticalSection( &WININET_cs );
 215
 216     /* As on native when the equivalent of WININET_Release is called, the handle
 217      * is already invalid, but if a new handle is created at this time it does
 218      * not yet get assigned the freed handle number */
 219     if( info )
 220     {
 221         /* Free all children as native does */
 222         LIST_FOR_EACH_ENTRY_SAFE( child, next, &info->children, WININETHANDLEHEADER, entry )
 223         {
 224             TRACE( "freeing child handle %d for parent handle %d\n",
 225                    (UINT)child->hInternet, handle+1);
 226             WININET_FreeHandle( child->hInternet );
 227         }
 228         WININET_Release( info );
 229     }
 230
 231     EnterCriticalSection( &WININET_cs );
 232
 233     if( WININET_dwNextHandle > handle && !WININET_Handles[handle] )
 234         WININET_dwNextHandle = handle;
 235
 236     LeaveCriticalSection( &WININET_cs );
 237
 238     return ret;
 239 }
 240
 241 /***********************************************************************
 242  * DllMain [Internal] Initializes the internal 'WININET.DLL'.
 243  *
 244  * PARAMS
 245  *     hinstDLL    [I] handle to the DLL's instance
 246  *     fdwReason   [I]
 247  *     lpvReserved [I] reserved, must be NULL
 248  *
 249  * RETURNS
 250  *     Success: TRUE
 251  *     Failure: FALSE
 252  */
 253
 254 BOOL WINAPI DllMain (HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
 255 {
 256     TRACE("%p,%x,%p\n", hinstDLL, fdwReason, lpvReserved);
 257
 258     switch (fdwReason) {
 259         case DLL_PROCESS_ATTACH:
 260
 261             g_dwTlsErrIndex = TlsAlloc();
 262
 263             if (g_dwTlsErrIndex == TLS_OUT_OF_INDEXES)
 264                 return FALSE;
 265
 266             URLCacheContainers_CreateDefaults();
 267
 268             WININET_hModule = (HMODULE)hinstDLL;
 269
 270         case DLL_THREAD_ATTACH:
 271             break;
 272
 273         case DLL_THREAD_DETACH:
 274             if (g_dwTlsErrIndex != TLS_OUT_OF_INDEXES)
 275                         {
 276                                 LPVOID lpwite = TlsGetValue(g_dwTlsErrIndex);
 277                                 HeapFree(GetProcessHeap(), 0, lpwite);
 278                         }
 279             break;
 280
 281         case DLL_PROCESS_DETACH:
 282
 283             URLCacheContainers_DeleteAll();
 284
 285             if (g_dwTlsErrIndex != TLS_OUT_OF_INDEXES)
 286             {
 287                 HeapFree(GetProcessHeap(), 0, TlsGetValue(g_dwTlsErrIndex));
 288                 TlsFree(g_dwTlsErrIndex);
 289             }
 290             break;
 291     }
 292
 293     return TRUE;
 294 }
 295
 296
 297 /***********************************************************************
 298  *           InternetInitializeAutoProxyDll   (WININET.@)
 299  *
 300  * Setup the internal proxy
 301  *
 302  * PARAMETERS
 303  *     dwReserved
 304  *
 305  * RETURNS
 306  *     FALSE on failure
 307  *
 308  */
 309 BOOL WINAPI InternetInitializeAutoProxyDll(DWORD dwReserved)
 310 {
 311     FIXME("STUB\n");
 312     INTERNET_SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
 313     return FALSE;
 314 }
 315
 316 /***********************************************************************
 317  *           DetectAutoProxyUrl   (WININET.@)
 318  *
 319  * Auto detect the proxy url
 320  *
 321  * RETURNS
 322  *     FALSE on failure
 323  *
 324  */
 325 BOOL WINAPI DetectAutoProxyUrl(LPSTR lpszAutoProxyUrl,
 326         DWORD dwAutoProxyUrlLength, DWORD dwDetectFlags)
 327 {
 328     FIXME("STUB\n");
 329     INTERNET_SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
 330     return FALSE;
 331 }
 332
 333
 334 /***********************************************************************
 335  *           INTERNET_ConfigureProxyFromReg
 336  *
 337  * FIXME:
 338  * The proxy may be specified in the form 'http=proxy.my.org'
 339  * Presumably that means there can be ftp=ftpproxy.my.org too.
 340  */
 341 static BOOL INTERNET_ConfigureProxyFromReg( LPWININETAPPINFOW lpwai )
 342 {
 343     HKEY key;
 344     DWORD r, keytype, len, enabled;
 345     LPCSTR lpszInternetSettings =
 346         "Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings";
 347     static const WCHAR szProxyServer[] = { 'P','r','o','x','y','S','e','r','v','e','r', 0 };
 348
 349     r = RegOpenKeyA(HKEY_CURRENT_USER, lpszInternetSettings, &key);
 350     if ( r != ERROR_SUCCESS )
 351         return FALSE;
 352
 353     len = sizeof enabled;
 354     r = RegQueryValueExA( key, "ProxyEnable", NULL, &keytype,
 355                           (BYTE*)&enabled, &len);
 356     if( (r == ERROR_SUCCESS) && enabled )
 357     {
 358         TRACE("Proxy is enabled.\n");
 359
 360         /* figure out how much memory the proxy setting takes */
 361         r = RegQueryValueExW( key, szProxyServer, NULL, &keytype,
 362                               NULL, &len);
 363         if( (r == ERROR_SUCCESS) && len && (keytype == REG_SZ) )
 364         {
 365             LPWSTR szProxy, p;
 366             static const WCHAR szHttp[] = {'h','t','t','p','=',0};
 367
 368             szProxy=HeapAlloc( GetProcessHeap(), 0, len );
 369             RegQueryValueExW( key, szProxyServer, NULL, &keytype,
 370                               (BYTE*)szProxy, &len);
 371
 372             /* find the http proxy, and strip away everything else */
 373             p = strstrW( szProxy, szHttp );
 374             if( p )
 375             {
 376                  p += lstrlenW(szHttp);
 377                  lstrcpyW( szProxy, p );
 378             }
 379             p = strchrW( szProxy, ' ' );
 380             if( p )
 381                 *p = 0;
 382
 383             lpwai->dwAccessType = INTERNET_OPEN_TYPE_PROXY;
 384             lpwai->lpszProxy = szProxy;
 385
 386             TRACE("http proxy = %s\n", debugstr_w(lpwai->lpszProxy));
 387         }
 388         else
 389             ERR("Couldn't read proxy server settings.\n");
 390     }
 391     else
 392         TRACE("Proxy is not enabled.\n");
 393     RegCloseKey(key);
 394
 395     return enabled;
 396 }
 397
 398 /***********************************************************************
 399  *           dump_INTERNET_FLAGS
 400  *
 401  * Helper function to TRACE the internet flags.
 402  *
 403  * RETURNS
 404  *    None
 405  *
 406  */
 407 static void dump_INTERNET_FLAGS(DWORD dwFlags)
 408 {
 409 #define FE(x) { x, #x }
 410     static const wininet_flag_info flag[] = {
 411         FE(INTERNET_FLAG_RELOAD),
 412         FE(INTERNET_FLAG_RAW_DATA),
 413         FE(INTERNET_FLAG_EXISTING_CONNECT),
 414         FE(INTERNET_FLAG_ASYNC),
 415         FE(INTERNET_FLAG_PASSIVE),
 416         FE(INTERNET_FLAG_NO_CACHE_WRITE),
 417         FE(INTERNET_FLAG_MAKE_PERSISTENT),
 418         FE(INTERNET_FLAG_FROM_CACHE),
 419         FE(INTERNET_FLAG_SECURE),
 420         FE(INTERNET_FLAG_KEEP_CONNECTION),
 421         FE(INTERNET_FLAG_NO_AUTO_REDIRECT),
 422         FE(INTERNET_FLAG_READ_PREFETCH),
 423         FE(INTERNET_FLAG_NO_COOKIES),
 424         FE(INTERNET_FLAG_NO_AUTH),
 425         FE(INTERNET_FLAG_CACHE_IF_NET_FAIL),
 426         FE(INTERNET_FLAG_IGNORE_REDIRECT_TO_HTTP),
 427         FE(INTERNET_FLAG_IGNORE_REDIRECT_TO_HTTPS),
 428         FE(INTERNET_FLAG_IGNORE_CERT_DATE_INVALID),
 429         FE(INTERNET_FLAG_IGNORE_CERT_CN_INVALID),
 430         FE(INTERNET_FLAG_RESYNCHRONIZE),
 431         FE(INTERNET_FLAG_HYPERLINK),
 432         FE(INTERNET_FLAG_NO_UI),
 433         FE(INTERNET_FLAG_PRAGMA_NOCACHE),
 434         FE(INTERNET_FLAG_CACHE_ASYNC),
 435         FE(INTERNET_FLAG_FORMS_SUBMIT),
 436         FE(INTERNET_FLAG_NEED_FILE),
 437         FE(INTERNET_FLAG_TRANSFER_ASCII),
 438         FE(INTERNET_FLAG_TRANSFER_BINARY)
 439     };
 440 #undef FE
 441     int i;
 442
 443     for (i = 0; i < (sizeof(flag) / sizeof(flag[0])); i++) {
 444         if (flag[i].val & dwFlags) {
 445             TRACE(" %s", flag[i].name);
 446             dwFlags &= ~flag[i].val;
 447         }
 448     }
 449     if (dwFlags)
 450         TRACE(" Unknown flags (%08x)\n", dwFlags);
 451     else
 452         TRACE("\n");
 453 }
 454
 455 /***********************************************************************
 456  *           InternetOpenW   (WININET.@)
 457  *
 458  * Per-application initialization of wininet
 459  *
 460  * RETURNS
 461  *    HINTERNET on success
 462  *    NULL on failure
 463  *
 464  */
 465 HINTERNET WINAPI InternetOpenW(LPCWSTR lpszAgent, DWORD dwAccessType,
 466     LPCWSTR lpszProxy, LPCWSTR lpszProxyBypass, DWORD dwFlags)
 467 {
 468     LPWININETAPPINFOW lpwai = NULL;
 469     HINTERNET handle = NULL;
 470
 471     if (TRACE_ON(wininet)) {
 472 #define FE(x) { x, #x }
 473         static const wininet_flag_info access_type[] = {
 474             FE(INTERNET_OPEN_TYPE_PRECONFIG),
 475             FE(INTERNET_OPEN_TYPE_DIRECT),
 476             FE(INTERNET_OPEN_TYPE_PROXY),
 477             FE(INTERNET_OPEN_TYPE_PRECONFIG_WITH_NO_AUTOPROXY)
 478         };
 479 #undef FE
 480         DWORD i;
 481         const char *access_type_str = "Unknown";
 482
 483         TRACE("(%s, %i, %s, %s, %i)\n", debugstr_w(lpszAgent), dwAccessType,
 484               debugstr_w(lpszProxy), debugstr_w(lpszProxyBypass), dwFlags);
 485         for (i = 0; i < (sizeof(access_type) / sizeof(access_type[0])); i++) {
 486             if (access_type[i].val == dwAccessType) {
 487                 access_type_str = access_type[i].name;
 488                 break;
 489             }
 490         }
 491         TRACE("  access type : %s\n", access_type_str);
 492         TRACE("  flags       :");
 493         dump_INTERNET_FLAGS(dwFlags);
 494     }
 495
 496     /* Clear any error information */
 497     INTERNET_SetLastError(0);
 498
 499     lpwai = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(WININETAPPINFOW));
 500     if (NULL == lpwai)
 501     {
 502         INTERNET_SetLastError(ERROR_OUTOFMEMORY);
 503         goto lend;
 504     }
 505
 506     lpwai->hdr.htype = WH_HINIT;
 507     lpwai->hdr.dwFlags = dwFlags;
 508     lpwai->hdr.dwRefCount = 1;
 509     lpwai->hdr.close_connection = NULL;
 510     lpwai->hdr.destroy = INTERNET_CloseHandle;
 511     lpwai->dwAccessType = dwAccessType;
 512     lpwai->lpszProxyUsername = NULL;
 513     lpwai->lpszProxyPassword = NULL;
 514
 515     handle = WININET_AllocHandle( &lpwai->hdr );
 516     if( !handle )
 517     {
 518         HeapFree( GetProcessHeap(), 0, lpwai );
 519         INTERNET_SetLastError(ERROR_OUTOFMEMORY);
 520         goto lend;
 521     }
 522
 523     if (NULL != lpszAgent)
 524     {
 525         lpwai->lpszAgent = HeapAlloc( GetProcessHeap(),0,
 526                                       (strlenW(lpszAgent)+1)*sizeof(WCHAR));
 527         if (lpwai->lpszAgent)
 528             lstrcpyW( lpwai->lpszAgent, lpszAgent );
 529     }
 530     if(dwAccessType == INTERNET_OPEN_TYPE_PRECONFIG)
 531         INTERNET_ConfigureProxyFromReg( lpwai );
 532     else if (NULL != lpszProxy)
 533     {
 534         lpwai->lpszProxy = HeapAlloc( GetProcessHeap(), 0,
 535                                       (strlenW(lpszProxy)+1)*sizeof(WCHAR));
 536         if (lpwai->lpszProxy)
 537             lstrcpyW( lpwai->lpszProxy, lpszProxy );
 538     }
 539
 540     if (NULL != lpszProxyBypass)
 541     {
 542         lpwai->lpszProxyBypass = HeapAlloc( GetProcessHeap(), 0,
 543                                      (strlenW(lpszProxyBypass)+1)*sizeof(WCHAR));
 544         if (lpwai->lpszProxyBypass)
 545             lstrcpyW( lpwai->lpszProxyBypass, lpszProxyBypass );
 546     }
 547
 548 lend:
 549     if( lpwai )
 550         WININET_Release( &lpwai->hdr );
 551
 552     TRACE("returning %p\n", lpwai);
 553
 554     return handle;
 555 }
 556
 557
 558 /***********************************************************************
 559  *           InternetOpenA   (WININET.@)
 560  *
 561  * Per-application initialization of wininet
 562  *
 563  * RETURNS
 564  *    HINTERNET on success
 565  *    NULL on failure
 566  *
 567  */
 568 HINTERNET WINAPI InternetOpenA(LPCSTR lpszAgent, DWORD dwAccessType,
 569     LPCSTR lpszProxy, LPCSTR lpszProxyBypass, DWORD dwFlags)
 570 {
 571     HINTERNET rc = (HINTERNET)NULL;
 572     INT len;
 573     WCHAR *szAgent = NULL, *szProxy = NULL, *szBypass = NULL;
 574
 575     TRACE("(%s, 0x%08x, %s, %s, 0x%08x)\n", debugstr_a(lpszAgent),
 576        dwAccessType, debugstr_a(lpszProxy), debugstr_a(lpszProxyBypass), dwFlags);
 577
 578     if( lpszAgent )
 579     {
 580         len = MultiByteToWideChar(CP_ACP, 0, lpszAgent, -1, NULL, 0);
 581         szAgent = HeapAlloc(GetProcessHeap(), 0, len*sizeof(WCHAR));
 582         MultiByteToWideChar(CP_ACP, 0, lpszAgent, -1, szAgent, len);
 583     }
 584
 585     if( lpszProxy )
 586     {
 587         len = MultiByteToWideChar(CP_ACP, 0, lpszProxy, -1, NULL, 0);
 588         szProxy = HeapAlloc(GetProcessHeap(), 0, len*sizeof(WCHAR));
 589         MultiByteToWideChar(CP_ACP, 0, lpszProxy, -1, szProxy, len);
 590     }
 591
 592     if( lpszProxyBypass )
 593     {
 594         len = MultiByteToWideChar(CP_ACP, 0, lpszProxyBypass, -1, NULL, 0);
 595         szBypass = HeapAlloc(GetProcessHeap(), 0, len*sizeof(WCHAR));
 596         MultiByteToWideChar(CP_ACP, 0, lpszProxyBypass, -1, szBypass, len);
 597     }
 598
 599     rc = InternetOpenW(szAgent, dwAccessType, szProxy, szBypass, dwFlags);
 600
 601     HeapFree(GetProcessHeap(), 0, szAgent);
 602     HeapFree(GetProcessHeap(), 0, szProxy);
 603     HeapFree(GetProcessHeap(), 0, szBypass);
 604
 605     return rc;
 606 }
 607
 608 /***********************************************************************
 609  *           InternetGetLastResponseInfoA (WININET.@)
 610  *
 611  * Return last wininet error description on the calling thread
 612  *
 613  * RETURNS
 614  *    TRUE on success of writing to buffer
 615  *    FALSE on failure
 616  *
 617  */
 618 BOOL WINAPI InternetGetLastResponseInfoA(LPDWORD lpdwError,
 619     LPSTR lpszBuffer, LPDWORD lpdwBufferLength)
 620 {
 621     LPWITHREADERROR lpwite = (LPWITHREADERROR)TlsGetValue(g_dwTlsErrIndex);
 622
 623     TRACE("\n");
 624
 625     if (lpwite)
 626     {
 627         *lpdwError = lpwite->dwError;
 628         if (lpwite->dwError)
 629         {
 630             memcpy(lpszBuffer, lpwite->response, *lpdwBufferLength);
 631             *lpdwBufferLength = strlen(lpszBuffer);
 632         }
 633         else
 634             *lpdwBufferLength = 0;
 635     }
 636     else
 637     {
 638         *lpdwError = 0;
 639         *lpdwBufferLength = 0;
 640     }
 641
 642     return TRUE;
 643 }
 644
 645 /***********************************************************************
 646  *           InternetGetLastResponseInfoW (WININET.@)
 647  *
 648  * Return last wininet error description on the calling thread
 649  *
 650  * RETURNS
 651  *    TRUE on success of writing to buffer
 652  *    FALSE on failure
 653  *
 654  */
 655 BOOL WINAPI InternetGetLastResponseInfoW(LPDWORD lpdwError,
 656     LPWSTR lpszBuffer, LPDWORD lpdwBufferLength)
 657 {
 658     LPWITHREADERROR lpwite = (LPWITHREADERROR)TlsGetValue(g_dwTlsErrIndex);
 659
 660     TRACE("\n");
 661
 662     if (lpwite)
 663     {
 664         *lpdwError = lpwite->dwError;
 665         if (lpwite->dwError)
 666         {
 667             memcpy(lpszBuffer, lpwite->response, *lpdwBufferLength);
 668             *lpdwBufferLength = lstrlenW(lpszBuffer);
 669         }
 670         else
 671             *lpdwBufferLength = 0;
 672     }
 673     else
 674     {
 675         *lpdwError = 0;
 676         *lpdwBufferLength = 0;
 677     }
 678
 679     return TRUE;
 680 }
 681
 682 /***********************************************************************
 683  *           InternetGetConnectedState (WININET.@)
 684  *
 685  * Return connected state
 686  *
 687  * RETURNS
 688  *    TRUE if connected
 689  *    if lpdwStatus is not null, return the status (off line,
 690  *    modem, lan...) in it.
 691  *    FALSE if not connected
 692  */
 693 BOOL WINAPI InternetGetConnectedState(LPDWORD lpdwStatus, DWORD dwReserved)
 694 {
 695     TRACE("(%p, 0x%08x)\n", lpdwStatus, dwReserved);
 696
 697     if (lpdwStatus) {
 698         FIXME("always returning LAN connection.\n");
 699         *lpdwStatus = INTERNET_CONNECTION_LAN;
 700     }
 701     return TRUE;
 702 }
 703
 704
 705 /***********************************************************************
 706  *           InternetGetConnectedStateExW (WININET.@)
 707  *
 708  * Return connected state
 709  *
 710  * PARAMS
 711  *
 712  * lpdwStatus         [O] Flags specifying the status of the internet connection.
 713  * lpszConnectionName [O] Pointer to buffer to receive the friendly name of the internet connection.
 714  * dwNameLen          [I] Size of the buffer, in characters.
 715  * dwReserved         [I] Reserved. Must be set to 0.
 716  *
 717  * RETURNS
 718  *    TRUE if connected
 719  *    if lpdwStatus is not null, return the status (off line,
 720  *    modem, lan...) in it.
 721  *    FALSE if not connected
 722  *
 723  * NOTES
 724  *   If the system has no available network connections, an empty string is
 725  *   stored in lpszConnectionName. If there is a LAN connection, a localized
 726  *   "LAN Connection" string is stored. Presumably, if only a dial-up
 727  *   connection is available then the name of the dial-up connection is
 728  *   returned. Why any application, other than the "Internet Settings" CPL,
 729  *   would want to use this function instead of the simpler InternetGetConnectedStateW
 730  *   function is beyond me.
 731  */
 732 BOOL WINAPI InternetGetConnectedStateExW(LPDWORD lpdwStatus, LPWSTR lpszConnectionName,
 733                                          DWORD dwNameLen, DWORD dwReserved)
 734 {
 735     TRACE("(%p, %p, %d, 0x%08x)\n", lpdwStatus, lpszConnectionName, dwNameLen, dwReserved);
 736
 737     /* Must be zero */
 738     if(dwReserved)
 739         return FALSE;
 740
 741     if (lpdwStatus) {
 742         FIXME("always returning LAN connection.\n");
 743         *lpdwStatus = INTERNET_CONNECTION_LAN;
 744     }
 745     return LoadStringW(WININET_hModule, IDS_LANCONNECTION, lpszConnectionName, dwNameLen);
 746 }
 747
 748
 749 /***********************************************************************
 750  *           InternetGetConnectedStateExA (WININET.@)
 751  */
 752 BOOL WINAPI InternetGetConnectedStateExA(LPDWORD lpdwStatus, LPSTR lpszConnectionName,
 753                                          DWORD dwNameLen, DWORD dwReserved)
 754 {
 755     LPWSTR lpwszConnectionName = NULL;
 756     BOOL rc;
 757
 758     TRACE("(%p, %p, %d, 0x%08x)\n", lpdwStatus, lpszConnectionName, dwNameLen, dwReserved);
 759
 760     if (lpszConnectionName && dwNameLen > 0)
 761         lpwszConnectionName= HeapAlloc(GetProcessHeap(), 0, dwNameLen * sizeof(WCHAR));
 762
 763     rc = InternetGetConnectedStateExW(lpdwStatus,lpwszConnectionName, dwNameLen,
 764                                       dwReserved);
 765     if (rc && lpwszConnectionName)
 766     {
 767         WideCharToMultiByte(CP_ACP,0,lpwszConnectionName,-1,lpszConnectionName,
 768                             dwNameLen, NULL, NULL);
 769
 770         HeapFree(GetProcessHeap(),0,lpwszConnectionName);
 771     }
 772
 773     return rc;
 774 }
 775
 776
 777 /***********************************************************************
 778  *           InternetConnectW (WININET.@)
 779  *
 780  * Open a ftp, gopher or http session
 781  *
 782  * RETURNS
 783  *    HINTERNET a session handle on success
 784  *    NULL on failure
 785  *
 786  */
 787 HINTERNET WINAPI InternetConnectW(HINTERNET hInternet,
 788     LPCWSTR lpszServerName, INTERNET_PORT nServerPort,
 789     LPCWSTR lpszUserName, LPCWSTR lpszPassword,
 790     DWORD dwService, DWORD dwFlags, DWORD_PTR dwContext)
 791 {
 792     LPWININETAPPINFOW hIC;
 793     HINTERNET rc = NULL;
 794
 795     TRACE("(%p, %s, %i, %s, %s, %i, %i, %lx)\n", hInternet, debugstr_w(lpszServerName),
 796           nServerPort, debugstr_w(lpszUserName), debugstr_w(lpszPassword),
 797           dwService, dwFlags, dwContext);
 798
 799     if (!lpszServerName)
 800     {
 801         INTERNET_SetLastError(ERROR_INVALID_PARAMETER);
 802         return NULL;
 803     }
 804
 805     /* Clear any error information */
 806     INTERNET_SetLastError(0);
 807     hIC = (LPWININETAPPINFOW) WININET_GetObject( hInternet );
 808     if ( (hIC == NULL) || (hIC->hdr.htype != WH_HINIT) )
 809     {
 810         INTERNET_SetLastError(ERROR_INVALID_HANDLE);
 811         goto lend;
 812     }
 813
 814     switch (dwService)
 815     {
 816         case INTERNET_SERVICE_FTP:
 817             rc = FTP_Connect(hIC, lpszServerName, nServerPort,
 818             lpszUserName, lpszPassword, dwFlags, dwContext, 0);
 819             break;
 820
 821         case INTERNET_SERVICE_HTTP:
 822             rc = HTTP_Connect(hIC, lpszServerName, nServerPort,
 823             lpszUserName, lpszPassword, dwFlags, dwContext, 0);
 824             break;
 825
 826         case INTERNET_SERVICE_GOPHER:
 827         default:
 828             break;
 829     }
 830 lend:
 831     if( hIC )
 832         WININET_Release( &hIC->hdr );
 833
 834     TRACE("returning %p\n", rc);
 835     return rc;
 836 }
 837
 838
 839 /***********************************************************************
 840  *           InternetConnectA (WININET.@)
 841  *
 842  * Open a ftp, gopher or http session
 843  *
 844  * RETURNS
 845  *    HINTERNET a session handle on success
 846  *    NULL on failure
 847  *
 848  */
 849 HINTERNET WINAPI InternetConnectA(HINTERNET hInternet,
 850     LPCSTR lpszServerName, INTERNET_PORT nServerPort,
 851     LPCSTR lpszUserName, LPCSTR lpszPassword,
 852     DWORD dwService, DWORD dwFlags, DWORD_PTR dwContext)
 853 {
 854     HINTERNET rc = (HINTERNET)NULL;
 855     INT len = 0;
 856     LPWSTR szServerName = NULL;
 857     LPWSTR szUserName = NULL;
 858     LPWSTR szPassword = NULL;
 859
 860     if (lpszServerName)
 861     {
 862         len = MultiByteToWideChar(CP_ACP, 0, lpszServerName, -1, NULL, 0);
 863         szServerName = HeapAlloc(GetProcessHeap(), 0, len*sizeof(WCHAR));
 864         MultiByteToWideChar(CP_ACP, 0, lpszServerName, -1, szServerName, len);
 865     }
 866     if (lpszUserName)
 867     {
 868         len = MultiByteToWideChar(CP_ACP, 0, lpszUserName, -1, NULL, 0);
 869         szUserName = HeapAlloc(GetProcessHeap(), 0, len*sizeof(WCHAR));
 870         MultiByteToWideChar(CP_ACP, 0, lpszUserName, -1, szUserName, len);
 871     }
 872     if (lpszPassword)
 873     {
 874         len = MultiByteToWideChar(CP_ACP, 0, lpszPassword, -1, NULL, 0);
 875         szPassword = HeapAlloc(GetProcessHeap(), 0, len*sizeof(WCHAR));
 876         MultiByteToWideChar(CP_ACP, 0, lpszPassword, -1, szPassword, len);
 877     }
 878
 879
 880     rc = InternetConnectW(hInternet, szServerName, nServerPort,
 881         szUserName, szPassword, dwService, dwFlags, dwContext);
 882
 883     HeapFree(GetProcessHeap(), 0, szServerName);
 884     HeapFree(GetProcessHeap(), 0, szUserName);
 885     HeapFree(GetProcessHeap(), 0, szPassword);
 886     return rc;
 887 }
 888
 889
 890 /***********************************************************************
 891  *           InternetFindNextFileA (WININET.@)
 892  *
 893  * Continues a file search from a previous call to FindFirstFile
 894  *
 895  * RETURNS
 896  *    TRUE on success
 897  *    FALSE on failure
 898  *
 899  */
 900 BOOL WINAPI InternetFindNextFileA(HINTERNET hFind, LPVOID lpvFindData)
 901 {
 902     BOOL ret;
 903     WIN32_FIND_DATAW fd;
 904
 905     ret = InternetFindNextFileW(hFind, lpvFindData?&fd:NULL);
 906     if(lpvFindData)
 907         WININET_find_data_WtoA(&fd, (LPWIN32_FIND_DATAA)lpvFindData);
 908     return ret;
 909 }
 910
 911 /***********************************************************************
 912  *           InternetFindNextFileW (WININET.@)
 913  *
 914  * Continues a file search from a previous call to FindFirstFile
 915  *
 916  * RETURNS
 917  *    TRUE on success
 918  *    FALSE on failure
 919  *
 920  */
 921 static void AsyncFtpFindNextFileProc(WORKREQUEST *workRequest)
 922 {
 923     struct WORKREQ_FTPFINDNEXTW *req = &workRequest->u.FtpFindNextW;
 924     LPWININETFTPFINDNEXTW lpwh = (LPWININETFTPFINDNEXTW) workRequest->hdr;
 925
 926     TRACE("%p\n", lpwh);
 927
 928     FTP_FindNextFileW(lpwh, req->lpFindFileData);
 929 }
 930
 931 BOOL WINAPI InternetFindNextFileW(HINTERNET hFind, LPVOID lpvFindData)
 932 {
 933     LPWININETAPPINFOW hIC = NULL;
 934     LPWININETFTPFINDNEXTW lpwh;
 935     BOOL bSuccess = FALSE;
 936
 937     TRACE("\n");
 938
 939     lpwh = (LPWININETFTPFINDNEXTW) WININET_GetObject( hFind );
 940     if (NULL == lpwh || lpwh->hdr.htype != WH_HFTPFINDNEXT)
 941     {
 942         FIXME("Only FTP supported\n");
 943         INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
 944         goto lend;
 945     }
 946
 947     hIC = lpwh->lpFtpSession->lpAppInfo;
 948     if (hIC->hdr.dwFlags & INTERNET_FLAG_ASYNC)
 949     {
 950         WORKREQUEST workRequest;
 951         struct WORKREQ_FTPFINDNEXTW *req;
 952
 953         workRequest.asyncproc = AsyncFtpFindNextFileProc;
 954         workRequest.hdr = WININET_AddRef( &lpwh->hdr );
 955         req = &workRequest.u.FtpFindNextW;
 956         req->lpFindFileData = lpvFindData;
 957
 958         bSuccess = INTERNET_AsyncCall(&workRequest);
 959     }
 960     else
 961     {
 962         bSuccess = FTP_FindNextFileW(lpwh, lpvFindData);
 963     }
 964 lend:
 965     if( lpwh )
 966         WININET_Release( &lpwh->hdr );
 967     return bSuccess;
 968 }
 969
 970 /***********************************************************************
 971  *           INTERNET_CloseHandle (internal)
 972  *
 973  * Close internet handle
 974  *
 975  * RETURNS
 976  *    Void
 977  *
 978  */
 979 static VOID INTERNET_CloseHandle(LPWININETHANDLEHEADER hdr)
 980 {
 981     LPWININETAPPINFOW lpwai = (LPWININETAPPINFOW) hdr;
 982
 983     TRACE("%p\n",lpwai);
 984
 985     HeapFree(GetProcessHeap(), 0, lpwai->lpszAgent);
 986     HeapFree(GetProcessHeap(), 0, lpwai->lpszProxy);
 987     HeapFree(GetProcessHeap(), 0, lpwai->lpszProxyBypass);
 988     HeapFree(GetProcessHeap(), 0, lpwai->lpszProxyUsername);
 989     HeapFree(GetProcessHeap(), 0, lpwai->lpszProxyPassword);
 990     HeapFree(GetProcessHeap(), 0, lpwai);
 991 }
 992
 993
 994 /***********************************************************************
 995  *           InternetCloseHandle (WININET.@)
 996  *
 997  * Generic close handle function
 998  *
 999  * RETURNS
1000  *    TRUE on success
1001  *    FALSE on failure
1002  *
1003  */
1004 BOOL WINAPI InternetCloseHandle(HINTERNET hInternet)
1005 {
1006     LPWININETHANDLEHEADER lpwh;
1007
1008     TRACE("%p\n",hInternet);
1009
1010     lpwh = WININET_GetObject( hInternet );
1011     if (NULL == lpwh)
1012     {
1013         INTERNET_SetLastError(ERROR_INVALID_HANDLE);
1014         return FALSE;
1015     }
1016
1017     WININET_Release( lpwh );
1018     WININET_FreeHandle( hInternet );
1019
1020     return TRUE;
1021 }
1022
1023
1024 /***********************************************************************
1025  *           ConvertUrlComponentValue (Internal)
1026  *
1027  * Helper function for InternetCrackUrlW
1028  *
1029  */
1030 static void ConvertUrlComponentValue(LPSTR* lppszComponent, LPDWORD dwComponentLen,
1031                                      LPWSTR lpwszComponent, DWORD dwwComponentLen,
1032                                      LPCSTR lpszStart, LPCWSTR lpwszStart)
1033 {
1034     TRACE("%p %d %p %d %p %p\n", lppszComponent, *dwComponentLen, lpwszComponent, dwwComponentLen, lpszStart, lpwszStart);
1035     if (*dwComponentLen != 0)
1036     {
1037         DWORD nASCIILength=WideCharToMultiByte(CP_ACP,0,lpwszComponent,dwwComponentLen,NULL,0,NULL,NULL);
1038         if (*lppszComponent == NULL)
1039         {
1040             int nASCIIOffset=WideCharToMultiByte(CP_ACP,0,lpwszStart,lpwszComponent-lpwszStart,NULL,0,NULL,NULL);
1041             if (lpwszComponent)
1042                 *lppszComponent = (LPSTR)lpszStart+nASCIIOffset;
1043             else
1044                 *lppszComponent = NULL;
1045             *dwComponentLen = nASCIILength;
1046         }
1047         else
1048         {
1049             DWORD ncpylen = min((*dwComponentLen)-1, nASCIILength);
1050             WideCharToMultiByte(CP_ACP,0,lpwszComponent,dwwComponentLen,*lppszComponent,ncpylen+1,NULL,NULL);
1051             (*lppszComponent)[ncpylen]=0;
1052             *dwComponentLen = ncpylen;
1053         }
1054     }
1055 }
1056
1057
1058 /***********************************************************************
1059  *           InternetCrackUrlA (WININET.@)
1060  *
1061  * See InternetCrackUrlW.
1062  */
1063 BOOL WINAPI InternetCrackUrlA(LPCSTR lpszUrl, DWORD dwUrlLength, DWORD dwFlags,
1064     LPURL_COMPONENTSA lpUrlComponents)
1065 {
1066   DWORD nLength;
1067   URL_COMPONENTSW UCW;
1068   WCHAR* lpwszUrl;
1069
1070   TRACE("(%s %u %x %p)\n", debugstr_a(lpszUrl), dwUrlLength, dwFlags, lpUrlComponents);
1071
1072   if (!lpszUrl || !*lpszUrl)
1073   {
1074       INTERNET_SetLastError(ERROR_INVALID_PARAMETER);
1075       return FALSE;
1076   }
1077
1078   if(dwUrlLength<=0)
1079       dwUrlLength=-1;
1080   nLength=MultiByteToWideChar(CP_ACP,0,lpszUrl,dwUrlLength,NULL,0);
1081
1082   /* if dwUrlLength=-1 then nLength includes null but length to
1083        InternetCrackUrlW should not include it                  */
1084   if (dwUrlLength == -1) nLength--;
1085
1086   lpwszUrl=HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(WCHAR)*nLength);
1087   MultiByteToWideChar(CP_ACP,0,lpszUrl,dwUrlLength,lpwszUrl,nLength);
1088
1089   memset(&UCW,0,sizeof(UCW));
1090   if(lpUrlComponents->dwHostNameLength!=0)
1091       UCW.dwHostNameLength= lpUrlComponents->dwHostNameLength;
1092   if(lpUrlComponents->dwUserNameLength!=0)
1093       UCW.dwUserNameLength=lpUrlComponents->dwUserNameLength;
1094   if(lpUrlComponents->dwPasswordLength!=0)
1095       UCW.dwPasswordLength=lpUrlComponents->dwPasswordLength;
1096   if(lpUrlComponents->dwUrlPathLength!=0)
1097       UCW.dwUrlPathLength=lpUrlComponents->dwUrlPathLength;
1098   if(lpUrlComponents->dwSchemeLength!=0)
1099       UCW.dwSchemeLength=lpUrlComponents->dwSchemeLength;
1100   if(lpUrlComponents->dwExtraInfoLength!=0)
1101       UCW.dwExtraInfoLength=lpUrlComponents->dwExtraInfoLength;
1102   if(!InternetCrackUrlW(lpwszUrl,nLength,dwFlags,&UCW))
1103   {
1104       HeapFree(GetProcessHeap(), 0, lpwszUrl);
1105       return FALSE;
1106   }
1107
1108   ConvertUrlComponentValue(&lpUrlComponents->lpszHostName, &lpUrlComponents->dwHostNameLength,
1109                            UCW.lpszHostName, UCW.dwHostNameLength,
1110                            lpszUrl, lpwszUrl);
1111   ConvertUrlComponentValue(&lpUrlComponents->lpszUserName, &lpUrlComponents->dwUserNameLength,
1112                            UCW.lpszUserName, UCW.dwUserNameLength,
1113                            lpszUrl, lpwszUrl);
1114   ConvertUrlComponentValue(&lpUrlComponents->lpszPassword, &lpUrlComponents->dwPasswordLength,
1115                            UCW.lpszPassword, UCW.dwPasswordLength,
1116                            lpszUrl, lpwszUrl);
1117   ConvertUrlComponentValue(&lpUrlComponents->lpszUrlPath, &lpUrlComponents->dwUrlPathLength,
1118                            UCW.lpszUrlPath, UCW.dwUrlPathLength,
1119                            lpszUrl, lpwszUrl);
1120   ConvertUrlComponentValue(&lpUrlComponents->lpszScheme, &lpUrlComponents->dwSchemeLength,
1121                            UCW.lpszScheme, UCW.dwSchemeLength,
1122                            lpszUrl, lpwszUrl);
1123   ConvertUrlComponentValue(&lpUrlComponents->lpszExtraInfo, &lpUrlComponents->dwExtraInfoLength,
1124                            UCW.lpszExtraInfo, UCW.dwExtraInfoLength,
1125                            lpszUrl, lpwszUrl);
1126   lpUrlComponents->nScheme=UCW.nScheme;
1127   lpUrlComponents->nPort=UCW.nPort;
1128   HeapFree(GetProcessHeap(), 0, lpwszUrl);
1129
1130   TRACE("%s: scheme(%s) host(%s) path(%s) extra(%s)\n", lpszUrl,
1131           debugstr_an(lpUrlComponents->lpszScheme,lpUrlComponents->dwSchemeLength),
1132           debugstr_an(lpUrlComponents->lpszHostName,lpUrlComponents->dwHostNameLength),
1133           debugstr_an(lpUrlComponents->lpszUrlPath,lpUrlComponents->dwUrlPathLength),
1134           debugstr_an(lpUrlComponents->lpszExtraInfo,lpUrlComponents->dwExtraInfoLength));
1135
1136   return TRUE;
1137 }
1138
1139 static const WCHAR url_schemes[][7] =
1140 {
1141     {'f','t','p',0},
1142     {'g','o','p','h','e','r',0},
1143     {'h','t','t','p',0},
1144     {'h','t','t','p','s',0},
1145     {'f','i','l','e',0},
1146     {'n','e','w','s',0},
1147     {'m','a','i','l','t','o',0},
1148     {'r','e','s',0},
1149 };
1150
1151 /***********************************************************************
1152  *           GetInternetSchemeW (internal)
1153  *
1154  * Get scheme of url
1155  *
1156  * RETURNS
1157  *    scheme on success
1158  *    INTERNET_SCHEME_UNKNOWN on failure
1159  *
1160  */
1161 static INTERNET_SCHEME GetInternetSchemeW(LPCWSTR lpszScheme, DWORD nMaxCmp)
1162 {
1163     int i;
1164
1165     TRACE("%s %d\n",debugstr_wn(lpszScheme, nMaxCmp), nMaxCmp);
1166
1167     if(lpszScheme==NULL)
1168         return INTERNET_SCHEME_UNKNOWN;
1169
1170     for (i = 0; i < sizeof(url_schemes)/sizeof(url_schemes[0]); i++)
1171         if (!strncmpW(lpszScheme, url_schemes[i], nMaxCmp))
1172             return INTERNET_SCHEME_FIRST + i;
1173
1174     return INTERNET_SCHEME_UNKNOWN;
1175 }
1176
1177 /***********************************************************************
1178  *           SetUrlComponentValueW (Internal)
1179  *
1180  * Helper function for InternetCrackUrlW
1181  *
1182  * PARAMS
1183  *     lppszComponent [O] Holds the returned string
1184  *     dwComponentLen [I] Holds the size of lppszComponent
1185  *                    [O] Holds the length of the string in lppszComponent without '\0'
1186  *     lpszStart      [I] Holds the string to copy from
1187  *     len            [I] Holds the length of lpszStart without '\0'
1188  *
1189  * RETURNS
1190  *    TRUE on success
1191  *    FALSE on failure
1192  *
1193  */
1194 static BOOL SetUrlComponentValueW(LPWSTR* lppszComponent, LPDWORD dwComponentLen, LPCWSTR lpszStart, DWORD len)
1195 {
1196     TRACE("%s (%d)\n", debugstr_wn(lpszStart,len), len);
1197
1198     if ( (*dwComponentLen == 0) && (*lppszComponent == NULL) )
1199         return FALSE;
1200
1201     if (*dwComponentLen != 0 || *lppszComponent == NULL)
1202     {
1203         if (*lppszComponent == NULL)
1204         {
1205             *lppszComponent = (LPWSTR)lpszStart;
1206             *dwComponentLen = len;
1207         }
1208         else
1209         {
1210             DWORD ncpylen = min((*dwComponentLen)-1, len);
1211             memcpy(*lppszComponent, lpszStart, ncpylen*sizeof(WCHAR));
1212             (*lppszComponent)[ncpylen] = '\0';
1213             *dwComponentLen = ncpylen;
1214         }
1215     }
1216
1217     return TRUE;
1218 }
1219
1220 /***********************************************************************
1221  *           InternetCrackUrlW   (WININET.@)
1222  *
1223  * Break up URL into its components
1224  *
1225  * RETURNS
1226  *    TRUE on success
1227  *    FALSE on failure
1228  */
1229 BOOL WINAPI InternetCrackUrlW(LPCWSTR lpszUrl_orig, DWORD dwUrlLength_orig, DWORD dwFlags,
1230                               LPURL_COMPONENTSW lpUC)
1231 {
1232   /*
1233    * RFC 1808
1234    * <protocol>:[//<net_loc>][/path][;<params>][?<query>][#<fragment>]
1235    *
1236    */
1237     LPCWSTR lpszParam    = NULL;
1238     BOOL  bIsAbsolute = FALSE;
1239     LPCWSTR lpszap, lpszUrl = lpszUrl_orig;
1240     LPCWSTR lpszcp = NULL;
1241     LPWSTR  lpszUrl_decode = NULL;
1242     DWORD dwUrlLength = dwUrlLength_orig;
1243     const WCHAR lpszSeparators[3]={';','?',0};
1244     const WCHAR lpszSlash[2]={'/',0};
1245
1246     TRACE("(%s %u %x %p)\n", debugstr_w(lpszUrl), dwUrlLength, dwFlags, lpUC);
1247
1248     if (!lpszUrl_orig || !*lpszUrl_orig || !lpUC)
1249     {
1250         INTERNET_SetLastError(ERROR_INVALID_PARAMETER);
1251         return FALSE;
1252     }
1253     if (!dwUrlLength) dwUrlLength = strlenW(lpszUrl);
1254
1255     if (dwFlags & ICU_DECODE)
1256     {
1257         lpszUrl_decode=HeapAlloc( GetProcessHeap(), 0,  dwUrlLength * sizeof (WCHAR) );
1258         if( InternetCanonicalizeUrlW(lpszUrl_orig, lpszUrl_decode, &dwUrlLength, dwFlags))
1259         {
1260             lpszUrl =  lpszUrl_decode;
1261         }
1262     }
1263     lpszap = lpszUrl;
1264
1265     /* Determine if the URI is absolute. */
1266     while (*lpszap != '\0')
1267     {
1268         if (isalnumW(*lpszap))
1269         {
1270             lpszap++;
1271             continue;
1272         }
1273         if ((*lpszap == ':') && (lpszap - lpszUrl >= 2))
1274         {
1275             bIsAbsolute = TRUE;
1276             lpszcp = lpszap;
1277         }
1278         else
1279         {
1280             lpszcp = lpszUrl; /* Relative url */
1281         }
1282
1283         break;
1284     }
1285
1286     lpUC->nScheme = INTERNET_SCHEME_UNKNOWN;
1287     lpUC->nPort = INTERNET_INVALID_PORT_NUMBER;
1288
1289     /* Parse <params> */
1290     lpszParam = strpbrkW(lpszap, lpszSeparators);
1291     SetUrlComponentValueW(&lpUC->lpszExtraInfo, &lpUC->dwExtraInfoLength,
1292                           lpszParam, lpszParam ? dwUrlLength-(lpszParam-lpszUrl) : 0);
1293
1294     if (bIsAbsolute) /* Parse <protocol>:[//<net_loc>] */
1295     {
1296         LPCWSTR lpszNetLoc;
1297
1298         /* Get scheme first. */
1299         lpUC->nScheme = GetInternetSchemeW(lpszUrl, lpszcp - lpszUrl);
1300         SetUrlComponentValueW(&lpUC->lpszScheme, &lpUC->dwSchemeLength,
1301                                    lpszUrl, lpszcp - lpszUrl);
1302
1303         /* Eat ':' in protocol. */
1304         lpszcp++;
1305
1306         /* double slash indicates the net_loc portion is present */
1307         if ((lpszcp[0] == '/') && (lpszcp[1] == '/'))
1308         {
1309             lpszcp += 2;
1310
1311             lpszNetLoc = strpbrkW(lpszcp, lpszSlash);
1312             if (lpszParam)
1313             {
1314                 if (lpszNetLoc)
1315                     lpszNetLoc = min(lpszNetLoc, lpszParam);
1316                 else
1317                     lpszNetLoc = lpszParam;
1318             }
1319             else if (!lpszNetLoc)
1320                 lpszNetLoc = lpszcp + dwUrlLength-(lpszcp-lpszUrl);
1321
1322             /* Parse net-loc */
1323             if (lpszNetLoc)
1324             {
1325                 LPCWSTR lpszHost;
1326                 LPCWSTR lpszPort;
1327
1328                 /* [<user>[<:password>]@]<host>[:<port>] */
1329                 /* First find the user and password if they exist */
1330
1331                 lpszHost = strchrW(lpszcp, '@');
1332                 if (lpszHost == NULL || lpszHost > lpszNetLoc)
1333                 {
1334                     /* username and password not specified. */
1335                     SetUrlComponentValueW(&lpUC->lpszUserName, &lpUC->dwUserNameLength, NULL, 0);
1336                     SetUrlComponentValueW(&lpUC->lpszPassword, &lpUC->dwPasswordLength, NULL, 0);
1337                 }
1338                 else /* Parse out username and password */
1339                 {
1340                     LPCWSTR lpszUser = lpszcp;
1341                     LPCWSTR lpszPasswd = lpszHost;
1342
1343                     while (lpszcp < lpszHost)
1344                     {
1345                         if (*lpszcp == ':')
1346                             lpszPasswd = lpszcp;
1347
1348                         lpszcp++;
1349                     }
1350
1351                     SetUrlComponentValueW(&lpUC->lpszUserName, &lpUC->dwUserNameLength,
1352                                           lpszUser, lpszPasswd - lpszUser);
1353
1354                     if (lpszPasswd != lpszHost)
1355                         lpszPasswd++;
1356                     SetUrlComponentValueW(&lpUC->lpszPassword, &lpUC->dwPasswordLength,
1357                                           lpszPasswd == lpszHost ? NULL : lpszPasswd,
1358                                           lpszHost - lpszPasswd);
1359
1360                     lpszcp++; /* Advance to beginning of host */
1361                 }
1362
1363                 /* Parse <host><:port> */
1364
1365                 lpszHost = lpszcp;
1366                 lpszPort = lpszNetLoc;
1367
1368                 /* special case for res:// URLs: there is no port here, so the host is the
1369                    entire string up to the first '/' */
1370                 if(lpUC->nScheme==INTERNET_SCHEME_RES)
1371                 {
1372                     SetUrlComponentValueW(&lpUC->lpszHostName, &lpUC->dwHostNameLength,
1373                                           lpszHost, lpszPort - lpszHost);
1374                     lpszcp=lpszNetLoc;
1375                 }
1376                 else
1377                 {
1378                     while (lpszcp < lpszNetLoc)
1379                     {
1380                         if (*lpszcp == ':')
1381                             lpszPort = lpszcp;
1382
1383                         lpszcp++;
1384                     }
1385
1386                     /* If the scheme is "file" and the host is just one letter, it's not a host */
1387                     if(lpUC->nScheme==INTERNET_SCHEME_FILE && (lpszPort-lpszHost)==1)
1388                     {
1389                         lpszcp=lpszHost;
1390                         SetUrlComponentValueW(&lpUC->lpszHostName, &lpUC->dwHostNameLength,
1391                                               NULL, 0);
1392                     }
1393                     else
1394                     {
1395                         SetUrlComponentValueW(&lpUC->lpszHostName, &lpUC->dwHostNameLength,
1396                                               lpszHost, lpszPort - lpszHost);
1397                         if (lpszPort != lpszNetLoc)
1398                             lpUC->nPort = atoiW(++lpszPort);
1399                         else switch (lpUC->nScheme)
1400                         {
1401                         case INTERNET_SCHEME_HTTP:
1402                             lpUC->nPort = INTERNET_DEFAULT_HTTP_PORT;
1403                             break;
1404                         case INTERNET_SCHEME_HTTPS:
1405                             lpUC->nPort = INTERNET_DEFAULT_HTTPS_PORT;
1406                             break;
1407                         case INTERNET_SCHEME_FTP:
1408                             lpUC->nPort = INTERNET_DEFAULT_FTP_PORT;
1409                             break;
1410                         case INTERNET_SCHEME_GOPHER:
1411                             lpUC->nPort = INTERNET_DEFAULT_GOPHER_PORT;
1412                             break;
1413                         default:
1414                             break;
1415                         }
1416                     }
1417                 }
1418             }
1419         }
1420         else
1421         {
1422             SetUrlComponentValueW(&lpUC->lpszUserName, &lpUC->dwUserNameLength, NULL, 0);
1423             SetUrlComponentValueW(&lpUC->lpszPassword, &lpUC->dwPasswordLength, NULL, 0);
1424             SetUrlComponentValueW(&lpUC->lpszHostName, &lpUC->dwHostNameLength, NULL, 0);
1425         }
1426     }
1427     else
1428     {
1429         SetUrlComponentValueW(&lpUC->lpszScheme, &lpUC->dwSchemeLength, NULL, 0);
1430         SetUrlComponentValueW(&lpUC->lpszUserName, &lpUC->dwUserNameLength, NULL, 0);
1431         SetUrlComponentValueW(&lpUC->lpszPassword, &lpUC->dwPasswordLength, NULL, 0);
1432         SetUrlComponentValueW(&lpUC->lpszHostName, &lpUC->dwHostNameLength, NULL, 0);
1433     }
1434
1435     /* Here lpszcp points to:
1436      *
1437      * <protocol>:[//<net_loc>][/path][;<params>][?<query>][#<fragment>]
1438      *                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
1439      */
1440     if (lpszcp != 0 && *lpszcp != '\0' && (!lpszParam || lpszcp < lpszParam))
1441     {
1442         INT len;
1443
1444         /* Only truncate the parameter list if it's already been saved
1445          * in lpUC->lpszExtraInfo.
1446          */
1447         if (lpszParam && lpUC->dwExtraInfoLength && lpUC->lpszExtraInfo)
1448             len = lpszParam - lpszcp;
1449         else
1450         {
1451             /* Leave the parameter list in lpszUrlPath.  Strip off any trailing
1452              * newlines if necessary.
1453              */
1454             LPWSTR lpsznewline = strchrW(lpszcp, '\n');
1455             if (lpsznewline != NULL)
1456                 len = lpsznewline - lpszcp;
1457             else
1458                 len = dwUrlLength-(lpszcp-lpszUrl);
1459         }
1460         SetUrlComponentValueW(&lpUC->lpszUrlPath, &lpUC->dwUrlPathLength,
1461                                    lpszcp, len);
1462     }
1463     else
1464     {
1465         lpUC->dwUrlPathLength = 0;
1466     }
1467
1468     TRACE("%s: scheme(%s) host(%s) path(%s) extra(%s)\n", debugstr_wn(lpszUrl,dwUrlLength),
1469              debugstr_wn(lpUC->lpszScheme,lpUC->dwSchemeLength),
1470              debugstr_wn(lpUC->lpszHostName,lpUC->dwHostNameLength),
1471              debugstr_wn(lpUC->lpszUrlPath,lpUC->dwUrlPathLength),
1472              debugstr_wn(lpUC->lpszExtraInfo,lpUC->dwExtraInfoLength));
1473
1474     HeapFree(GetProcessHeap(), 0, lpszUrl_decode );
1475     return TRUE;
1476 }
1477
1478 /***********************************************************************
1479  *           InternetAttemptConnect (WININET.@)
1480  *
1481  * Attempt to make a connection to the internet
1482  *
1483  * RETURNS
1484  *    ERROR_SUCCESS on success
1485  *    Error value   on failure
1486  *
1487  */
1488 DWORD WINAPI InternetAttemptConnect(DWORD dwReserved)
1489 {
1490     FIXME("Stub\n");
1491     return ERROR_SUCCESS;
1492 }
1493
1494
1495 /***********************************************************************
1496  *           InternetCanonicalizeUrlA (WININET.@)
1497  *
1498  * Escape unsafe characters and spaces
1499  *
1500  * RETURNS
1501  *    TRUE on success
1502  *    FALSE on failure
1503  *
1504  */
1505 BOOL WINAPI InternetCanonicalizeUrlA(LPCSTR lpszUrl, LPSTR lpszBuffer,
1506         LPDWORD lpdwBufferLength, DWORD dwFlags)
1507 {
1508     HRESULT hr;
1509     DWORD dwURLFlags= 0x80000000; /* Don't know what this means */
1510     if(dwFlags & ICU_DECODE)
1511     {
1512         dwURLFlags |= URL_UNESCAPE;
1513         dwFlags &= ~ICU_DECODE;
1514     }
1515
1516     if(dwFlags & ICU_ESCAPE)
1517     {
1518         dwURLFlags |= URL_UNESCAPE;
1519         dwFlags &= ~ICU_ESCAPE;
1520     }
1521     if(dwFlags & ICU_BROWSER_MODE)
1522     {
1523         dwURLFlags |= URL_BROWSER_MODE;
1524         dwFlags &= ~ICU_BROWSER_MODE;
1525     }
1526     if(dwFlags)
1527         FIXME("Unhandled flags 0x%08x\n", dwFlags);
1528     TRACE("%s %p %p %08x\n", debugstr_a(lpszUrl), lpszBuffer,
1529         lpdwBufferLength, dwURLFlags);
1530
1531     /* Flip this bit to correspond to URL_ESCAPE_UNSAFE */
1532     dwFlags ^= ICU_NO_ENCODE;
1533
1534     hr = UrlCanonicalizeA(lpszUrl, lpszBuffer, lpdwBufferLength, dwURLFlags);
1535
1536     return (hr == S_OK) ? TRUE : FALSE;
1537 }
1538
1539 /***********************************************************************
1540  *           InternetCanonicalizeUrlW (WININET.@)
1541  *
1542  * Escape unsafe characters and spaces
1543  *
1544  * RETURNS
1545  *    TRUE on success
1546  *    FALSE on failure
1547  *
1548  */
1549 BOOL WINAPI InternetCanonicalizeUrlW(LPCWSTR lpszUrl, LPWSTR lpszBuffer,
1550     LPDWORD lpdwBufferLength, DWORD dwFlags)
1551 {
1552     HRESULT hr;
1553     DWORD dwURLFlags= 0x80000000; /* Don't know what this means */
1554     if(dwFlags & ICU_DECODE)
1555     {
1556         dwURLFlags |= URL_UNESCAPE;
1557         dwFlags &= ~ICU_DECODE;
1558     }
1559
1560     if(dwFlags & ICU_ESCAPE)
1561     {
1562         dwURLFlags |= URL_UNESCAPE;
1563         dwFlags &= ~ICU_ESCAPE;
1564     }
1565     if(dwFlags & ICU_BROWSER_MODE)
1566     {
1567         dwURLFlags |= URL_BROWSER_MODE;
1568         dwFlags &= ~ICU_BROWSER_MODE;
1569     }
1570     if(dwFlags)
1571         FIXME("Unhandled flags 0x%08x\n", dwFlags);
1572     TRACE("%s %p %p %08x\n", debugstr_w(lpszUrl), lpszBuffer,
1573         lpdwBufferLength, dwURLFlags);
1574
1575     /* Flip this bit to correspond to URL_ESCAPE_UNSAFE */
1576     dwFlags ^= ICU_NO_ENCODE;
1577
1578     hr = UrlCanonicalizeW(lpszUrl, lpszBuffer, lpdwBufferLength, dwURLFlags);
1579
1580     return (hr == S_OK) ? TRUE : FALSE;
1581 }
1582
1583 static INTERNET_STATUS_CALLBACK set_status_callback(
1584     LPWININETHANDLEHEADER lpwh, INTERNET_STATUS_CALLBACK callback, BOOL unicode)
1585 {
1586     INTERNET_STATUS_CALLBACK ret;
1587
1588     if (unicode) lpwh->dwInternalFlags |= INET_CALLBACKW;
1589     else lpwh->dwInternalFlags &= ~INET_CALLBACKW;
1590
1591     ret = lpwh->lpfnStatusCB;
1592     lpwh->lpfnStatusCB = callback;
1593
1594     return ret;
1595 }
1596
1597 /***********************************************************************
1598  *           InternetSetStatusCallbackA (WININET.@)
1599  *
1600  * Sets up a callback function which is called as progress is made
1601  * during an operation.
1602  *
1603  * RETURNS
1604  *    Previous callback or NULL         on success
1605  *    INTERNET_INVALID_STATUS_CALLBACK  on failure
1606  *
1607  */
1608 INTERNET_STATUS_CALLBACK WINAPI InternetSetStatusCallbackA(
1609         HINTERNET hInternet ,INTERNET_STATUS_CALLBACK lpfnIntCB)
1610 {
1611     INTERNET_STATUS_CALLBACK retVal;
1612     LPWININETHANDLEHEADER lpwh;
1613
1614     TRACE("0x%08x\n", (ULONG)hInternet);
1615
1616     if (!(lpwh = WININET_GetObject(hInternet)))
1617         return INTERNET_INVALID_STATUS_CALLBACK;
1618
1619     retVal = set_status_callback(lpwh, lpfnIntCB, FALSE);
1620
1621     WININET_Release( lpwh );
1622     return retVal;
1623 }
1624
1625 /***********************************************************************
1626  *           InternetSetStatusCallbackW (WININET.@)
1627  *
1628  * Sets up a callback function which is called as progress is made
1629  * during an operation.
1630  *
1631  * RETURNS
1632  *    Previous callback or NULL         on success
1633  *    INTERNET_INVALID_STATUS_CALLBACK  on failure
1634  *
1635  */
1636 INTERNET_STATUS_CALLBACK WINAPI InternetSetStatusCallbackW(
1637         HINTERNET hInternet ,INTERNET_STATUS_CALLBACK lpfnIntCB)
1638 {
1639     INTERNET_STATUS_CALLBACK retVal;
1640     LPWININETHANDLEHEADER lpwh;
1641
1642     TRACE("0x%08x\n", (ULONG)hInternet);
1643
1644     if (!(lpwh = WININET_GetObject(hInternet)))
1645         return INTERNET_INVALID_STATUS_CALLBACK;
1646
1647     retVal = set_status_callback(lpwh, lpfnIntCB, TRUE);
1648
1649     WININET_Release( lpwh );
1650     return retVal;
1651 }
1652
1653 /***********************************************************************
1654  *           InternetSetFilePointer (WININET.@)
1655  */
1656 DWORD WINAPI InternetSetFilePointer(HINTERNET hFile, LONG lDistanceToMove,
1657     PVOID pReserved, DWORD dwMoveContext, DWORD_PTR dwContext)
1658 {
1659     FIXME("stub\n");
1660     return FALSE;
1661 }
1662
1663 /***********************************************************************
1664  *           InternetWriteFile (WININET.@)
1665  *
1666  * Write data to an open internet file
1667  *
1668  * RETURNS
1669  *    TRUE  on success
1670  *    FALSE on failure
1671  *
1672  */
1673 BOOL WINAPI InternetWriteFile(HINTERNET hFile, LPCVOID lpBuffer ,
1674         DWORD dwNumOfBytesToWrite, LPDWORD lpdwNumOfBytesWritten)
1675 {
1676     BOOL retval = FALSE;
1677     int nSocket = -1;
1678     LPWININETHANDLEHEADER lpwh;
1679
1680     TRACE("\n");
1681     lpwh = (LPWININETHANDLEHEADER) WININET_GetObject( hFile );
1682     if (NULL == lpwh)
1683         return FALSE;
1684
1685     switch (lpwh->htype)
1686     {
1687         case WH_HHTTPREQ:
1688             {
1689                 LPWININETHTTPREQW lpwhr;
1690                 lpwhr = (LPWININETHTTPREQW)lpwh;
1691
1692                 TRACE("HTTPREQ %i\n",dwNumOfBytesToWrite);
1693                 retval = NETCON_send(&lpwhr->netConnection, lpBuffer,
1694                         dwNumOfBytesToWrite, 0, (LPINT)lpdwNumOfBytesWritten);
1695
1696                 WININET_Release( lpwh );
1697                 return retval;
1698             }
1699             break;
1700
1701         case WH_HFILE:
1702             nSocket = ((LPWININETFTPFILE)lpwh)->nDataSocket;
1703             break;
1704
1705         default:
1706             break;
1707     }
1708
1709     if (nSocket != -1)
1710     {
1711         int res = send(nSocket, lpBuffer, dwNumOfBytesToWrite, 0);
1712         retval = (res >= 0);
1713         *lpdwNumOfBytesWritten = retval ? res : 0;
1714     }
1715     WININET_Release( lpwh );
1716
1717     return retval;
1718 }
1719
1720
1721 BOOL INTERNET_ReadFile(LPWININETHANDLEHEADER lpwh, LPVOID lpBuffer,
1722                        DWORD dwNumOfBytesToRead, LPDWORD pdwNumOfBytesRead,
1723                        BOOL bWait, BOOL bSendCompletionStatus)
1724 {
1725     BOOL retval = FALSE;
1726     int nSocket = -1;
1727     int bytes_read;
1728     LPWININETHTTPREQW lpwhr;
1729
1730     /* FIXME: this should use NETCON functions! */
1731     switch (lpwh->htype)
1732     {
1733         case WH_HHTTPREQ:
1734             lpwhr = (LPWININETHTTPREQW)lpwh;
1735
1736             if (!NETCON_recv(&lpwhr->netConnection, lpBuffer,
1737                              min(dwNumOfBytesToRead, lpwhr->dwContentLength - lpwhr->dwContentRead),
1738                              bWait ? MSG_WAITALL : 0, &bytes_read))
1739             {
1740
1741                 if (((lpwhr->dwContentLength != -1) &&
1742                      (lpwhr->dwContentRead != lpwhr->dwContentLength)))
1743                     ERR("not all data received %d/%d\n", lpwhr->dwContentRead,
1744                         lpwhr->dwContentLength);
1745
1746                 /* always returns TRUE, even if the network layer returns an
1747                  * error */
1748                 *pdwNumOfBytesRead = 0;
1749                 HTTP_FinishedReading(lpwhr);
1750                 retval = TRUE;
1751             }
1752             else
1753             {
1754                 lpwhr->dwContentRead += bytes_read;
1755                 *pdwNumOfBytesRead = bytes_read;
1756                 if (!bytes_read && (lpwhr->dwContentRead == lpwhr->dwContentLength))
1757                     retval = HTTP_FinishedReading(lpwhr);
1758                 else
1759                     retval = TRUE;
1760             }
1761             break;
1762
1763         case WH_HFILE:
1764             /* FIXME: FTP should use NETCON_ stuff */
1765             nSocket = ((LPWININETFTPFILE)lpwh)->nDataSocket;
1766             if (nSocket != -1)
1767             {
1768                 int res = recv(nSocket, lpBuffer, dwNumOfBytesToRead, bWait ? MSG_WAITALL : 0);
1769                 retval = (res >= 0);
1770                 *pdwNumOfBytesRead = retval ? res : 0;
1771             }
1772             break;
1773
1774         default:
1775             break;
1776     }
1777
1778     if (bSendCompletionStatus)
1779     {
1780         INTERNET_ASYNC_RESULT iar;
1781
1782         iar.dwResult = retval;
1783         iar.dwError = iar.dwError = retval ? ERROR_SUCCESS :
1784                                              INTERNET_GetLastError();
1785
1786         INTERNET_SendCallback(lpwh, lpwh->dwContext,
1787                               INTERNET_STATUS_REQUEST_COMPLETE, &iar,
1788                               sizeof(INTERNET_ASYNC_RESULT));
1789     }
1790     return retval;
1791 }
1792
1793 /***********************************************************************
1794  *           InternetReadFile (WININET.@)
1795  *
1796  * Read data from an open internet file
1797  *
1798  * RETURNS
1799  *    TRUE  on success
1800  *    FALSE on failure
1801  *
1802  */
1803 BOOL WINAPI InternetReadFile(HINTERNET hFile, LPVOID lpBuffer,
1804         DWORD dwNumOfBytesToRead, LPDWORD pdwNumOfBytesRead)
1805 {
1806     LPWININETHANDLEHEADER lpwh;
1807     BOOL retval;
1808
1809     TRACE("%p %p %d %p\n", hFile, lpBuffer, dwNumOfBytesToRead, pdwNumOfBytesRead);
1810
1811     lpwh = WININET_GetObject( hFile );
1812     if (!lpwh)
1813     {
1814         INTERNET_SetLastError(ERROR_INVALID_HANDLE);
1815         return FALSE;
1816     }
1817
1818     retval = INTERNET_ReadFile(lpwh, lpBuffer, dwNumOfBytesToRead, pdwNumOfBytesRead, TRUE, FALSE);
1819     WININET_Release( lpwh );
1820
1821     TRACE("-- %s (bytes read: %d)\n", retval ? "TRUE": "FALSE", pdwNumOfBytesRead ? *pdwNumOfBytesRead : -1);
1822     return retval;
1823 }
1824
1825 /***********************************************************************
1826  *           InternetReadFileExA (WININET.@)
1827  *
1828  * Read data from an open internet file
1829  *
1830  * PARAMS
1831  *  hFile         [I] Handle returned by InternetOpenUrl or HttpOpenRequest.
1832  *  lpBuffersOut  [I/O] Buffer.
1833  *  dwFlags       [I] Flags. See notes.
1834  *  dwContext     [I] Context for callbacks.
1835  *
1836  * RETURNS
1837  *    TRUE  on success
1838  *    FALSE on failure
1839  *
1840  * NOTES
1841  *  The parameter dwFlags include zero or more of the following flags:
1842  *|IRF_ASYNC - Makes the call asynchronous.
1843  *|IRF_SYNC - Makes the call synchronous.
1844  *|IRF_USE_CONTEXT - Forces dwContext to be used.
1845  *|IRF_NO_WAIT - Don't block if the data is not available, just return what is available.
1846  *
1847  * However, in testing IRF_USE_CONTEXT seems to have no effect - dwContext isn't used.
1848  *
1849  * SEE
1850  *  InternetOpenUrlA(), HttpOpenRequestA()
1851  */
1852 void AsyncInternetReadFileExProc(WORKREQUEST *workRequest)
1853 {
1854     struct WORKREQ_INTERNETREADFILEEXA const *req = &workRequest->u.InternetReadFileExA;
1855
1856     TRACE("INTERNETREADFILEEXA %p\n", workRequest->hdr);
1857
1858     INTERNET_ReadFile(workRequest->hdr, req->lpBuffersOut->lpvBuffer,
1859         req->lpBuffersOut->dwBufferLength,
1860         &req->lpBuffersOut->dwBufferLength, TRUE, TRUE);
1861 }
1862
1863 BOOL WINAPI InternetReadFileExA(HINTERNET hFile, LPINTERNET_BUFFERSA lpBuffersOut,
1864         DWORD dwFlags, DWORD_PTR dwContext)
1865 {
1866     BOOL retval = FALSE;
1867     LPWININETHANDLEHEADER lpwh;
1868
1869     TRACE("(%p %p 0x%x 0x%lx)\n", hFile, lpBuffersOut, dwFlags, dwContext);
1870
1871     if (dwFlags & ~(IRF_ASYNC|IRF_NO_WAIT))
1872         FIXME("these dwFlags aren't implemented: 0x%x\n", dwFlags & ~(IRF_ASYNC|IRF_NO_WAIT));
1873
1874     if (lpBuffersOut->dwStructSize != sizeof(*lpBuffersOut))
1875     {
1876         INTERNET_SetLastError(ERROR_INVALID_PARAMETER);
1877         return FALSE;
1878     }
1879
1880     lpwh = (LPWININETHANDLEHEADER) WININET_GetObject( hFile );
1881     if (!lpwh)
1882     {
1883         INTERNET_SetLastError(ERROR_INVALID_HANDLE);
1884         return FALSE;
1885     }
1886
1887     INTERNET_SendCallback(lpwh, lpwh->dwContext,
1888                           INTERNET_STATUS_RECEIVING_RESPONSE, NULL, 0);
1889
1890     /* FIXME: IRF_ASYNC may not be the right thing to test here;
1891      * hIC->hdr.dwFlags & INTERNET_FLAG_ASYNC is probably better */
1892     if (dwFlags & IRF_ASYNC)
1893     {
1894         DWORD dwDataAvailable = 0;
1895
1896         if (lpwh->htype == WH_HHTTPREQ)
1897             NETCON_query_data_available(&((LPWININETHTTPREQW)lpwh)->netConnection,
1898                                         &dwDataAvailable);
1899
1900         if (!dwDataAvailable)
1901         {
1902             WORKREQUEST workRequest;
1903             struct WORKREQ_INTERNETREADFILEEXA *req;
1904
1905             workRequest.asyncproc = AsyncInternetReadFileExProc;
1906             workRequest.hdr = WININET_AddRef( lpwh );
1907             req = &workRequest.u.InternetReadFileExA;
1908             req->lpBuffersOut = lpBuffersOut;
1909
1910             if (!INTERNET_AsyncCall(&workRequest))
1911                 WININET_Release( lpwh );
1912             else
1913                 INTERNET_SetLastError(ERROR_IO_PENDING);
1914             goto end;
1915         }
1916     }
1917
1918     retval = INTERNET_ReadFile(lpwh, lpBuffersOut->lpvBuffer,
1919         lpBuffersOut->dwBufferLength, &lpBuffersOut->dwBufferLength,
1920         !(dwFlags & IRF_NO_WAIT), FALSE);
1921
1922     if (retval)
1923     {
1924         DWORD dwBytesReceived = lpBuffersOut->dwBufferLength;
1925         INTERNET_SendCallback(lpwh, lpwh->dwContext,
1926                               INTERNET_STATUS_RESPONSE_RECEIVED, &dwBytesReceived,
1927                               sizeof(dwBytesReceived));
1928     }
1929
1930 end:
1931     WININET_Release( lpwh );
1932
1933     TRACE("-- %s (bytes read: %d)\n", retval ? "TRUE": "FALSE", lpBuffersOut->dwBufferLength);
1934     return retval;
1935 }
1936
1937 /***********************************************************************
1938  *           InternetReadFileExW (WININET.@)
1939  *
1940  * Read data from an open internet file.
1941  *
1942  * PARAMS
1943  *  hFile         [I] Handle returned by InternetOpenUrl() or HttpOpenRequest().
1944  *  lpBuffersOut  [I/O] Buffer.
1945  *  dwFlags       [I] Flags.
1946  *  dwContext     [I] Context for callbacks.
1947  *
1948  * RETURNS
1949  *    FALSE, last error is set to ERROR_CALL_NOT_IMPLEMENTED
1950  *
1951  * NOTES
1952  *  Not implemented in Wine or native either (as of IE6 SP2).
1953  *
1954  */
1955 BOOL WINAPI InternetReadFileExW(HINTERNET hFile, LPINTERNET_BUFFERSW lpBuffer,
1956         DWORD dwFlags, DWORD_PTR dwContext)
1957 {
1958   ERR("(%p, %p, 0x%x, 0x%lx): not implemented in native\n", hFile, lpBuffer, dwFlags, dwContext);
1959
1960   INTERNET_SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1961   return FALSE;
1962 }
1963
1964 /***********************************************************************
1965  *           INET_QueryOptionHelper (internal)
1966  */
1967 static BOOL INET_QueryOptionHelper(BOOL bIsUnicode, HINTERNET hInternet, DWORD dwOption,
1968                                    LPVOID lpBuffer, LPDWORD lpdwBufferLength)
1969 {
1970     LPWININETHANDLEHEADER lpwhh;
1971     BOOL bSuccess = FALSE;
1972
1973     TRACE("(%p, 0x%08x, %p, %p)\n", hInternet, dwOption, lpBuffer, lpdwBufferLength);
1974
1975     lpwhh = (LPWININETHANDLEHEADER) WININET_GetObject( hInternet );
1976
1977     switch (dwOption)
1978     {
1979         case INTERNET_OPTION_HANDLE_TYPE:
1980         {
1981             ULONG type;
1982
1983             if (!lpwhh)
1984             {
1985                 WARN("Invalid hInternet handle\n");
1986                 INTERNET_SetLastError(ERROR_INVALID_HANDLE);
1987                 return FALSE;
1988             }
1989
1990             type = lpwhh->htype;
1991
1992             TRACE("INTERNET_OPTION_HANDLE_TYPE: %d\n", type);
1993
1994             if (*lpdwBufferLength < sizeof(ULONG))
1995                 INTERNET_SetLastError(ERROR_INSUFFICIENT_BUFFER);
1996             else
1997             {
1998                 memcpy(lpBuffer, &type, sizeof(ULONG));
1999                 bSuccess = TRUE;
2000             }
2001             *lpdwBufferLength = sizeof(ULONG);
2002             break;
2003         }
2004
2005         case INTERNET_OPTION_REQUEST_FLAGS:
2006         {
2007             ULONG flags = 4;
2008             TRACE("INTERNET_OPTION_REQUEST_FLAGS: %d\n", flags);
2009             if (*lpdwBufferLength < sizeof(ULONG))
2010                 INTERNET_SetLastError(ERROR_INSUFFICIENT_BUFFER);
2011             else
2012             {
2013                 memcpy(lpBuffer, &flags, sizeof(ULONG));
2014                 bSuccess = TRUE;
2015             }
2016             *lpdwBufferLength = sizeof(ULONG);
2017             break;
2018         }
2019
2020         case INTERNET_OPTION_URL:
2021         case INTERNET_OPTION_DATAFILE_NAME:
2022         {
2023             if (!lpwhh)
2024             {
2025                 WARN("Invalid hInternet handle\n");
2026                 INTERNET_SetLastError(ERROR_INVALID_HANDLE);
2027                 return FALSE;
2028             }
2029             if (lpwhh->htype == WH_HHTTPREQ)
2030             {
2031                 LPWININETHTTPREQW lpreq = (LPWININETHTTPREQW) lpwhh;
2032                 WCHAR url[1023];
2033                 static const WCHAR szFmt[] = {'h','t','t','p',':','/','/','%','s','%','s',0};
2034                 static const WCHAR szHost[] = {'H','o','s','t',0};
2035                 DWORD sizeRequired;
2036                 LPHTTPHEADERW Host;
2037
2038                 Host = HTTP_GetHeader(lpreq,szHost);
2039                 sprintfW(url,szFmt,Host->lpszValue,lpreq->lpszPath);
2040                 TRACE("INTERNET_OPTION_URL: %s\n",debugstr_w(url));
2041                 if(!bIsUnicode)
2042                 {
2043                     sizeRequired = WideCharToMultiByte(CP_ACP,0,url,-1,
2044                      lpBuffer,*lpdwBufferLength,NULL,NULL);
2045                     if (sizeRequired > *lpdwBufferLength)
2046                         INTERNET_SetLastError(ERROR_INSUFFICIENT_BUFFER);
2047                     else
2048                         bSuccess = TRUE;
2049                     *lpdwBufferLength = sizeRequired;
2050                 }
2051                 else
2052                 {
2053                     sizeRequired = (lstrlenW(url)+1) * sizeof(WCHAR);
2054                     if (*lpdwBufferLength < sizeRequired)
2055                         INTERNET_SetLastError(ERROR_INSUFFICIENT_BUFFER);
2056                     else
2057                     {
2058                         strcpyW(lpBuffer, url);
2059                         bSuccess = TRUE;
2060                     }
2061                     *lpdwBufferLength = sizeRequired;
2062                 }
2063             }
2064             break;
2065         }
2066         case INTERNET_OPTION_HTTP_VERSION:
2067         {
2068             if (*lpdwBufferLength < sizeof(HTTP_VERSION_INFO))
2069                 INTERNET_SetLastError(ERROR_INSUFFICIENT_BUFFER);
2070             else
2071             {
2072                 /*
2073                  * Presently hardcoded to 1.1
2074                  */
2075                 ((HTTP_VERSION_INFO*)lpBuffer)->dwMajorVersion = 1;
2076                 ((HTTP_VERSION_INFO*)lpBuffer)->dwMinorVersion = 1;
2077                 bSuccess = TRUE;
2078             }
2079             *lpdwBufferLength = sizeof(HTTP_VERSION_INFO);
2080             break;
2081         }
2082        case INTERNET_OPTION_CONNECTED_STATE:
2083        {
2084             DWORD *pdwConnectedState = (DWORD *)lpBuffer;
2085             FIXME("INTERNET_OPTION_CONNECTED_STATE: semi-stub\n");
2086
2087             if (*lpdwBufferLength < sizeof(*pdwConnectedState))
2088                  INTERNET_SetLastError(ERROR_INSUFFICIENT_BUFFER);
2089             else
2090             {
2091                 *pdwConnectedState = INTERNET_STATE_CONNECTED;
2092                 bSuccess = TRUE;
2093             }
2094             *lpdwBufferLength = sizeof(*pdwConnectedState);
2095             break;
2096         }
2097         case INTERNET_OPTION_PROXY:
2098         {
2099             LPWININETAPPINFOW lpwai = (LPWININETAPPINFOW)lpwhh;
2100             WININETAPPINFOW wai;
2101
2102             if (lpwai == NULL)
2103             {
2104                 TRACE("Getting global proxy info\n");
2105                 memset(&wai, 0, sizeof(WININETAPPINFOW));
2106                 INTERNET_ConfigureProxyFromReg( &wai );
2107                 lpwai = &wai;
2108             }
2109
2110             if (bIsUnicode)
2111             {
2112                 INTERNET_PROXY_INFOW *pPI = (INTERNET_PROXY_INFOW *)lpBuffer;
2113                 DWORD proxyBytesRequired = 0, proxyBypassBytesRequired = 0;
2114
2115                 if (lpwai->lpszProxy)
2116                     proxyBytesRequired = (lstrlenW(lpwai->lpszProxy) + 1) *
2117                      sizeof(WCHAR);
2118                 if (lpwai->lpszProxyBypass)
2119                     proxyBypassBytesRequired =
2120                      (lstrlenW(lpwai->lpszProxyBypass) + 1) * sizeof(WCHAR);
2121                 if (*lpdwBufferLength < sizeof(INTERNET_PROXY_INFOW) +
2122                  proxyBytesRequired + proxyBypassBytesRequired)
2123                     INTERNET_SetLastError(ERROR_INSUFFICIENT_BUFFER);
2124                 else
2125                 {
2126                     LPWSTR proxy = (LPWSTR)((LPBYTE)lpBuffer +
2127                                             sizeof(INTERNET_PROXY_INFOW));
2128                     LPWSTR proxy_bypass = (LPWSTR)((LPBYTE)lpBuffer +
2129                                                    sizeof(INTERNET_PROXY_INFOW) +
2130                                                    proxyBytesRequired);
2131
2132                     pPI->dwAccessType = lpwai->dwAccessType;
2133                     pPI->lpszProxy = NULL;
2134                     pPI->lpszProxyBypass = NULL;
2135                     if (lpwai->lpszProxy)
2136                     {
2137                         lstrcpyW(proxy, lpwai->lpszProxy);
2138                         pPI->lpszProxy = proxy;
2139                     }
2140
2141                     if (lpwai->lpszProxyBypass)
2142                     {
2143                         lstrcpyW(proxy_bypass, lpwai->lpszProxyBypass);
2144                         pPI->lpszProxyBypass = proxy_bypass;
2145                     }
2146                     bSuccess = TRUE;
2147                 }
2148                 *lpdwBufferLength = sizeof(INTERNET_PROXY_INFOW) +
2149                  proxyBytesRequired + proxyBypassBytesRequired;
2150             }
2151             else
2152             {
2153                 INTERNET_PROXY_INFOA *pPI = (INTERNET_PROXY_INFOA *)lpBuffer;
2154                 DWORD proxyBytesRequired = 0, proxyBypassBytesRequired = 0;
2155
2156                 if (lpwai->lpszProxy)
2157                     proxyBytesRequired = WideCharToMultiByte(CP_ACP, 0,
2158                      lpwai->lpszProxy, -1, NULL, 0, NULL, NULL);
2159                 if (lpwai->lpszProxyBypass)
2160                     proxyBypassBytesRequired = WideCharToMultiByte(CP_ACP, 0,
2161                      lpwai->lpszProxyBypass, -1, NULL, 0, NULL, NULL);
2162                 if (*lpdwBufferLength < sizeof(INTERNET_PROXY_INFOA) +
2163                  proxyBytesRequired + proxyBypassBytesRequired)
2164                     INTERNET_SetLastError(ERROR_INSUFFICIENT_BUFFER);
2165                 else
2166                 {
2167                     LPSTR proxy = (LPSTR)((LPBYTE)lpBuffer +
2168                                           sizeof(INTERNET_PROXY_INFOA));
2169                     LPSTR proxy_bypass = (LPSTR)((LPBYTE)lpBuffer +
2170                                                  sizeof(INTERNET_PROXY_INFOA) +
2171                                                  proxyBytesRequired);
2172
2173                     pPI->dwAccessType = lpwai->dwAccessType;
2174                     pPI->lpszProxy = NULL;
2175                     pPI->lpszProxyBypass = NULL;
2176                     if (lpwai->lpszProxy)
2177                     {
2178                         WideCharToMultiByte(CP_ACP, 0, lpwai->lpszProxy, -1,
2179                                             proxy, proxyBytesRequired, NULL, NULL);
2180                         pPI->lpszProxy = proxy;
2181                     }
2182
2183                     if (lpwai->lpszProxyBypass)
2184                     {
2185                         WideCharToMultiByte(CP_ACP, 0, lpwai->lpszProxyBypass,
2186                                             -1, proxy_bypass, proxyBypassBytesRequired,
2187                                             NULL, NULL);
2188                         pPI->lpszProxyBypass = proxy_bypass;
2189                     }
2190                     bSuccess = TRUE;
2191                 }
2192                 *lpdwBufferLength = sizeof(INTERNET_PROXY_INFOA) +
2193                  proxyBytesRequired + proxyBypassBytesRequired;
2194             }
2195             break;
2196         }
2197         case INTERNET_OPTION_MAX_CONNS_PER_SERVER:
2198         {
2199             ULONG conn = 2;
2200             TRACE("INTERNET_OPTION_MAX_CONNS_PER_SERVER: %d\n", conn);
2201             if (*lpdwBufferLength < sizeof(ULONG))
2202                 INTERNET_SetLastError(ERROR_INSUFFICIENT_BUFFER);
2203             else
2204             {
2205                 memcpy(lpBuffer, &conn, sizeof(ULONG));
2206                 bSuccess = TRUE;
2207             }
2208             *lpdwBufferLength = sizeof(ULONG);
2209             break;
2210         }
2211         case INTERNET_OPTION_MAX_CONNS_PER_1_0_SERVER:
2212         {
2213             ULONG conn = 4;
2214             TRACE("INTERNET_OPTION_MAX_CONNS_1_0_SERVER: %d\n", conn);
2215             if (*lpdwBufferLength < sizeof(ULONG))
2216                 INTERNET_SetLastError(ERROR_INSUFFICIENT_BUFFER);
2217             else
2218             {
2219                 memcpy(lpBuffer, &conn, sizeof(ULONG));
2220                 bSuccess = TRUE;
2221             }
2222             *lpdwBufferLength = sizeof(ULONG);
2223             break;
2224         }
2225         case INTERNET_OPTION_SECURITY_FLAGS:
2226             FIXME("INTERNET_OPTION_SECURITY_FLAGS: Stub\n");
2227             break;
2228
2229         case INTERNET_OPTION_SECURITY_CERTIFICATE_STRUCT:
2230             if (!lpwhh)
2231             {
2232                 INTERNET_SetLastError(ERROR_INVALID_PARAMETER);
2233                 return FALSE;
2234             }
2235             if (*lpdwBufferLength < sizeof(INTERNET_CERTIFICATE_INFOW))
2236             {
2237                 *lpdwBufferLength = sizeof(INTERNET_CERTIFICATE_INFOW);
2238                 INTERNET_SetLastError(ERROR_INSUFFICIENT_BUFFER);
2239             }
2240             else if (lpwhh->htype == WH_HHTTPREQ)
2241             {
2242                 LPWININETHTTPREQW lpwhr;
2243                 PCCERT_CONTEXT context;
2244
2245                 lpwhr = (LPWININETHTTPREQW)lpwhh;
2246                 context = (PCCERT_CONTEXT)NETCON_GetCert(&(lpwhr->netConnection));
2247                 if (context)
2248                 {
2249                     LPINTERNET_CERTIFICATE_INFOW info = (LPINTERNET_CERTIFICATE_INFOW)lpBuffer;
2250                     DWORD strLen;
2251
2252                     memset(info,0,sizeof(INTERNET_CERTIFICATE_INFOW));
2253                     info->ftExpiry = context->pCertInfo->NotAfter;
2254                     info->ftStart = context->pCertInfo->NotBefore;
2255                     if (bIsUnicode)
2256                     {
2257                         strLen = CertNameToStrW(context->dwCertEncodingType,
2258                          &context->pCertInfo->Subject, CERT_SIMPLE_NAME_STR,
2259                          NULL, 0);
2260                         info->lpszSubjectInfo = LocalAlloc(0,
2261                          strLen * sizeof(WCHAR));
2262                         if (info->lpszSubjectInfo)
2263                             CertNameToStrW(context->dwCertEncodingType,
2264                              &context->pCertInfo->Subject, CERT_SIMPLE_NAME_STR,
2265                              info->lpszSubjectInfo, strLen);
2266                         strLen = CertNameToStrW(context->dwCertEncodingType,
2267                          &context->pCertInfo->Issuer, CERT_SIMPLE_NAME_STR,
2268                          NULL, 0);
2269                         info->lpszIssuerInfo = LocalAlloc(0,
2270                          strLen * sizeof(WCHAR));
2271                         if (info->lpszIssuerInfo)
2272                             CertNameToStrW(context->dwCertEncodingType,
2273                              &context->pCertInfo->Issuer, CERT_SIMPLE_NAME_STR,
2274                              info->lpszIssuerInfo, strLen);
2275                     }
2276                     else
2277                     {
2278                         LPINTERNET_CERTIFICATE_INFOA infoA =
2279                          (LPINTERNET_CERTIFICATE_INFOA)info;
2280
2281                         strLen = CertNameToStrA(context->dwCertEncodingType,
2282                          &context->pCertInfo->Subject, CERT_SIMPLE_NAME_STR,
2283                          NULL, 0);
2284                         infoA->lpszSubjectInfo = LocalAlloc(0, strLen);
2285                         if (infoA->lpszSubjectInfo)
2286                             CertNameToStrA(context->dwCertEncodingType,
2287                              &context->pCertInfo->Subject, CERT_SIMPLE_NAME_STR,
2288                              infoA->lpszSubjectInfo, strLen);
2289                         strLen = CertNameToStrA(context->dwCertEncodingType,
2290                          &context->pCertInfo->Issuer, CERT_SIMPLE_NAME_STR,
2291                          NULL, 0);
2292                         infoA->lpszIssuerInfo = LocalAlloc(0, strLen);
2293                         if (infoA->lpszIssuerInfo)
2294                             CertNameToStrA(context->dwCertEncodingType,
2295                              &context->pCertInfo->Issuer, CERT_SIMPLE_NAME_STR,
2296                              infoA->lpszIssuerInfo, strLen);
2297                     }
2298                     /*
2299                      * Contrary to MSDN, these do not appear to be set.
2300                      * lpszProtocolName
2301                      * lpszSignatureAlgName
2302                      * lpszEncryptionAlgName
2303                      * dwKeySize
2304                      */
2305                     CertFreeCertificateContext(context);
2306                     bSuccess = TRUE;
2307                 }
2308             }
2309             break;
2310         default:
2311             FIXME("Stub! %d\n", dwOption);
2312             break;
2313     }
2314     if (lpwhh)
2315         WININET_Release( lpwhh );
2316
2317     return bSuccess;
2318 }
2319
2320 /***********************************************************************
2321  *           InternetQueryOptionW (WININET.@)
2322  *
2323  * Queries an options on the specified handle
2324  *
2325  * RETURNS
2326  *    TRUE  on success
2327  *    FALSE on failure
2328  *
2329  */
2330 BOOL WINAPI InternetQueryOptionW(HINTERNET hInternet, DWORD dwOption,
2331                                  LPVOID lpBuffer, LPDWORD lpdwBufferLength)
2332 {
2333     return INET_QueryOptionHelper(TRUE, hInternet, dwOption, lpBuffer, lpdwBufferLength);
2334 }
2335
2336 /***********************************************************************
2337  *           InternetQueryOptionA (WININET.@)
2338  *
2339  * Queries an options on the specified handle
2340  *
2341  * RETURNS
2342  *    TRUE  on success
2343  *    FALSE on failure
2344  *
2345  */
2346 BOOL WINAPI InternetQueryOptionA(HINTERNET hInternet, DWORD dwOption,
2347                                  LPVOID lpBuffer, LPDWORD lpdwBufferLength)
2348 {
2349     return INET_QueryOptionHelper(FALSE, hInternet, dwOption, lpBuffer, lpdwBufferLength);
2350 }
2351
2352
2353 /***********************************************************************
2354  *           InternetSetOptionW (WININET.@)
2355  *
2356  * Sets an options on the specified handle
2357  *
2358  * RETURNS
2359  *    TRUE  on success
2360  *    FALSE on failure
2361  *
2362  */
2363 BOOL WINAPI InternetSetOptionW(HINTERNET hInternet, DWORD dwOption,
2364                            LPVOID lpBuffer, DWORD dwBufferLength)
2365 {
2366     LPWININETHANDLEHEADER lpwhh;
2367     BOOL ret = TRUE;
2368
2369     TRACE("0x%08x\n", dwOption);
2370
2371     lpwhh = (LPWININETHANDLEHEADER) WININET_GetObject( hInternet );
2372     if( !lpwhh )
2373         return FALSE;
2374
2375     switch (dwOption)
2376     {
2377     case INTERNET_OPTION_CALLBACK:
2378       {
2379         INTERNET_STATUS_CALLBACK callback = *(INTERNET_STATUS_CALLBACK *)lpBuffer;
2380         ret = (set_status_callback(lpwhh, callback, TRUE) != INTERNET_INVALID_STATUS_CALLBACK);
2381         break;
2382       }
2383     case INTERNET_OPTION_HTTP_VERSION:
2384       {
2385         HTTP_VERSION_INFO* pVersion=(HTTP_VERSION_INFO*)lpBuffer;
2386         FIXME("Option INTERNET_OPTION_HTTP_VERSION(%d,%d): STUB\n",pVersion->dwMajorVersion,pVersion->dwMinorVersion);
2387       }
2388       break;
2389     case INTERNET_OPTION_ERROR_MASK:
2390       {
2391         unsigned long flags=*(unsigned long*)lpBuffer;
2392         FIXME("Option INTERNET_OPTION_ERROR_MASK(%ld): STUB\n",flags);
2393       }
2394       break;
2395     case INTERNET_OPTION_CODEPAGE:
2396       {
2397         unsigned long codepage=*(unsigned long*)lpBuffer;
2398         FIXME("Option INTERNET_OPTION_CODEPAGE (%ld): STUB\n",codepage);
2399       }
2400       break;
2401     case INTERNET_OPTION_REQUEST_PRIORITY:
2402       {
2403         unsigned long priority=*(unsigned long*)lpBuffer;
2404         FIXME("Option INTERNET_OPTION_REQUEST_PRIORITY (%ld): STUB\n",priority);
2405       }
2406       break;
2407     case INTERNET_OPTION_CONNECT_TIMEOUT:
2408       {
2409         unsigned long connecttimeout=*(unsigned long*)lpBuffer;
2410         FIXME("Option INTERNET_OPTION_CONNECT_TIMEOUT (%ld): STUB\n",connecttimeout);
2411       }
2412       break;
2413     case INTERNET_OPTION_DATA_RECEIVE_TIMEOUT:
2414       {
2415         unsigned long receivetimeout=*(unsigned long*)lpBuffer;
2416         FIXME("Option INTERNET_OPTION_DATA_RECEIVE_TIMEOUT (%ld): STUB\n",receivetimeout);
2417       }
2418       break;
2419     case INTERNET_OPTION_MAX_CONNS_PER_SERVER:
2420       {
2421         unsigned long conns=*(unsigned long*)lpBuffer;
2422         FIXME("Option INTERNET_OPTION_MAX_CONNS_PER_SERVER (%ld): STUB\n",conns);
2423       }
2424       break;
2425     case INTERNET_OPTION_MAX_CONNS_PER_1_0_SERVER:
2426       {
2427         unsigned long conns=*(unsigned long*)lpBuffer;
2428         FIXME("Option INTERNET_OPTION_MAX_CONNS_PER_1_0_SERVER (%ld): STUB\n",conns);
2429       }
2430       break;
2431     case INTERNET_OPTION_RESET_URLCACHE_SESSION:
2432         FIXME("Option INTERNET_OPTION_RESET_URLCACHE_SESSION: STUB\n");
2433         break;
2434     case INTERNET_OPTION_END_BROWSER_SESSION:
2435         FIXME("Option INTERNET_OPTION_END_BROWSER_SESSION: STUB\n");
2436         break;
2437     case INTERNET_OPTION_CONNECTED_STATE:
2438         FIXME("Option INTERNET_OPTION_CONNECTED_STATE: STUB\n");
2439         break;
2440     case INTERNET_OPTION_DISABLE_PASSPORT_AUTH:
2441         TRACE("Option INTERNET_OPTION_DISABLE_PASSPORT_AUTH: harmless stub, since not enabled\n");
2442         break;
2443     case INTERNET_OPTION_SEND_TIMEOUT:
2444     case INTERNET_OPTION_RECEIVE_TIMEOUT:
2445         TRACE("INTERNET_OPTION_SEND/RECEIVE_TIMEOUT\n");
2446         if (dwBufferLength == sizeof(DWORD))
2447         {
2448             if (lpwhh->htype == WH_HHTTPREQ)
2449                 ret = NETCON_set_timeout(
2450                     &((LPWININETHTTPREQW)lpwhh)->netConnection,
2451                     dwOption == INTERNET_OPTION_SEND_TIMEOUT,
2452                     *(DWORD *)lpBuffer);
2453             else
2454             {
2455                 FIXME("INTERNET_OPTION_SEND/RECEIVE_TIMEOUT not supported on protocol %d\n",
2456                       lpwhh->htype);
2457             }
2458         }
2459         else
2460         {
2461             INTERNET_SetLastError(ERROR_INVALID_PARAMETER);
2462             ret = FALSE;
2463         }
2464         break;
2465     case INTERNET_OPTION_CONNECT_RETRIES:
2466         FIXME("Option INTERNET_OPTION_CONNECT_RETRIES: STUB\n");
2467         break;
2468     case INTERNET_OPTION_CONTEXT_VALUE:
2469          FIXME("Option INTERNET_OPTION_CONTEXT_VALUE; STUB\n");
2470          break;
2471     case INTERNET_OPTION_SECURITY_FLAGS:
2472          FIXME("Option INTERNET_OPTION_SECURITY_FLAGS; STUB\n");
2473          break;
2474     default:
2475         FIXME("Option %d STUB\n",dwOption);
2476         INTERNET_SetLastError(ERROR_INVALID_PARAMETER);
2477         ret = FALSE;
2478         break;
2479     }
2480     WININET_Release( lpwhh );
2481
2482     return ret;
2483 }
2484
2485
2486 /***********************************************************************
2487  *           InternetSetOptionA (WININET.@)
2488  *
2489  * Sets an options on the specified handle.
2490  *
2491  * RETURNS
2492  *    TRUE  on success
2493  *    FALSE on failure
2494  *
2495  */
2496 BOOL WINAPI InternetSetOptionA(HINTERNET hInternet, DWORD dwOption,
2497                            LPVOID lpBuffer, DWORD dwBufferLength)
2498 {
2499     LPVOID wbuffer;
2500     DWORD wlen;
2501     BOOL r;
2502
2503     switch( dwOption )
2504     {
2505     case INTERNET_OPTION_CALLBACK:
2506         {
2507         LPWININETHANDLEHEADER lpwh;
2508         INTERNET_STATUS_CALLBACK callback = *(INTERNET_STATUS_CALLBACK *)lpBuffer;
2509
2510         if (!(lpwh = (LPWININETHANDLEHEADER)WININET_GetObject(hInternet))) return FALSE;
2511         r = (set_status_callback(lpwh, callback, FALSE) != INTERNET_INVALID_STATUS_CALLBACK);
2512         WININET_Release(lpwh);
2513         return r;
2514         }
2515     case INTERNET_OPTION_PROXY:
2516         {
2517         LPINTERNET_PROXY_INFOA pi = (LPINTERNET_PROXY_INFOA) lpBuffer;
2518         LPINTERNET_PROXY_INFOW piw;
2519         DWORD proxlen, prbylen;
2520         LPWSTR prox, prby;
2521
2522         proxlen = MultiByteToWideChar( CP_ACP, 0, pi->lpszProxy, -1, NULL, 0);
2523         prbylen= MultiByteToWideChar( CP_ACP, 0, pi->lpszProxyBypass, -1, NULL, 0);
2524         wlen = sizeof(*piw) + proxlen + prbylen;
2525         wbuffer = HeapAlloc( GetProcessHeap(), 0, wlen*sizeof(WCHAR) );
2526         piw = (LPINTERNET_PROXY_INFOW) wbuffer;
2527         piw->dwAccessType = pi->dwAccessType;
2528         prox = (LPWSTR) &piw[1];
2529         prby = &prox[proxlen+1];
2530         MultiByteToWideChar( CP_ACP, 0, pi->lpszProxy, -1, prox, proxlen);
2531         MultiByteToWideChar( CP_ACP, 0, pi->lpszProxyBypass, -1, prby, prbylen);
2532         piw->lpszProxy = prox;
2533         piw->lpszProxyBypass = prby;
2534         }
2535         break;
2536     case INTERNET_OPTION_USER_AGENT:
2537     case INTERNET_OPTION_USERNAME:
2538     case INTERNET_OPTION_PASSWORD:
2539         wlen = MultiByteToWideChar( CP_ACP, 0, lpBuffer, dwBufferLength,
2540                                    NULL, 0 );
2541         wbuffer = HeapAlloc( GetProcessHeap(), 0, wlen*sizeof(WCHAR) );
2542         MultiByteToWideChar( CP_ACP, 0, lpBuffer, dwBufferLength,
2543                                    wbuffer, wlen );
2544         break;
2545     default:
2546         wbuffer = lpBuffer;
2547         wlen = dwBufferLength;
2548     }
2549
2550     r = InternetSetOptionW(hInternet,dwOption, wbuffer, wlen);
2551
2552     if( lpBuffer != wbuffer )
2553         HeapFree( GetProcessHeap(), 0, wbuffer );
2554
2555     return r;
2556 }
2557
2558
2559 /***********************************************************************
2560  *           InternetSetOptionExA (WININET.@)
2561  */
2562 BOOL WINAPI InternetSetOptionExA(HINTERNET hInternet, DWORD dwOption,
2563                            LPVOID lpBuffer, DWORD dwBufferLength, DWORD dwFlags)
2564 {
2565     FIXME("Flags %08x ignored\n", dwFlags);
2566     return InternetSetOptionA( hInternet, dwOption, lpBuffer, dwBufferLength );
2567 }
2568
2569 /***********************************************************************
2570  *           InternetSetOptionExW (WININET.@)
2571  */
2572 BOOL WINAPI InternetSetOptionExW(HINTERNET hInternet, DWORD dwOption,
2573                            LPVOID lpBuffer, DWORD dwBufferLength, DWORD dwFlags)
2574 {
2575     FIXME("Flags %08x ignored\n", dwFlags);
2576     if( dwFlags & ~ISO_VALID_FLAGS )
2577     {
2578         INTERNET_SetLastError( ERROR_INVALID_PARAMETER );
2579         return FALSE;
2580     }
2581     return InternetSetOptionW( hInternet, dwOption, lpBuffer, dwBufferLength );
2582 }
2583
2584 static const WCHAR WININET_wkday[7][4] =
2585     { { 'S','u','n', 0 }, { 'M','o','n', 0 }, { 'T','u','e', 0 }, { 'W','e','d', 0 },
2586       { 'T','h','u', 0 }, { 'F','r','i', 0 }, { 'S','a','t', 0 } };
2587 static const WCHAR WININET_month[12][4] =
2588     { { 'J','a','n', 0 }, { 'F','e','b', 0 }, { 'M','a','r', 0 }, { 'A','p','r', 0 },
2589       { 'M','a','y', 0 }, { 'J','u','n', 0 }, { 'J','u','l', 0 }, { 'A','u','g', 0 },
2590       { 'S','e','p', 0 }, { 'O','c','t', 0 }, { 'N','o','v', 0 }, { 'D','e','c', 0 } };
2591
2592 /***********************************************************************
2593  *           InternetTimeFromSystemTimeA (WININET.@)
2594  */
2595 BOOL WINAPI InternetTimeFromSystemTimeA( const SYSTEMTIME* time, DWORD format, LPSTR string, DWORD size )
2596 {
2597     BOOL ret;
2598     WCHAR stringW[INTERNET_RFC1123_BUFSIZE];
2599
2600     TRACE( "%p 0x%08x %p 0x%08x\n", time, format, string, size );
2601
2602     ret = InternetTimeFromSystemTimeW( time, format, stringW, sizeof(stringW) );
2603     if (ret) WideCharToMultiByte( CP_ACP, 0, stringW, -1, string, size, NULL, NULL );
2604
2605     return ret;
2606 }
2607
2608 /***********************************************************************
2609  *           InternetTimeFromSystemTimeW (WININET.@)
2610  */
2611 BOOL WINAPI InternetTimeFromSystemTimeW( const SYSTEMTIME* time, DWORD format, LPWSTR string, DWORD size )
2612 {
2613     static const WCHAR date[] =
2614         { '%','s',',',' ','%','0','2','d',' ','%','s',' ','%','4','d',' ','%','0',
2615           '2','d',':','%','0','2','d',':','%','0','2','d',' ','G','M','T', 0 };
2616
2617     TRACE( "%p 0x%08x %p 0x%08x\n", time, format, string, size );
2618
2619     if (!time || !string) return FALSE;
2620
2621     if (format != INTERNET_RFC1123_FORMAT || size < INTERNET_RFC1123_BUFSIZE * sizeof(WCHAR))
2622         return FALSE;
2623
2624     sprintfW( string, date,
2625               WININET_wkday[time->wDayOfWeek],
2626               time->wDay,
2627               WININET_month[time->wMonth - 1],
2628               time->wYear,
2629               time->wHour,
2630               time->wMinute,
2631               time->wSecond );
2632
2633     return TRUE;
2634 }
2635
2636 /***********************************************************************
2637  *           InternetTimeToSystemTimeA (WININET.@)
2638  */
2639 BOOL WINAPI InternetTimeToSystemTimeA( LPCSTR string, SYSTEMTIME* time, DWORD reserved )
2640 {
2641     BOOL ret = FALSE;
2642     WCHAR *stringW;
2643     int len;
2644
2645     TRACE( "%s %p 0x%08x\n", debugstr_a(string), time, reserved );
2646
2647     len = MultiByteToWideChar( CP_ACP, 0, string, -1, NULL, 0 );
2648     stringW = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
2649
2650     if (stringW)
2651     {
2652         MultiByteToWideChar( CP_ACP, 0, string, -1, stringW, len );
2653         ret = InternetTimeToSystemTimeW( stringW, time, reserved );
2654         HeapFree( GetProcessHeap(), 0, stringW );
2655     }
2656     return ret;
2657 }
2658
2659 /***********************************************************************
2660  *           InternetTimeToSystemTimeW (WININET.@)
2661  */
2662 BOOL WINAPI InternetTimeToSystemTimeW( LPCWSTR string, SYSTEMTIME* time, DWORD reserved )
2663 {
2664     unsigned int i;
2665     const WCHAR *s = string;
2666     WCHAR       *end;
2667
2668     TRACE( "%s %p 0x%08x\n", debugstr_w(string), time, reserved );
2669
2670     if (!string || !time) return FALSE;
2671
2672     /* Windows does this too */
2673     GetSystemTime( time );
2674
2675     /*  Convert an RFC1123 time such as 'Fri, 07 Jan 2005 12:06:35 GMT' into
2676      *  a SYSTEMTIME structure.
2677      */
2678
2679     while (*s && !isalphaW( *s )) s++;
2680     if (s[0] == '\0' || s[1] == '\0' || s[2] == '\0') return TRUE;
2681     time->wDayOfWeek = 7;
2682
2683     for (i = 0; i < 7; i++)
2684     {
2685         if (toupperW( WININET_wkday[i][0] ) == toupperW( s[0] ) &&
2686             toupperW( WININET_wkday[i][1] ) == toupperW( s[1] ) &&
2687             toupperW( WININET_wkday[i][2] ) == toupperW( s[2] ) )
2688         {
2689             time->wDayOfWeek = i;
2690             break;
2691         }
2692     }
2693
2694     if (time->wDayOfWeek > 6) return TRUE;
2695     while (*s && !isdigitW( *s )) s++;
2696     time->wDay = strtolW( s, &end, 10 );
2697     s = end;
2698
2699     while (*s && !isalphaW( *s )) s++;
2700     if (s[0] == '\0' || s[1] == '\0' || s[2] == '\0') return TRUE;
2701     time->wMonth = 0;
2702
2703     for (i = 0; i < 12; i++)
2704     {
2705         if (toupperW( WININET_month[i][0]) == toupperW( s[0] ) &&
2706             toupperW( WININET_month[i][1]) == toupperW( s[1] ) &&
2707             toupperW( WININET_month[i][2]) == toupperW( s[2] ) )
2708         {
2709             time->wMonth = i + 1;
2710             break;
2711         }
2712     }
2713     if (time->wMonth == 0) return TRUE;
2714
2715     while (*s && !isdigitW( *s )) s++;
2716     if (*s == '\0') return TRUE;
2717     time->wYear = strtolW( s, &end, 10 );
2718     s = end;
2719
2720     while (*s && !isdigitW( *s )) s++;
2721     if (*s == '\0') return TRUE;
2722     time->wHour = strtolW( s, &end, 10 );
2723     s = end;
2724
2725     while (*s && !isdigitW( *s )) s++;
2726     if (*s == '\0') return TRUE;
2727     time->wMinute = strtolW( s, &end, 10 );
2728     s = end;
2729
2730     while (*s && !isdigitW( *s )) s++;
2731     if (*s == '\0') return TRUE;
2732     time->wSecond = strtolW( s, &end, 10 );
2733     s = end;
2734
2735     time->wMilliseconds = 0;
2736     return TRUE;
2737 }
2738
2739 /***********************************************************************
2740  *      InternetCheckConnectionW (WININET.@)
2741  *
2742  * Pings a requested host to check internet connection
2743  *
2744  * RETURNS
2745  *   TRUE on success and FALSE on failure. If a failure then
2746  *   ERROR_NOT_CONNECTED is placed into GetLastError
2747  *
2748  */
2749 BOOL WINAPI InternetCheckConnectionW( LPCWSTR lpszUrl, DWORD dwFlags, DWORD dwReserved )
2750 {
2751 /*
2752  * this is a kludge which runs the resident ping program and reads the output.
2753  *
2754  * Anyone have a better idea?
2755  */
2756
2757   BOOL   rc = FALSE;
2758   static const CHAR ping[] = "ping -c 1 ";
2759   static const CHAR redirect[] = " >/dev/null 2>/dev/null";
2760   CHAR *command = NULL;
2761   WCHAR hostW[1024];
2762   DWORD len;
2763   INTERNET_PORT port;
2764   int status = -1;
2765
2766   FIXME("\n");
2767
2768   /*
2769    * Crack or set the Address
2770    */
2771   if (lpszUrl == NULL)
2772   {
2773      /*
2774       * According to the doc we are supost to use the ip for the next
2775       * server in the WnInet internal server database. I have
2776       * no idea what that is or how to get it.
2777       *
2778       * So someone needs to implement this.
2779       */
2780      FIXME("Unimplemented with URL of NULL\n");
2781      return TRUE;
2782   }
2783   else
2784   {
2785      URL_COMPONENTSW components;
2786
2787      ZeroMemory(&components,sizeof(URL_COMPONENTSW));
2788      components.lpszHostName = (LPWSTR)&hostW;
2789      components.dwHostNameLength = 1024;
2790
2791      if (!InternetCrackUrlW(lpszUrl,0,0,&components))
2792        goto End;
2793
2794      TRACE("host name : %s\n",debugstr_w(components.lpszHostName));
2795      port = components.nPort;
2796      TRACE("port: %d\n", port);
2797   }
2798
2799   if (dwFlags & FLAG_ICC_FORCE_CONNECTION)
2800   {
2801       struct sockaddr_in sin;
2802       int fd;
2803
2804       if (!GetAddress(hostW, port, &sin))
2805           goto End;
2806       fd = socket(sin.sin_family, SOCK_STREAM, 0);
2807       if (fd != -1)
2808       {
2809           if (connect(fd, (struct sockaddr *)&sin, sizeof(sin)) == 0)
2810               rc = TRUE;
2811           close(fd);
2812       }
2813   }
2814   else
2815   {
2816       /*
2817        * Build our ping command
2818        */
2819       len = WideCharToMultiByte(CP_UNIXCP, 0, hostW, -1, NULL, 0, NULL, NULL);
2820       command = HeapAlloc( GetProcessHeap(), 0, strlen(ping)+len+strlen(redirect) );
2821       strcpy(command,ping);
2822       WideCharToMultiByte(CP_UNIXCP, 0, hostW, -1, command+strlen(ping), len, NULL, NULL);
2823       strcat(command,redirect);
2824
2825       TRACE("Ping command is : %s\n",command);
2826
2827       status = system(command);
2828
2829       TRACE("Ping returned a code of %i\n",status);
2830
2831       /* Ping return code of 0 indicates success */
2832       if (status == 0)
2833          rc = TRUE;
2834   }
2835
2836 End:
2837
2838   HeapFree( GetProcessHeap(), 0, command );
2839   if (rc == FALSE)
2840     INTERNET_SetLastError(ERROR_NOT_CONNECTED);
2841
2842   return rc;
2843 }
2844
2845
2846 /***********************************************************************
2847  *      InternetCheckConnectionA (WININET.@)
2848  *
2849  * Pings a requested host to check internet connection
2850  *
2851  * RETURNS
2852  *   TRUE on success and FALSE on failure. If a failure then
2853  *   ERROR_NOT_CONNECTED is placed into GetLastError
2854  *
2855  */
2856 BOOL WINAPI InternetCheckConnectionA(LPCSTR lpszUrl, DWORD dwFlags, DWORD dwReserved)
2857 {
2858     WCHAR *szUrl;
2859     INT len;
2860     BOOL rc;
2861
2862     len = MultiByteToWideChar(CP_ACP, 0, lpszUrl, -1, NULL, 0);
2863     if (!(szUrl = HeapAlloc(GetProcessHeap(), 0, len*sizeof(WCHAR))))
2864         return FALSE;
2865     MultiByteToWideChar(CP_ACP, 0, lpszUrl, -1, szUrl, len);
2866     rc = InternetCheckConnectionW(szUrl, dwFlags, dwReserved);
2867     HeapFree(GetProcessHeap(), 0, szUrl);
2868
2869     return rc;
2870 }
2871
2872
2873 /**********************************************************
2874  *      INTERNET_InternetOpenUrlW (internal)
2875  *
2876  * Opens an URL
2877  *
2878  * RETURNS
2879  *   handle of connection or NULL on failure
2880  */
2881 HINTERNET WINAPI INTERNET_InternetOpenUrlW(LPWININETAPPINFOW hIC, LPCWSTR lpszUrl,
2882     LPCWSTR lpszHeaders, DWORD dwHeadersLength, DWORD dwFlags, DWORD_PTR dwContext)
2883 {
2884     URL_COMPONENTSW urlComponents;
2885     WCHAR protocol[32], hostName[MAXHOSTNAME], userName[1024];
2886     WCHAR password[1024], path[2048], extra[1024];
2887     HINTERNET client = NULL, client1 = NULL;
2888
2889     TRACE("(%p, %s, %s, %08x, %08x, %08lx)\n", hIC, debugstr_w(lpszUrl), debugstr_w(lpszHeaders),
2890           dwHeadersLength, dwFlags, dwContext);
2891
2892     urlComponents.dwStructSize = sizeof(URL_COMPONENTSW);
2893     urlComponents.lpszScheme = protocol;
2894     urlComponents.dwSchemeLength = 32;
2895     urlComponents.lpszHostName = hostName;
2896     urlComponents.dwHostNameLength = MAXHOSTNAME;
2897     urlComponents.lpszUserName = userName;
2898     urlComponents.dwUserNameLength = 1024;
2899     urlComponents.lpszPassword = password;
2900     urlComponents.dwPasswordLength = 1024;
2901     urlComponents.lpszUrlPath = path;
2902     urlComponents.dwUrlPathLength = 2048;
2903     urlComponents.lpszExtraInfo = extra;
2904     urlComponents.dwExtraInfoLength = 1024;
2905     if(!InternetCrackUrlW(lpszUrl, strlenW(lpszUrl), 0, &urlComponents))
2906         return NULL;
2907     switch(urlComponents.nScheme) {
2908     case INTERNET_SCHEME_FTP:
2909         if(urlComponents.nPort == 0)
2910             urlComponents.nPort = INTERNET_DEFAULT_FTP_PORT;
2911         client = FTP_Connect(hIC, hostName, urlComponents.nPort,
2912                              userName, password, dwFlags, dwContext, INET_OPENURL);
2913         if(client == NULL)
2914             break;
2915         client1 = FtpOpenFileW(client, path, GENERIC_READ, dwFlags, dwContext);
2916         if(client1 == NULL) {
2917             InternetCloseHandle(client);
2918             break;
2919         }
2920         break;
2921
2922     case INTERNET_SCHEME_HTTP:
2923     case INTERNET_SCHEME_HTTPS: {
2924         static const WCHAR szStars[] = { '*','/','*', 0 };
2925         LPCWSTR accept[2] = { szStars, NULL };
2926         if(urlComponents.nPort == 0) {
2927             if(urlComponents.nScheme == INTERNET_SCHEME_HTTP)
2928                 urlComponents.nPort = INTERNET_DEFAULT_HTTP_PORT;
2929             else
2930                 urlComponents.nPort = INTERNET_DEFAULT_HTTPS_PORT;
2931         }
2932         /* FIXME: should use pointers, not handles, as handles are not thread-safe */
2933         client = HTTP_Connect(hIC, hostName, urlComponents.nPort,
2934                               userName, password, dwFlags, dwContext, INET_OPENURL);
2935         if(client == NULL)
2936             break;
2937
2938         if (urlComponents.dwExtraInfoLength) {
2939                 WCHAR *path_extra;
2940                 DWORD len = urlComponents.dwUrlPathLength + urlComponents.dwExtraInfoLength + 1;
2941
2942                 if (!(path_extra = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR))))
2943                 {
2944                         InternetCloseHandle(client);
2945                         break;
2946                 }
2947                 strcpyW(path_extra, urlComponents.lpszUrlPath);
2948                 strcatW(path_extra, urlComponents.lpszExtraInfo);
2949                 client1 = HttpOpenRequestW(client, NULL, path_extra, NULL, NULL, accept, dwFlags, dwContext);
2950                 HeapFree(GetProcessHeap(), 0, path_extra);
2951         }
2952         else
2953                 client1 = HttpOpenRequestW(client, NULL, path, NULL, NULL, accept, dwFlags, dwContext);
2954
2955         if(client1 == NULL) {
2956             InternetCloseHandle(client);
2957             break;
2958         }
2959         HttpAddRequestHeadersW(client1, lpszHeaders, dwHeadersLength, HTTP_ADDREQ_FLAG_ADD);
2960         if (!HttpSendRequestW(client1, NULL, 0, NULL, 0) &&
2961             GetLastError() != ERROR_IO_PENDING) {
2962             InternetCloseHandle(client1);
2963             client1 = NULL;
2964             break;
2965         }
2966     }
2967     case INTERNET_SCHEME_GOPHER:
2968         /* gopher doesn't seem to be implemented in wine, but it's supposed
2969          * to be supported by InternetOpenUrlA. */
2970     default:
2971         INTERNET_SetLastError(ERROR_INTERNET_UNRECOGNIZED_SCHEME);
2972         break;
2973     }
2974
2975     TRACE(" %p <--\n", client1);
2976
2977     return client1;
2978 }
2979
2980 /**********************************************************
2981  *      InternetOpenUrlW (WININET.@)
2982  *
2983  * Opens an URL
2984  *
2985  * RETURNS
2986  *   handle of connection or NULL on failure
2987  */
2988 static void AsyncInternetOpenUrlProc(WORKREQUEST *workRequest)
2989 {
2990     struct WORKREQ_INTERNETOPENURLW const *req = &workRequest->u.InternetOpenUrlW;
2991     LPWININETAPPINFOW hIC = (LPWININETAPPINFOW) workRequest->hdr;
2992
2993     TRACE("%p\n", hIC);
2994
2995     INTERNET_InternetOpenUrlW(hIC, req->lpszUrl,
2996                               req->lpszHeaders, req->dwHeadersLength, req->dwFlags, req->dwContext);
2997     HeapFree(GetProcessHeap(), 0, req->lpszUrl);
2998     HeapFree(GetProcessHeap(), 0, req->lpszHeaders);
2999 }
3000
3001 HINTERNET WINAPI InternetOpenUrlW(HINTERNET hInternet, LPCWSTR lpszUrl,
3002     LPCWSTR lpszHeaders, DWORD dwHeadersLength, DWORD dwFlags, DWORD_PTR dwContext)
3003 {
3004     HINTERNET ret = NULL;
3005     LPWININETAPPINFOW hIC = NULL;
3006
3007     if (TRACE_ON(wininet)) {
3008         TRACE("(%p, %s, %s, %08x, %08x, %08lx)\n", hInternet, debugstr_w(lpszUrl), debugstr_w(lpszHeaders),
3009               dwHeadersLength, dwFlags, dwContext);
3010         TRACE("  flags :");
3011         dump_INTERNET_FLAGS(dwFlags);
3012     }
3013
3014     if (!lpszUrl)
3015     {
3016         INTERNET_SetLastError(ERROR_INVALID_PARAMETER);
3017         goto lend;
3018     }
3019
3020     hIC = (LPWININETAPPINFOW) WININET_GetObject( hInternet );
3021     if (NULL == hIC ||  hIC->hdr.htype != WH_HINIT) {
3022         INTERNET_SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
3023         goto lend;
3024     }
3025
3026     if (hIC->hdr.dwFlags & INTERNET_FLAG_ASYNC) {
3027         WORKREQUEST workRequest;
3028         struct WORKREQ_INTERNETOPENURLW *req;
3029
3030         workRequest.asyncproc = AsyncInternetOpenUrlProc;
3031         workRequest.hdr = WININET_AddRef( &hIC->hdr );
3032         req = &workRequest.u.InternetOpenUrlW;
3033         req->lpszUrl = WININET_strdupW(lpszUrl);
3034         if (lpszHeaders)
3035             req->lpszHeaders = WININET_strdupW(lpszHeaders);
3036         else
3037             req->lpszHeaders = 0;
3038         req->dwHeadersLength = dwHeadersLength;
3039         req->dwFlags = dwFlags;
3040         req->dwContext = dwContext;
3041
3042         INTERNET_AsyncCall(&workRequest);
3043         /*
3044          * This is from windows.
3045          */
3046         INTERNET_SetLastError(ERROR_IO_PENDING);
3047     } else {
3048         ret = INTERNET_InternetOpenUrlW(hIC, lpszUrl, lpszHeaders, dwHeadersLength, dwFlags, dwContext);
3049     }
3050
3051   lend:
3052     if( hIC )
3053         WININET_Release( &hIC->hdr );
3054     TRACE(" %p <--\n", ret);
3055
3056     return ret;
3057 }
3058
3059 /**********************************************************
3060  *      InternetOpenUrlA (WININET.@)
3061  *
3062  * Opens an URL
3063  *
3064  * RETURNS
3065  *   handle of connection or NULL on failure
3066  */
3067 HINTERNET WINAPI InternetOpenUrlA(HINTERNET hInternet, LPCSTR lpszUrl,
3068     LPCSTR lpszHeaders, DWORD dwHeadersLength, DWORD dwFlags, DWORD_PTR dwContext)
3069 {
3070     HINTERNET rc = (HINTERNET)NULL;
3071
3072     INT lenUrl;
3073     INT lenHeaders = 0;
3074     LPWSTR szUrl = NULL;
3075     LPWSTR szHeaders = NULL;
3076
3077     TRACE("\n");
3078
3079     if(lpszUrl) {
3080         lenUrl = MultiByteToWideChar(CP_ACP, 0, lpszUrl, -1, NULL, 0 );
3081         szUrl = HeapAlloc(GetProcessHeap(), 0, lenUrl*sizeof(WCHAR));
3082         if(!szUrl)
3083             return (HINTERNET)NULL;
3084         MultiByteToWideChar(CP_ACP, 0, lpszUrl, -1, szUrl, lenUrl);
3085     }
3086
3087     if(lpszHeaders) {
3088         lenHeaders = MultiByteToWideChar(CP_ACP, 0, lpszHeaders, dwHeadersLength, NULL, 0 );
3089         szHeaders = HeapAlloc(GetProcessHeap(), 0, lenHeaders*sizeof(WCHAR));
3090         if(!szHeaders) {
3091             HeapFree(GetProcessHeap(), 0, szUrl);
3092             return (HINTERNET)NULL;
3093         }
3094         MultiByteToWideChar(CP_ACP, 0, lpszHeaders, dwHeadersLength, szHeaders, lenHeaders);
3095     }
3096
3097     rc = InternetOpenUrlW(hInternet, szUrl, szHeaders,
3098         lenHeaders, dwFlags, dwContext);
3099
3100     HeapFree(GetProcessHeap(), 0, szUrl);
3101     HeapFree(GetProcessHeap(), 0, szHeaders);
3102
3103     return rc;
3104 }
3105
3106
3107 static LPWITHREADERROR INTERNET_AllocThreadError(void)
3108 {
3109     LPWITHREADERROR lpwite = HeapAlloc(GetProcessHeap(), 0, sizeof(*lpwite));
3110
3111     if (lpwite)
3112     {
3113         lpwite->dwError = 0;
3114         lpwite->response[0] = '\0';
3115     }
3116
3117     if (!TlsSetValue(g_dwTlsErrIndex, lpwite))
3118     {
3119         HeapFree(GetProcessHeap(), 0, lpwite);
3120         return NULL;
3121     }
3122
3123     return lpwite;
3124 }
3125
3126
3127 /***********************************************************************
3128  *           INTERNET_SetLastError (internal)
3129  *
3130  * Set last thread specific error
3131  *
3132  * RETURNS
3133  *
3134  */
3135 void INTERNET_SetLastError(DWORD dwError)
3136 {
3137     LPWITHREADERROR lpwite = (LPWITHREADERROR)TlsGetValue(g_dwTlsErrIndex);
3138
3139     if (!lpwite)
3140         lpwite = INTERNET_AllocThreadError();
3141
3142     SetLastError(dwError);
3143     if(lpwite)
3144         lpwite->dwError = dwError;
3145 }
3146
3147
3148 /***********************************************************************
3149  *           INTERNET_GetLastError (internal)
3150  *
3151  * Get last thread specific error
3152  *
3153  * RETURNS
3154  *
3155  */
3156 DWORD INTERNET_GetLastError(void)
3157 {
3158     LPWITHREADERROR lpwite = (LPWITHREADERROR)TlsGetValue(g_dwTlsErrIndex);
3159     if (!lpwite) return 0;
3160     /* TlsGetValue clears last error, so set it again here */
3161     SetLastError(lpwite->dwError);
3162     return lpwite->dwError;
3163 }
3164
3165
3166 /***********************************************************************
3167  *           INTERNET_WorkerThreadFunc (internal)
3168  *
3169  * Worker thread execution function
3170  *
3171  * RETURNS
3172  *
3173  */
3174 static DWORD CALLBACK INTERNET_WorkerThreadFunc(LPVOID lpvParam)
3175 {
3176     LPWORKREQUEST lpRequest = lpvParam;
3177     WORKREQUEST workRequest;
3178
3179     TRACE("\n");
3180
3181     memcpy(&workRequest, lpRequest, sizeof(WORKREQUEST));
3182     HeapFree(GetProcessHeap(), 0, lpRequest);
3183
3184     workRequest.asyncproc(&workRequest);
3185
3186     WININET_Release( workRequest.hdr );
3187     return TRUE;
3188 }
3189
3190
3191 /***********************************************************************
3192  *           INTERNET_AsyncCall (internal)
3193  *
3194  * Retrieves work request from queue
3195  *
3196  * RETURNS
3197  *
3198  */
3199 BOOL INTERNET_AsyncCall(LPWORKREQUEST lpWorkRequest)
3200 {
3201     BOOL bSuccess;
3202     LPWORKREQUEST lpNewRequest;
3203
3204     TRACE("\n");
3205
3206     lpNewRequest = HeapAlloc(GetProcessHeap(), 0, sizeof(WORKREQUEST));
3207     if (!lpNewRequest)
3208         return FALSE;
3209
3210     memcpy(lpNewRequest, lpWorkRequest, sizeof(WORKREQUEST));
3211
3212     bSuccess = QueueUserWorkItem(INTERNET_WorkerThreadFunc, lpNewRequest, WT_EXECUTELONGFUNCTION);
3213     if (!bSuccess)
3214     {
3215         HeapFree(GetProcessHeap(), 0, lpNewRequest);
3216         INTERNET_SetLastError(ERROR_INTERNET_ASYNC_THREAD_FAILED);
3217     }
3218
3219     return bSuccess;
3220 }
3221
3222
3223 /***********************************************************************
3224  *          INTERNET_GetResponseBuffer  (internal)
3225  *
3226  * RETURNS
3227  *
3228  */
3229 LPSTR INTERNET_GetResponseBuffer(void)
3230 {
3231     LPWITHREADERROR lpwite = (LPWITHREADERROR)TlsGetValue(g_dwTlsErrIndex);
3232     if (!lpwite)
3233         lpwite = INTERNET_AllocThreadError();
3234     TRACE("\n");
3235     return lpwite->response;
3236 }
3237
3238 /***********************************************************************
3239  *           INTERNET_GetNextLine  (internal)
3240  *
3241  * Parse next line in directory string listing
3242  *
3243  * RETURNS
3244  *   Pointer to beginning of next line
3245  *   NULL on failure
3246  *
3247  */
3248
3249 LPSTR INTERNET_GetNextLine(INT nSocket, LPDWORD dwLen)
3250 {
3251     struct timeval tv;
3252     fd_set infd;
3253     BOOL bSuccess = FALSE;
3254     INT nRecv = 0;
3255     LPSTR lpszBuffer = INTERNET_GetResponseBuffer();
3256
3257     TRACE("\n");
3258
3259     FD_ZERO(&infd);
3260     FD_SET(nSocket, &infd);
3261     tv.tv_sec=RESPONSE_TIMEOUT;
3262     tv.tv_usec=0;
3263
3264     while (nRecv < MAX_REPLY_LEN)
3265     {
3266         if (select(nSocket+1,&infd,NULL,NULL,&tv) > 0)
3267         {
3268             if (recv(nSocket, &lpszBuffer[nRecv], 1, 0) <= 0)
3269             {
3270                 INTERNET_SetLastError(ERROR_FTP_TRANSFER_IN_PROGRESS);
3271                 goto lend;
3272             }
3273
3274             if (lpszBuffer[nRecv] == '\n')
3275             {
3276                 bSuccess = TRUE;
3277                 break;
3278             }
3279             if (lpszBuffer[nRecv] != '\r')
3280                 nRecv++;
3281         }
3282         else
3283         {
3284             INTERNET_SetLastError(ERROR_INTERNET_TIMEOUT);
3285             goto lend;
3286         }
3287     }
3288
3289 lend:
3290     if (bSuccess)
3291     {
3292         lpszBuffer[nRecv] = '\0';
3293         *dwLen = nRecv - 1;
3294         TRACE(":%d %s\n", nRecv, lpszBuffer);
3295         return lpszBuffer;
3296     }
3297     else
3298     {
3299         return NULL;
3300     }
3301 }
3302
3303 /**********************************************************
3304  *      InternetQueryDataAvailable (WININET.@)
3305  *
3306  * Determines how much data is available to be read.
3307  *
3308  * RETURNS
3309  *   TRUE on success, FALSE if an error occurred. If
3310  *   INTERNET_FLAG_ASYNC was specified in InternetOpen, and
3311  *   no data is presently available, FALSE is returned with
3312  *   the last error ERROR_IO_PENDING; a callback with status
3313  *   INTERNET_STATUS_REQUEST_COMPLETE will be sent when more
3314  *   data is available.
3315  */
3316 void AsyncInternetQueryDataAvailableProc(WORKREQUEST *workRequest)
3317 {
3318     LPWININETHTTPREQW lpwhr;
3319     INTERNET_ASYNC_RESULT iar;
3320     char buffer[4048];
3321
3322     TRACE("INTERNETQUERYDATAAVAILABLE %p\n", workRequest->hdr);
3323
3324     switch (workRequest->hdr->htype)
3325     {
3326     case WH_HHTTPREQ:
3327         lpwhr = (LPWININETHTTPREQW)workRequest->hdr;
3328         iar.dwResult = NETCON_recv(&lpwhr->netConnection, buffer,
3329                                    min(sizeof(buffer),
3330                                        lpwhr->dwContentLength - lpwhr->dwContentRead),
3331                                    MSG_PEEK, (int *)&iar.dwError);
3332         INTERNET_SendCallback(workRequest->hdr, workRequest->hdr->dwContext,
3333                               INTERNET_STATUS_REQUEST_COMPLETE, &iar,
3334                               sizeof(INTERNET_ASYNC_RESULT));
3335         break;
3336
3337     default:
3338         FIXME("unsupported file type\n");
3339         break;
3340     }
3341 }
3342
3343 BOOL WINAPI InternetQueryDataAvailable( HINTERNET hFile,
3344                                 LPDWORD lpdwNumberOfBytesAvailble,
3345                                 DWORD dwFlags, DWORD_PTR dwContext)
3346 {
3347     LPWININETHTTPREQW lpwhr;
3348     BOOL retval = FALSE;
3349     char buffer[4048];
3350
3351     lpwhr = (LPWININETHTTPREQW) WININET_GetObject( hFile );
3352     if (NULL == lpwhr)
3353     {
3354         INTERNET_SetLastError(ERROR_NO_MORE_FILES);
3355         return FALSE;
3356     }
3357
3358     TRACE("-->  %p %i\n",lpwhr,lpwhr->hdr.htype);
3359
3360     switch (lpwhr->hdr.htype)
3361     {
3362     case WH_HHTTPREQ:
3363         retval = TRUE;
3364         if (NETCON_query_data_available(&lpwhr->netConnection,
3365                                         lpdwNumberOfBytesAvailble) &&
3366             !*lpdwNumberOfBytesAvailble)
3367         {
3368             /* Even if we are in async mode, we need to determine whether
3369              * there is actually more data available. We do this by trying
3370              * to peek only a single byte in async mode. */
3371             BOOL async = (lpwhr->lpHttpSession->lpAppInfo->hdr.dwFlags & INTERNET_FLAG_ASYNC);
3372             if (NETCON_recv(&lpwhr->netConnection, buffer,
3373                             min(async ? 1 : sizeof(buffer),
3374                                 lpwhr->dwContentLength - lpwhr->dwContentRead),
3375                             MSG_PEEK, (int *)lpdwNumberOfBytesAvailble) &&
3376                 async && *lpdwNumberOfBytesAvailble)
3377             {
3378                 WORKREQUEST workRequest;
3379
3380                 *lpdwNumberOfBytesAvailble = 0;
3381                 workRequest.asyncproc = AsyncInternetQueryDataAvailableProc;
3382                 workRequest.hdr = WININET_AddRef( &lpwhr->hdr );
3383
3384                 retval = INTERNET_AsyncCall(&workRequest);
3385                 if (!retval)
3386                 {
3387                     WININET_Release( &lpwhr->hdr );
3388                 }
3389                 else
3390                 {
3391                     INTERNET_SetLastError(ERROR_IO_PENDING);
3392                     retval = FALSE;
3393                 }
3394             }
3395         }
3396         break;
3397
3398     default:
3399         FIXME("unsupported file type\n");
3400         break;
3401     }
3402     WININET_Release( &lpwhr->hdr );
3403
3404     TRACE("<-- %i\n",retval);
3405     return retval;
3406 }
3407
3408
3409 /***********************************************************************
3410  *      InternetLockRequestFile (WININET.@)
3411  */
3412 BOOL WINAPI InternetLockRequestFile( HINTERNET hInternet, HANDLE
3413 *lphLockReqHandle)
3414 {
3415     FIXME("STUB\n");
3416     return FALSE;
3417 }
3418
3419 BOOL WINAPI InternetUnlockRequestFile( HANDLE hLockHandle)
3420 {
3421     FIXME("STUB\n");
3422     return FALSE;
3423 }
3424
3425
3426 /***********************************************************************
3427  *      InternetAutodial (WININET.@)
3428  *
3429  * On windows this function is supposed to dial the default internet
3430  * connection. We don't want to have Wine dial out to the internet so
3431  * we return TRUE by default. It might be nice to check if we are connected.
3432  *
3433  * RETURNS
3434  *   TRUE on success
3435  *   FALSE on failure
3436  *
3437  */
3438 BOOL WINAPI InternetAutodial(DWORD dwFlags, HWND hwndParent)
3439 {
3440     FIXME("STUB\n");
3441
3442     /* Tell that we are connected to the internet. */
3443     return TRUE;
3444 }
3445
3446 /***********************************************************************
3447  *      InternetAutodialHangup (WININET.@)
3448  *
3449  * Hangs up a connection made with InternetAutodial
3450  *
3451  * PARAM
3452  *    dwReserved
3453  * RETURNS
3454  *   TRUE on success
3455  *   FALSE on failure
3456  *
3457  */
3458 BOOL WINAPI InternetAutodialHangup(DWORD dwReserved)
3459 {
3460     FIXME("STUB\n");
3461
3462     /* we didn't dial, we don't disconnect */
3463     return TRUE;
3464 }
3465
3466 /***********************************************************************
3467  *      InternetCombineUrlA (WININET.@)
3468  *
3469  * Combine a base URL with a relative URL
3470  *
3471  * RETURNS
3472  *   TRUE on success
3473  *   FALSE on failure
3474  *
3475  */
3476
3477 BOOL WINAPI InternetCombineUrlA(LPCSTR lpszBaseUrl, LPCSTR lpszRelativeUrl,
3478                                 LPSTR lpszBuffer, LPDWORD lpdwBufferLength,
3479                                 DWORD dwFlags)
3480 {
3481     HRESULT hr=S_OK;
3482
3483     TRACE("(%s, %s, %p, %p, 0x%08x)\n", debugstr_a(lpszBaseUrl), debugstr_a(lpszRelativeUrl), lpszBuffer, lpdwBufferLength, dwFlags);
3484
3485     /* Flip this bit to correspond to URL_ESCAPE_UNSAFE */
3486     dwFlags ^= ICU_NO_ENCODE;
3487     hr=UrlCombineA(lpszBaseUrl,lpszRelativeUrl,lpszBuffer,lpdwBufferLength,dwFlags);
3488
3489     return (hr==S_OK);
3490 }
3491
3492 /***********************************************************************
3493  *      InternetCombineUrlW (WININET.@)
3494  *
3495  * Combine a base URL with a relative URL
3496  *
3497  * RETURNS
3498  *   TRUE on success
3499  *   FALSE on failure
3500  *
3501  */
3502
3503 BOOL WINAPI InternetCombineUrlW(LPCWSTR lpszBaseUrl, LPCWSTR lpszRelativeUrl,
3504                                 LPWSTR lpszBuffer, LPDWORD lpdwBufferLength,
3505                                 DWORD dwFlags)
3506 {
3507     HRESULT hr=S_OK;
3508
3509     TRACE("(%s, %s, %p, %p, 0x%08x)\n", debugstr_w(lpszBaseUrl), debugstr_w(lpszRelativeUrl), lpszBuffer, lpdwBufferLength, dwFlags);
3510
3511     /* Flip this bit to correspond to URL_ESCAPE_UNSAFE */
3512     dwFlags ^= ICU_NO_ENCODE;
3513     hr=UrlCombineW(lpszBaseUrl,lpszRelativeUrl,lpszBuffer,lpdwBufferLength,dwFlags);
3514
3515     return (hr==S_OK);
3516 }
3517
3518 /* max port num is 65535 => 5 digits */
3519 #define MAX_WORD_DIGITS 5
3520
3521 #define URL_GET_COMP_LENGTH(url, component) ((url)->dw##component##Length ? \
3522     (url)->dw##component##Length : strlenW((url)->lpsz##component))
3523 #define URL_GET_COMP_LENGTHA(url, component) ((url)->dw##component##Length ? \
3524     (url)->dw##component##Length : strlen((url)->lpsz##component))
3525
3526 static BOOL url_uses_default_port(INTERNET_SCHEME nScheme, INTERNET_PORT nPort)
3527 {
3528     if ((nScheme == INTERNET_SCHEME_HTTP) &&
3529         (nPort == INTERNET_DEFAULT_HTTP_PORT))
3530         return TRUE;
3531     if ((nScheme == INTERNET_SCHEME_HTTPS) &&
3532         (nPort == INTERNET_DEFAULT_HTTPS_PORT))
3533         return TRUE;
3534     if ((nScheme == INTERNET_SCHEME_FTP) &&
3535         (nPort == INTERNET_DEFAULT_FTP_PORT))
3536         return TRUE;
3537     if ((nScheme == INTERNET_SCHEME_GOPHER) &&
3538         (nPort == INTERNET_DEFAULT_GOPHER_PORT))
3539         return TRUE;
3540
3541     if (nPort == INTERNET_INVALID_PORT_NUMBER)
3542         return TRUE;
3543
3544     return FALSE;
3545 }
3546
3547 /* opaque urls do not fit into the standard url hierarchy and don't have
3548  * two following slashes */
3549 static inline BOOL scheme_is_opaque(INTERNET_SCHEME nScheme)
3550 {
3551     return (nScheme != INTERNET_SCHEME_FTP) &&
3552            (nScheme != INTERNET_SCHEME_GOPHER) &&
3553            (nScheme != INTERNET_SCHEME_HTTP) &&
3554            (nScheme != INTERNET_SCHEME_HTTPS) &&
3555            (nScheme != INTERNET_SCHEME_FILE);
3556 }
3557
3558 static LPCWSTR INTERNET_GetSchemeString(INTERNET_SCHEME scheme)
3559 {
3560     int index;
3561     if (scheme < INTERNET_SCHEME_FIRST)
3562         return NULL;
3563     index = scheme - INTERNET_SCHEME_FIRST;
3564     if (index >= sizeof(url_schemes)/sizeof(url_schemes[0]))
3565         return NULL;
3566     return (LPCWSTR)&url_schemes[index];
3567 }
3568
3569 /* we can calculate using ansi strings because we're just
3570  * calculating string length, not size
3571  */
3572 static BOOL calc_url_length(LPURL_COMPONENTSW lpUrlComponents,
3573                             LPDWORD lpdwUrlLength)
3574 {
3575     INTERNET_SCHEME nScheme;
3576
3577     *lpdwUrlLength = 0;
3578
3579     if (lpUrlComponents->lpszScheme)
3580     {
3581         DWORD dwLen = URL_GET_COMP_LENGTH(lpUrlComponents, Scheme);
3582         *lpdwUrlLength += dwLen;
3583         nScheme = GetInternetSchemeW(lpUrlComponents->lpszScheme, dwLen);
3584     }
3585     else
3586     {
3587         LPCWSTR scheme;
3588
3589         nScheme = lpUrlComponents->nScheme;
3590
3591         if (nScheme == INTERNET_SCHEME_DEFAULT)
3592             nScheme = INTERNET_SCHEME_HTTP;
3593         scheme = INTERNET_GetSchemeString(nScheme);
3594         *lpdwUrlLength += strlenW(scheme);
3595     }
3596
3597     (*lpdwUrlLength)++; /* ':' */
3598     if (!scheme_is_opaque(nScheme) || lpUrlComponents->lpszHostName)
3599         *lpdwUrlLength += strlen("//");
3600
3601     if (lpUrlComponents->lpszUserName)
3602     {
3603         *lpdwUrlLength += URL_GET_COMP_LENGTH(lpUrlComponents, UserName);
3604         *lpdwUrlLength += strlen("@");
3605     }
3606     else
3607     {
3608         if (lpUrlComponents->lpszPassword)
3609         {
3610             INTERNET_SetLastError(ERROR_INVALID_PARAMETER);
3611             return FALSE;
3612         }
3613     }
3614
3615     if (lpUrlComponents->lpszPassword)
3616     {
3617         *lpdwUrlLength += strlen(":");
3618         *lpdwUrlLength += URL_GET_COMP_LENGTH(lpUrlComponents, Password);
3619     }
3620
3621     if (lpUrlComponents->lpszHostName)
3622     {
3623         *lpdwUrlLength += URL_GET_COMP_LENGTH(lpUrlComponents, HostName);
3624
3625         if (!url_uses_default_port(nScheme, lpUrlComponents->nPort))
3626         {
3627             char szPort[MAX_WORD_DIGITS+1];
3628
3629             sprintf(szPort, "%d", lpUrlComponents->nPort);
3630             *lpdwUrlLength += strlen(szPort);
3631             *lpdwUrlLength += strlen(":");
3632         }
3633
3634         if (lpUrlComponents->lpszUrlPath && *lpUrlComponents->lpszUrlPath != '/')
3635             (*lpdwUrlLength)++; /* '/' */
3636     }
3637
3638     if (lpUrlComponents->lpszUrlPath)
3639         *lpdwUrlLength += URL_GET_COMP_LENGTH(lpUrlComponents, UrlPath);
3640
3641     return TRUE;
3642 }
3643
3644 static void convert_urlcomp_atow(LPURL_COMPONENTSA lpUrlComponents, LPURL_COMPONENTSW urlCompW)
3645 {
3646     INT len;
3647
3648     ZeroMemory(urlCompW, sizeof(URL_COMPONENTSW));
3649
3650     urlCompW->dwStructSize = sizeof(URL_COMPONENTSW);
3651     urlCompW->dwSchemeLength = lpUrlComponents->dwSchemeLength;
3652     urlCompW->nScheme = lpUrlComponents->nScheme;
3653     urlCompW->dwHostNameLength = lpUrlComponents->dwHostNameLength;
3654     urlCompW->nPort = lpUrlComponents->nPort;
3655     urlCompW->dwUserNameLength = lpUrlComponents->dwUserNameLength;
3656     urlCompW->dwPasswordLength = lpUrlComponents->dwPasswordLength;
3657     urlCompW->dwUrlPathLength = lpUrlComponents->dwUrlPathLength;
3658     urlCompW->dwExtraInfoLength = lpUrlComponents->dwExtraInfoLength;
3659
3660     if (lpUrlComponents->lpszScheme)
3661     {
3662         len = URL_GET_COMP_LENGTHA(lpUrlComponents, Scheme) + 1;
3663         urlCompW->lpszScheme = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
3664         MultiByteToWideChar(CP_ACP, 0, lpUrlComponents->lpszScheme,
3665                             -1, urlCompW->lpszScheme, len);
3666     }
3667
3668     if (lpUrlComponents->lpszHostName)
3669     {
3670         len = URL_GET_COMP_LENGTHA(lpUrlComponents, HostName) + 1;
3671         urlCompW->lpszHostName = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
3672         MultiByteToWideChar(CP_ACP, 0, lpUrlComponents->lpszHostName,
3673                             -1, urlCompW->lpszHostName, len);
3674     }
3675
3676     if (lpUrlComponents->lpszUserName)
3677     {
3678         len = URL_GET_COMP_LENGTHA(lpUrlComponents, UserName) + 1;
3679         urlCompW->lpszUserName = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
3680         MultiByteToWideChar(CP_ACP, 0, lpUrlComponents->lpszUserName,
3681                             -1, urlCompW->lpszUserName, len);
3682     }
3683
3684     if (lpUrlComponents->lpszPassword)
3685     {
3686         len = URL_GET_COMP_LENGTHA(lpUrlComponents, Password) + 1;
3687         urlCompW->lpszPassword = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
3688         MultiByteToWideChar(CP_ACP, 0, lpUrlComponents->lpszPassword,
3689                             -1, urlCompW->lpszPassword, len);
3690     }
3691
3692     if (lpUrlComponents->lpszUrlPath)
3693     {
3694         len = URL_GET_COMP_LENGTHA(lpUrlComponents, UrlPath) + 1;
3695         urlCompW->lpszUrlPath = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
3696         MultiByteToWideChar(CP_ACP, 0, lpUrlComponents->lpszUrlPath,
3697                             -1, urlCompW->lpszUrlPath, len);
3698     }
3699
3700     if (lpUrlComponents->lpszExtraInfo)
3701     {
3702         len = URL_GET_COMP_LENGTHA(lpUrlComponents, ExtraInfo) + 1;
3703         urlCompW->lpszExtraInfo = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
3704         MultiByteToWideChar(CP_ACP, 0, lpUrlComponents->lpszExtraInfo,
3705                             -1, urlCompW->lpszExtraInfo, len);
3706     }
3707 }
3708
3709 /***********************************************************************
3710  *      InternetCreateUrlA (WININET.@)
3711  *
3712  * See InternetCreateUrlW.
3713  */
3714 BOOL WINAPI InternetCreateUrlA(LPURL_COMPONENTSA lpUrlComponents, DWORD dwFlags,
3715                                LPSTR lpszUrl, LPDWORD lpdwUrlLength)
3716 {
3717     BOOL ret;
3718     LPWSTR urlW = NULL;
3719     URL_COMPONENTSW urlCompW;
3720
3721     TRACE("(%p,%d,%p,%p)\n", lpUrlComponents, dwFlags, lpszUrl, lpdwUrlLength);
3722
3723     if (!lpUrlComponents || lpUrlComponents->dwStructSize != sizeof(URL_COMPONENTSW) || !lpdwUrlLength)
3724     {
3725         INTERNET_SetLastError(ERROR_INVALID_PARAMETER);
3726         return FALSE;
3727     }
3728
3729     convert_urlcomp_atow(lpUrlComponents, &urlCompW);
3730
3731     if (lpszUrl)
3732         urlW = HeapAlloc(GetProcessHeap(), 0, *lpdwUrlLength * sizeof(WCHAR));
3733
3734     ret = InternetCreateUrlW(&urlCompW, dwFlags, urlW, lpdwUrlLength);
3735
3736     if (!ret && (GetLastError() == ERROR_INSUFFICIENT_BUFFER))
3737         *lpdwUrlLength /= sizeof(WCHAR);
3738
3739     /* on success, lpdwUrlLength points to the size of urlW in WCHARS
3740     * minus one, so add one to leave room for NULL terminator
3741     */
3742     if (ret)
3743         WideCharToMultiByte(CP_ACP, 0, urlW, -1, lpszUrl, *lpdwUrlLength + 1, NULL, NULL);
3744
3745     HeapFree(GetProcessHeap(), 0, urlCompW.lpszScheme);
3746     HeapFree(GetProcessHeap(), 0, urlCompW.lpszHostName);
3747     HeapFree(GetProcessHeap(), 0, urlCompW.lpszUserName);
3748     HeapFree(GetProcessHeap(), 0, urlCompW.lpszPassword);
3749     HeapFree(GetProcessHeap(), 0, urlCompW.lpszUrlPath);
3750     HeapFree(GetProcessHeap(), 0, urlCompW.lpszExtraInfo);
3751     HeapFree(GetProcessHeap(), 0, urlW);
3752
3753     return ret;
3754 }
3755
3756 /***********************************************************************
3757  *      InternetCreateUrlW (WININET.@)
3758  *
3759  * Creates a URL from its component parts.
3760  *
3761  * PARAMS
3762  *  lpUrlComponents [I] URL Components.
3763  *  dwFlags         [I] Flags. See notes.
3764  *  lpszUrl         [I] Buffer in which to store the created URL.
3765  *  lpdwUrlLength   [I/O] On input, the length of the buffer pointed to by
3766  *                        lpszUrl in characters. On output, the number of bytes
3767  *                        required to store the URL including terminator.
3768  *
3769  * NOTES
3770  *
3771  * The dwFlags parameter can be zero or more of the following:
3772  *|ICU_ESCAPE - Generates escape sequences for unsafe characters in the path and extra info of the URL.
3773  *
3774  * RETURNS
3775  *   TRUE on success
3776  *   FALSE on failure
3777  *
3778  */
3779 BOOL WINAPI InternetCreateUrlW(LPURL_COMPONENTSW lpUrlComponents, DWORD dwFlags,
3780                                LPWSTR lpszUrl, LPDWORD lpdwUrlLength)
3781 {
3782     DWORD dwLen;
3783     INTERNET_SCHEME nScheme;
3784
3785     static const WCHAR slashSlashW[] = {'/','/'};
3786     static const WCHAR percentD[] = {'%','d',0};
3787
3788     TRACE("(%p,%d,%p,%p)\n", lpUrlComponents, dwFlags, lpszUrl, lpdwUrlLength);
3789
3790     if (!lpUrlComponents || lpUrlComponents->dwStructSize != sizeof(URL_COMPONENTSW) || !lpdwUrlLength)
3791     {
3792         INTERNET_SetLastError(ERROR_INVALID_PARAMETER);
3793         return FALSE;
3794     }
3795
3796     if (!calc_url_length(lpUrlComponents, &dwLen))
3797         return FALSE;
3798
3799     if (!lpszUrl || *lpdwUrlLength < dwLen)
3800     {
3801         *lpdwUrlLength = (dwLen + 1) * sizeof(WCHAR);
3802         INTERNET_SetLastError(ERROR_INSUFFICIENT_BUFFER);
3803         return FALSE;
3804     }
3805
3806     *lpdwUrlLength = dwLen;
3807     lpszUrl[0] = 0x00;
3808
3809     dwLen = 0;
3810
3811     if (lpUrlComponents->lpszScheme)
3812     {
3813         dwLen = URL_GET_COMP_LENGTH(lpUrlComponents, Scheme);
3814         memcpy(lpszUrl, lpUrlComponents->lpszScheme, dwLen * sizeof(WCHAR));
3815         lpszUrl += dwLen;
3816
3817         nScheme = GetInternetSchemeW(lpUrlComponents->lpszScheme, dwLen);
3818     }
3819     else
3820     {
3821         LPCWSTR scheme;
3822         nScheme = lpUrlComponents->nScheme;
3823
3824         if (nScheme == INTERNET_SCHEME_DEFAULT)
3825             nScheme = INTERNET_SCHEME_HTTP;
3826
3827         scheme = INTERNET_GetSchemeString(nScheme);
3828         dwLen = strlenW(scheme);
3829         memcpy(lpszUrl, scheme, dwLen * sizeof(WCHAR));
3830         lpszUrl += dwLen;
3831     }
3832
3833     /* all schemes are followed by at least a colon */
3834     *lpszUrl = ':';
3835     lpszUrl++;
3836
3837     if (!scheme_is_opaque(nScheme) || lpUrlComponents->lpszHostName)
3838     {
3839         memcpy(lpszUrl, slashSlashW, sizeof(slashSlashW));
3840         lpszUrl += sizeof(slashSlashW)/sizeof(slashSlashW[0]);
3841     }
3842
3843     if (lpUrlComponents->lpszUserName)
3844     {
3845         dwLen = URL_GET_COMP_LENGTH(lpUrlComponents, UserName);
3846         memcpy(lpszUrl, lpUrlComponents->lpszUserName, dwLen * sizeof(WCHAR));
3847         lpszUrl += dwLen;
3848
3849         if (lpUrlComponents->lpszPassword)
3850         {
3851             *lpszUrl = ':';
3852             lpszUrl++;
3853
3854             dwLen = URL_GET_COMP_LENGTH(lpUrlComponents, Password);
3855             memcpy(lpszUrl, lpUrlComponents->lpszPassword, dwLen * sizeof(WCHAR));
3856             lpszUrl += dwLen;
3857         }
3858
3859         *lpszUrl = '@';
3860         lpszUrl++;
3861     }
3862
3863     if (lpUrlComponents->lpszHostName)
3864     {
3865         dwLen = URL_GET_COMP_LENGTH(lpUrlComponents, HostName);
3866         memcpy(lpszUrl, lpUrlComponents->lpszHostName, dwLen * sizeof(WCHAR));
3867         lpszUrl += dwLen;
3868
3869         if (!url_uses_default_port(nScheme, lpUrlComponents->nPort))
3870         {
3871             WCHAR szPort[MAX_WORD_DIGITS+1];
3872
3873             sprintfW(szPort, percentD, lpUrlComponents->nPort);
3874             *lpszUrl = ':';
3875             lpszUrl++;
3876             dwLen = strlenW(szPort);
3877             memcpy(lpszUrl, szPort, dwLen * sizeof(WCHAR));
3878             lpszUrl += dwLen;
3879         }
3880
3881         /* add slash between hostname and path if necessary */
3882         if (lpUrlComponents->lpszUrlPath && *lpUrlComponents->lpszUrlPath != '/')
3883         {
3884             *lpszUrl = '/';
3885             lpszUrl++;
3886         }
3887     }
3888
3889
3890     if (lpUrlComponents->lpszUrlPath)
3891     {
3892         dwLen = URL_GET_COMP_LENGTH(lpUrlComponents, UrlPath);
3893         memcpy(lpszUrl, lpUrlComponents->lpszUrlPath, dwLen * sizeof(WCHAR));
3894         lpszUrl += dwLen;
3895     }
3896
3897     *lpszUrl = '\0';
3898
3899     return TRUE;
3900 }
3901
3902 /***********************************************************************
3903  *      InternetConfirmZoneCrossingA (WININET.@)
3904  *
3905  */
3906 DWORD WINAPI InternetConfirmZoneCrossingA( HWND hWnd, LPSTR szUrlPrev, LPSTR szUrlNew, BOOL bPost )
3907 {
3908     FIXME("(%p, %s, %s, %x) stub\n", hWnd, debugstr_a(szUrlPrev), debugstr_a(szUrlNew), bPost);
3909     return ERROR_SUCCESS;
3910 }
3911
3912 /***********************************************************************
3913  *      InternetConfirmZoneCrossingW (WININET.@)
3914  *
3915  */
3916 DWORD WINAPI InternetConfirmZoneCrossingW( HWND hWnd, LPWSTR szUrlPrev, LPWSTR szUrlNew, BOOL bPost )
3917 {
3918     FIXME("(%p, %s, %s, %x) stub\n", hWnd, debugstr_w(szUrlPrev), debugstr_w(szUrlNew), bPost);
3919     return ERROR_SUCCESS;
3920 }
3921
3922 DWORD WINAPI InternetDialA( HWND hwndParent, LPSTR lpszConnectoid, DWORD dwFlags,
3923                             DWORD_PTR* lpdwConnection, DWORD dwReserved )
3924 {
3925     FIXME("(%p, %p, 0x%08x, %p, 0x%08x) stub\n", hwndParent, lpszConnectoid, dwFlags,
3926           lpdwConnection, dwReserved);
3927     return ERROR_SUCCESS;
3928 }
3929
3930 DWORD WINAPI InternetDialW( HWND hwndParent, LPWSTR lpszConnectoid, DWORD dwFlags,
3931                             DWORD_PTR* lpdwConnection, DWORD dwReserved )
3932 {
3933     FIXME("(%p, %p, 0x%08x, %p, 0x%08x) stub\n", hwndParent, lpszConnectoid, dwFlags,
3934           lpdwConnection, dwReserved);
3935     return ERROR_SUCCESS;
3936 }
3937
3938 BOOL WINAPI InternetGoOnlineA( LPSTR lpszURL, HWND hwndParent, DWORD dwReserved )
3939 {
3940     FIXME("(%s, %p, 0x%08x) stub\n", debugstr_a(lpszURL), hwndParent, dwReserved);
3941     return TRUE;
3942 }
3943
3944 BOOL WINAPI InternetGoOnlineW( LPWSTR lpszURL, HWND hwndParent, DWORD dwReserved )
3945 {
3946     FIXME("(%s, %p, 0x%08x) stub\n", debugstr_w(lpszURL), hwndParent, dwReserved);
3947     return TRUE;
3948 }
3949
3950 DWORD WINAPI InternetHangUp( DWORD_PTR dwConnection, DWORD dwReserved )
3951 {
3952     FIXME("(0x%08lx, 0x%08x) stub\n", dwConnection, dwReserved);
3953     return ERROR_SUCCESS;
3954 }
3955
3956 BOOL WINAPI CreateMD5SSOHash( PWSTR pszChallengeInfo, PWSTR pwszRealm, PWSTR pwszTarget,
3957                               PBYTE pbHexHash )
3958 {
3959     FIXME("(%s, %s, %s, %p) stub\n", debugstr_w(pszChallengeInfo), debugstr_w(pwszRealm),
3960           debugstr_w(pwszTarget), pbHexHash);
3961     return FALSE;
3962 }
3963
3964 BOOL WINAPI ResumeSuspendedDownload( HINTERNET hInternet, DWORD dwError )
3965 {
3966     FIXME("(%p, 0x%08x) stub\n", hInternet, dwError);
3967     return FALSE;
3968 }
3969
3970 BOOL WINAPI InternetQueryFortezzaStatus(DWORD *a, DWORD_PTR b)
3971 {
3972     FIXME("(%p, %08lx) stub\n", a, b);
3973     return 0;
3974 }