text: /*
   * Wininet
   *
   * Copyright 1999 Corel Corporation
   * Copyright 2002 CodeWeavers Inc.
   * Copyright 2002 Jaco Greeff
   * Copyright 2002 TransGaming Technologies Inc.
   * Copyright 2004 Mike McCormack for CodeWeavers
   *
   * Ulrich Czekalla
   * Aric Stewart
   * David Hammerton
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
   */
  
  #include "config.h"
  
  #ifdef HAVE_CORESERVICES_CORESERVICES_H
  #define GetCurrentThread MacGetCurrentThread
  #define LoadResource MacLoadResource
  #include <CoreServices/CoreServices.h>
  #undef GetCurrentThread
  #undef LoadResource
  #endif
  
  #include "winsock2.h"
  #include "ws2ipdef.h"
  
  #include <string.h>
  #include <stdarg.h>
  #include <stdio.h>
  #include <stdlib.h>
  #include <ctype.h>
  #include <assert.h>
  
  #include "windef.h"
  #include "winbase.h"
  #include "winreg.h"
  #include "winuser.h"
  #include "wininet.h"
  #include "winnls.h"
  #include "wine/debug.h"
  #include "winerror.h"
  #define NO_SHLWAPI_STREAM
  #include "shlwapi.h"
  
  #include "wine/exception.h"
  
  #include "internet.h"
  #include "resource.h"
  
  #include "wine/unicode.h"
  
  WINE_DEFAULT_DEBUG_CHANNEL(wininet);
  
  typedef struct
  {
      DWORD  dwError;
      CHAR   response[MAX_REPLY_LEN];
  } WITHREADERROR, *LPWITHREADERROR;
  
  static DWORD g_dwTlsErrIndex = TLS_OUT_OF_INDEXES;
  HMODULE WININET_hModule;
  
  static CRITICAL_SECTION WININET_cs;
  static CRITICAL_SECTION_DEBUG WININET_cs_debug = 
  {
      0, 0, &WININET_cs,
      { &WININET_cs_debug.ProcessLocksList, &WININET_cs_debug.ProcessLocksList },
        0, 0, { (DWORD_PTR)(__FILE__ ": WININET_cs") }
  };
  static CRITICAL_SECTION WININET_cs = { &WININET_cs_debug, -1, 0, 0, 0, 0 };
  
  static object_header_t **handle_table;
  static UINT_PTR next_handle;
  static UINT_PTR handle_table_size;
  
  typedef struct
  {
      DWORD  proxyEnabled;
      LPWSTR proxy;
      LPWSTR proxyBypass;
      LPWSTR proxyUsername;
      LPWSTR proxyPassword;
  } proxyinfo_t;
  
  static ULONG max_conns = 2, max_1_0_conns = 4;
  static ULONG connect_timeout = 60000;
  
  static const WCHAR szInternetSettings[] =
      { 'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
        'W','i','n','d','o','w','s','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
        'I','n','t','e','r','n','e','t',' ','S','e','t','t','i','n','g','s',0 };
  static const WCHAR szProxyServer[] = { 'P','r','o','x','y','S','e','r','v','e','r', 0 };
  static const WCHAR szProxyEnable[] = { 'P','r','o','x','y','E','n','a','b','l','e', 0 };
  static const WCHAR szProxyOverride[] = { 'P','r','o','x','y','O','v','e','r','r','i','d','e', 0 };
  
  void *alloc_object(object_header_t *parent, const object_vtbl_t *vtbl, size_t size)
  {
      UINT_PTR handle = 0, num;
      object_header_t *ret;
      object_header_t **p;
      BOOL res = TRUE;
  
      ret = heap_alloc_zero(size);
      if(!ret)
          return NULL;
  
      list_init(&ret->children);
  
      EnterCriticalSection( &WININET_cs );
  
      if(!handle_table_size) {
          num = 16;
          p = heap_alloc_zero(sizeof(handle_table[0]) * num);
          if(p) {
              handle_table = p;
              handle_table_size = num;
              next_handle = 1;
          }else {
              res = FALSE;
          }
      }else if(next_handle == handle_table_size) {
          num = handle_table_size * 2;
          p = heap_realloc_zero(handle_table, sizeof(handle_table[0]) * num);
          if(p) {
              handle_table = p;
              handle_table_size = num;
          }else {
              res = FALSE;
          }
      }
  
      if(res) {
          handle = next_handle;
          if(handle_table[handle])
              ERR("handle isn't free but should be\n");
          handle_table[handle] = ret;
          ret->valid_handle = TRUE;
  
          while(next_handle < handle_table_size && handle_table[next_handle])
              next_handle++;
      }
  
      LeaveCriticalSection( &WININET_cs );
  
      if(!res) {
          heap_free(ret);
          return NULL;
      }
  
      ret->vtbl = vtbl;
      ret->refs = 1;
      ret->hInternet = (HINTERNET)handle;
  
      if(parent) {
          ret->lpfnStatusCB = parent->lpfnStatusCB;
          ret->dwInternalFlags = parent->dwInternalFlags & INET_CALLBACKW;
      }
  
      return ret;
  }
  
  object_header_t *WININET_AddRef( object_header_t *info )
  {
      ULONG refs = InterlockedIncrement(&info->refs);
      TRACE("%p -> refcount = %d\n", info, refs );
      return info;
  }
  
  object_header_t *get_handle_object( HINTERNET hinternet )
  {
      object_header_t *info = NULL;
      UINT_PTR handle = (UINT_PTR) hinternet;
  
      EnterCriticalSection( &WININET_cs );
  
      if(handle > 0 && handle < handle_table_size && handle_table[handle] && handle_table[handle]->valid_handle)
          info = WININET_AddRef(handle_table[handle]);
  
      LeaveCriticalSection( &WININET_cs );
  
      TRACE("handle %ld -> %p\n", handle, info);
  
      return info;
  }
  
  static void invalidate_handle(object_header_t *info)
  {
      object_header_t *child, *next;
  
      if(!info->valid_handle)
          return;
      info->valid_handle = FALSE;
  
      /* Free all children as native does */
      LIST_FOR_EACH_ENTRY_SAFE( child, next, &info->children, object_header_t, entry )
      {
          TRACE("invalidating child handle %p for parent %p\n", child->hInternet, info);
          invalidate_handle( child );
      }
  
      WININET_Release(info);
  }
  
  BOOL WININET_Release( object_header_t *info )
  {
      ULONG refs = InterlockedDecrement(&info->refs);
      TRACE( "object %p refcount = %d\n", info, refs );
      if( !refs )
      {
          invalidate_handle(info);
          if ( info->vtbl->CloseConnection )
          {
              TRACE( "closing connection %p\n", info);
              info->vtbl->CloseConnection( info );
          }
          /* Don't send a callback if this is a session handle created with InternetOpenUrl */
          if ((info->htype != WH_HHTTPSESSION && info->htype != WH_HFTPSESSION)
              || !(info->dwInternalFlags & INET_OPENURL))
          {
              INTERNET_SendCallback(info, info->dwContext,
                                    INTERNET_STATUS_HANDLE_CLOSING, &info->hInternet,
                                    sizeof(HINTERNET));
          }
          TRACE( "destroying object %p\n", info);
          if ( info->htype != WH_HINIT )
              list_remove( &info->entry );
          info->vtbl->Destroy( info );
  
          if(info->hInternet) {
              UINT_PTR handle = (UINT_PTR)info->hInternet;
  
              EnterCriticalSection( &WININET_cs );
  
              handle_table[handle] = NULL;
              if(next_handle > handle)
                  next_handle = handle;
  
              LeaveCriticalSection( &WININET_cs );
          }
  
          heap_free(info);
      }
      return TRUE;
  }
  
  /***********************************************************************
   * DllMain [Internal] Initializes the internal 'WININET.DLL'.
   *
   * PARAMS
   *     hinstDLL    [I] handle to the DLL's instance
   *     fdwReason   [I]
   *     lpvReserved [I] reserved, must be NULL
   *
   * RETURNS
   *     Success: TRUE
   *     Failure: FALSE
   */
  
  BOOL WINAPI DllMain (HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
  {
      TRACE("%p,%x,%p\n", hinstDLL, fdwReason, lpvReserved);
  
      switch (fdwReason) {
          case DLL_PROCESS_ATTACH:
  
              g_dwTlsErrIndex = TlsAlloc();
  
              if (g_dwTlsErrIndex == TLS_OUT_OF_INDEXES)
                  return FALSE;
  
              if(!init_urlcache())
              {
                  TlsFree(g_dwTlsErrIndex);
                  return FALSE;
              }
  
              WININET_hModule = hinstDLL;
              break;
  
          case DLL_THREAD_ATTACH:
              break;
  
          case DLL_THREAD_DETACH:
              if (g_dwTlsErrIndex != TLS_OUT_OF_INDEXES)
              {
                  heap_free(TlsGetValue(g_dwTlsErrIndex));
              }
              break;
  
          case DLL_PROCESS_DETACH:
              if (lpvReserved) break;
              collect_connections(COLLECT_CLEANUP);
              NETCON_unload();
              free_urlcache();
              free_cookie();
  
              if (g_dwTlsErrIndex != TLS_OUT_OF_INDEXES)
              {
                  heap_free(TlsGetValue(g_dwTlsErrIndex));
                  TlsFree(g_dwTlsErrIndex);
              }
              break;
      }
      return TRUE;
  }
  
  /***********************************************************************
   *		DllInstall (WININET.@)
   */
  HRESULT WINAPI DllInstall(BOOL bInstall, LPCWSTR cmdline)
  {
      FIXME("(%x %s): stub\n", bInstall, debugstr_w(cmdline));
      return S_OK;
  }
  
  /***********************************************************************
   *           INTERNET_SaveProxySettings
   *
   * Stores the proxy settings given by lpwai into the registry
   *
   * RETURNS
   *     ERROR_SUCCESS if no error, or error code on fail
   */
  static LONG INTERNET_SaveProxySettings( proxyinfo_t *lpwpi )
  {
      HKEY key;
      LONG ret;
  
      if ((ret = RegOpenKeyW( HKEY_CURRENT_USER, szInternetSettings, &key )))
          return ret;
  
      if ((ret = RegSetValueExW( key, szProxyEnable, 0, REG_DWORD, (BYTE*)&lpwpi->proxyEnabled, sizeof(DWORD))))
      {
          RegCloseKey( key );
          return ret;
      }
  
      if (lpwpi->proxy)
      {
          if ((ret = RegSetValueExW( key, szProxyServer, 0, REG_SZ, (BYTE*)lpwpi->proxy, sizeof(WCHAR) * (lstrlenW(lpwpi->proxy) + 1))))
          {
              RegCloseKey( key );
              return ret;
          }
      }
      else
      {
          if ((ret = RegDeleteValueW( key, szProxyServer )) && ret != ERROR_FILE_NOT_FOUND)
          {
              RegCloseKey( key );
              return ret;
          }
      }
  
      RegCloseKey(key);
      return ERROR_SUCCESS;
  }
  
  /***********************************************************************
   *           INTERNET_FindProxyForProtocol
   *
   * Searches the proxy string for a proxy of the given protocol.
   * Returns the found proxy, or the default proxy if none of the given
   * protocol is found.
   *
   * PARAMETERS
   *     szProxy       [In]     proxy string to search
   *     proto         [In]     protocol to search for, e.g. "http"
   *     foundProxy    [Out]    found proxy
   *     foundProxyLen [In/Out] length of foundProxy buffer, in WCHARs
   *
   * RETURNS
   *     TRUE if a proxy is found, FALSE if not.  If foundProxy is too short,
   *     *foundProxyLen is set to the required size in WCHARs, including the
   *     NULL terminator, and the last error is set to ERROR_INSUFFICIENT_BUFFER.
   */
  WCHAR *INTERNET_FindProxyForProtocol(LPCWSTR szProxy, LPCWSTR proto)
  {
      WCHAR *ret = NULL;
      const WCHAR *ptr;
  
      TRACE("(%s, %s)\n", debugstr_w(szProxy), debugstr_w(proto));
  
      /* First, look for the specified protocol (proto=scheme://host:port) */
      for (ptr = szProxy; ptr && *ptr; )
      {
          LPCWSTR end, equal;
  
          if (!(end = strchrW(ptr, ' ')))
              end = ptr + strlenW(ptr);
          if ((equal = strchrW(ptr, '=')) && equal < end &&
               equal - ptr == strlenW(proto) &&
               !strncmpiW(proto, ptr, strlenW(proto)))
          {
              ret = heap_strndupW(equal + 1, end - equal - 1);
              TRACE("found proxy for %s: %s\n", debugstr_w(proto), debugstr_w(ret));
              return ret;
          }
          if (*end == ' ')
              ptr = end + 1;
          else
              ptr = end;
      }
  
      /* It wasn't found: look for no protocol */
      for (ptr = szProxy; ptr && *ptr; )
      {
          LPCWSTR end;
  
          if (!(end = strchrW(ptr, ' ')))
              end = ptr + strlenW(ptr);
          if (!strchrW(ptr, '='))
          {
              ret = heap_strndupW(ptr, end - ptr);
              TRACE("found proxy for %s: %s\n", debugstr_w(proto), debugstr_w(ret));
              return ret;
          }
          if (*end == ' ')
              ptr = end + 1;
          else
              ptr = end;
      }
  
      return NULL;
  }
  
  /***********************************************************************
   *           InternetInitializeAutoProxyDll   (WININET.@)
   *
   * Setup the internal proxy
   *
   * PARAMETERS
   *     dwReserved
   *
   * RETURNS
   *     FALSE on failure
   *
   */
  BOOL WINAPI InternetInitializeAutoProxyDll(DWORD dwReserved)
  {
      FIXME("STUB\n");
      SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
      return FALSE;
  }
  
  /***********************************************************************
   *           DetectAutoProxyUrl   (WININET.@)
   *
   * Auto detect the proxy url
   *
   * RETURNS
   *     FALSE on failure
   *
   */
  BOOL WINAPI DetectAutoProxyUrl(LPSTR lpszAutoProxyUrl,
  	DWORD dwAutoProxyUrlLength, DWORD dwDetectFlags)
  {
      FIXME("STUB\n");
      SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
      return FALSE;
  }
  
  static void FreeProxyInfo( proxyinfo_t *lpwpi )
  {
      heap_free(lpwpi->proxy);
      heap_free(lpwpi->proxyBypass);
      heap_free(lpwpi->proxyUsername);
      heap_free(lpwpi->proxyPassword);
  }
  
  static proxyinfo_t *global_proxy;
  
  static void free_global_proxy( void )
  {
      EnterCriticalSection( &WININET_cs );
      if (global_proxy)
      {
          FreeProxyInfo( global_proxy );
          heap_free( global_proxy );
      }
      LeaveCriticalSection( &WININET_cs );
  }
  
  static BOOL parse_proxy_url( proxyinfo_t *info, const WCHAR *url )
  {
      static const WCHAR fmt[] = {'%','.','*','s',':','%','u',0};
      URL_COMPONENTSW uc = {sizeof(uc)};
  
      uc.dwHostNameLength = 1;
      uc.dwUserNameLength = 1;
      uc.dwPasswordLength = 1;
  
      if (!InternetCrackUrlW( url, 0, 0, &uc )) return FALSE;
      if (!uc.dwHostNameLength)
      {
          if (!(info->proxy = heap_strdupW( url ))) return FALSE;
          info->proxyUsername = NULL;
          info->proxyPassword = NULL;
          return TRUE;
      }
      if (!(info->proxy = heap_alloc( (uc.dwHostNameLength + 12) * sizeof(WCHAR) ))) return FALSE;
      sprintfW( info->proxy, fmt, uc.dwHostNameLength, uc.lpszHostName, uc.nPort );
  
      if (!uc.dwUserNameLength) info->proxyUsername = NULL;
      else if (!(info->proxyUsername = heap_strndupW( uc.lpszUserName, uc.dwUserNameLength )))
      {
          heap_free( info->proxy );
          return FALSE;
      }
      if (!uc.dwPasswordLength) info->proxyPassword = NULL;
      else if (!(info->proxyPassword = heap_strndupW( uc.lpszPassword, uc.dwPasswordLength )))
      {
          heap_free( info->proxyUsername );
          heap_free( info->proxy );
          return FALSE;
      }
      return TRUE;
  }
  
  /***********************************************************************
   *          INTERNET_LoadProxySettings
   *
   * Loads proxy information from process-wide global settings, the registry,
   * or the environment into lpwpi.
   *
   * The caller should call FreeProxyInfo when done with lpwpi.
   *
   * FIXME:
   * The proxy may be specified in the form 'http=proxy.my.org'
   * Presumably that means there can be ftp=ftpproxy.my.org too.
   */
  static LONG INTERNET_LoadProxySettings( proxyinfo_t *lpwpi )
  {
      HKEY key;
      DWORD type, len;
      LPCSTR envproxy;
      LONG ret;
  
      memset( lpwpi, 0, sizeof(*lpwpi) );
  
      EnterCriticalSection( &WININET_cs );
      if (global_proxy)
      {
          lpwpi->proxyEnabled = global_proxy->proxyEnabled;
          lpwpi->proxy = heap_strdupW( global_proxy->proxy );
          lpwpi->proxyBypass = heap_strdupW( global_proxy->proxyBypass );
      }
      LeaveCriticalSection( &WININET_cs );
  
      if ((ret = RegOpenKeyW( HKEY_CURRENT_USER, szInternetSettings, &key )))
      {
          FreeProxyInfo( lpwpi );
          return ret;
      }
  
      len = sizeof(DWORD);
      if (RegQueryValueExW( key, szProxyEnable, NULL, &type, (BYTE *)&lpwpi->proxyEnabled, &len ) || type != REG_DWORD)
      {
          lpwpi->proxyEnabled = 0;
          if((ret = RegSetValueExW( key, szProxyEnable, 0, REG_DWORD, (BYTE *)&lpwpi->proxyEnabled, sizeof(DWORD) )))
          {
              FreeProxyInfo( lpwpi );
              RegCloseKey( key );
              return ret;
          }
      }
  
      if (!(envproxy = getenv( "http_proxy" )) || lpwpi->proxyEnabled)
      {
          /* figure out how much memory the proxy setting takes */
          if (!RegQueryValueExW( key, szProxyServer, NULL, &type, NULL, &len ) && len && (type == REG_SZ))
          {
              LPWSTR szProxy, p;
              static const WCHAR szHttp[] = {'h','t','t','p','=',0};
  
              if (!(szProxy = heap_alloc(len)))
              {
                  RegCloseKey( key );
                  FreeProxyInfo( lpwpi );
                  return ERROR_OUTOFMEMORY;
              }
              RegQueryValueExW( key, szProxyServer, NULL, &type, (BYTE*)szProxy, &len );
  
              /* find the http proxy, and strip away everything else */
              p = strstrW( szProxy, szHttp );
              if (p)
              {
                  p += lstrlenW( szHttp );
                  lstrcpyW( szProxy, p );
              }
              p = strchrW( szProxy, ';' );
              if (p) *p = 0;
  
              FreeProxyInfo( lpwpi );
              lpwpi->proxy = szProxy;
              lpwpi->proxyBypass = NULL;
  
              TRACE("http proxy (from registry) = %s\n", debugstr_w(lpwpi->proxy));
          }
          else
          {
              TRACE("No proxy server settings in registry.\n");
              FreeProxyInfo( lpwpi );
              lpwpi->proxy = NULL;
              lpwpi->proxyBypass = NULL;
          }
      }
      else if (envproxy)
      {
          WCHAR *envproxyW;
  
          len = MultiByteToWideChar( CP_UNIXCP, 0, envproxy, -1, NULL, 0 );
          if (!(envproxyW = heap_alloc(len * sizeof(WCHAR))))
          {
              RegCloseKey( key );
              return ERROR_OUTOFMEMORY;
          }
          MultiByteToWideChar( CP_UNIXCP, 0, envproxy, -1, envproxyW, len );
  
          FreeProxyInfo( lpwpi );
          if (parse_proxy_url( lpwpi, envproxyW ))
          {
              TRACE("http proxy (from environment) = %s\n", debugstr_w(lpwpi->proxy));
              lpwpi->proxyEnabled = 1;
              lpwpi->proxyBypass = NULL;
          }
          else
          {
              WARN("failed to parse http_proxy value %s\n", debugstr_w(envproxyW));
              lpwpi->proxyEnabled = 0;
              lpwpi->proxy = NULL;
              lpwpi->proxyBypass = NULL;
          }
          heap_free( envproxyW );
      }
  
      if (lpwpi->proxyEnabled)
      {
          TRACE("Proxy is enabled.\n");
  
          if (!(envproxy = getenv( "no_proxy" )))
          {
              /* figure out how much memory the proxy setting takes */
              if (!RegQueryValueExW( key, szProxyOverride, NULL, &type, NULL, &len ) && len && (type == REG_SZ))
              {
                  LPWSTR szProxy;
  
                  if (!(szProxy = heap_alloc(len)))
                  {
                      RegCloseKey( key );
                      return ERROR_OUTOFMEMORY;
                  }
                  RegQueryValueExW( key, szProxyOverride, NULL, &type, (BYTE*)szProxy, &len );
  
                  heap_free( lpwpi->proxyBypass );
                  lpwpi->proxyBypass = szProxy;
  
                  TRACE("http proxy bypass (from registry) = %s\n", debugstr_w(lpwpi->proxyBypass));
              }
              else
              {
                  heap_free( lpwpi->proxyBypass );
                  lpwpi->proxyBypass = NULL;
  
                  TRACE("No proxy bypass server settings in registry.\n");
              }
          }
          else
          {
              WCHAR *envproxyW;
  
              len = MultiByteToWideChar( CP_UNIXCP, 0, envproxy, -1, NULL, 0 );
              if (!(envproxyW = heap_alloc(len * sizeof(WCHAR))))
              {
                  RegCloseKey( key );
                  return ERROR_OUTOFMEMORY;
              }
              MultiByteToWideChar( CP_UNIXCP, 0, envproxy, -1, envproxyW, len );
  
              heap_free( lpwpi->proxyBypass );
              lpwpi->proxyBypass = envproxyW;
  
              TRACE("http proxy bypass (from environment) = %s\n", debugstr_w(lpwpi->proxyBypass));
          }
      }
      else TRACE("Proxy is disabled.\n");
  
      RegCloseKey( key );
      return ERROR_SUCCESS;
  }
  
  /***********************************************************************
   *           INTERNET_ConfigureProxy
   */
  static BOOL INTERNET_ConfigureProxy( appinfo_t *lpwai )
  {
      proxyinfo_t wpi;
  
      if (INTERNET_LoadProxySettings( &wpi ))
          return FALSE;
  
      if (wpi.proxyEnabled)
      {
          TRACE("http proxy = %s bypass = %s\n", debugstr_w(wpi.proxy), debugstr_w(wpi.proxyBypass));
  
          lpwai->accessType    = INTERNET_OPEN_TYPE_PROXY;
          lpwai->proxy         = wpi.proxy;
          lpwai->proxyBypass   = wpi.proxyBypass;
          lpwai->proxyUsername = wpi.proxyUsername;
          lpwai->proxyPassword = wpi.proxyPassword;
          return TRUE;
      }
  
      lpwai->accessType = INTERNET_OPEN_TYPE_DIRECT;
      FreeProxyInfo(&wpi);
      return FALSE;
  }
  
  /***********************************************************************
   *           dump_INTERNET_FLAGS
   *
   * Helper function to TRACE the internet flags.
   *
   * RETURNS
   *    None
   *
   */
  static void dump_INTERNET_FLAGS(DWORD dwFlags) 
  {
  #define FE(x) { x, #x }
      static const wininet_flag_info flag[] = {
          FE(INTERNET_FLAG_RELOAD),
          FE(INTERNET_FLAG_RAW_DATA),
          FE(INTERNET_FLAG_EXISTING_CONNECT),
          FE(INTERNET_FLAG_ASYNC),
          FE(INTERNET_FLAG_PASSIVE),
          FE(INTERNET_FLAG_NO_CACHE_WRITE),
          FE(INTERNET_FLAG_MAKE_PERSISTENT),
          FE(INTERNET_FLAG_FROM_CACHE),
          FE(INTERNET_FLAG_SECURE),
          FE(INTERNET_FLAG_KEEP_CONNECTION),
          FE(INTERNET_FLAG_NO_AUTO_REDIRECT),
          FE(INTERNET_FLAG_READ_PREFETCH),
          FE(INTERNET_FLAG_NO_COOKIES),
          FE(INTERNET_FLAG_NO_AUTH),
          FE(INTERNET_FLAG_CACHE_IF_NET_FAIL),
          FE(INTERNET_FLAG_IGNORE_REDIRECT_TO_HTTP),
          FE(INTERNET_FLAG_IGNORE_REDIRECT_TO_HTTPS),
          FE(INTERNET_FLAG_IGNORE_CERT_DATE_INVALID),
          FE(INTERNET_FLAG_IGNORE_CERT_CN_INVALID),
          FE(INTERNET_FLAG_RESYNCHRONIZE),
          FE(INTERNET_FLAG_HYPERLINK),
          FE(INTERNET_FLAG_NO_UI),
          FE(INTERNET_FLAG_PRAGMA_NOCACHE),
          FE(INTERNET_FLAG_CACHE_ASYNC),
          FE(INTERNET_FLAG_FORMS_SUBMIT),
          FE(INTERNET_FLAG_NEED_FILE),
          FE(INTERNET_FLAG_TRANSFER_ASCII),
          FE(INTERNET_FLAG_TRANSFER_BINARY)
      };
  #undef FE
      unsigned int i;
  
      for (i = 0; i < ARRAY_SIZE(flag); i++) {
  	if (flag[i].val & dwFlags) {
  	    TRACE(" %s", flag[i].name);
  	    dwFlags &= ~flag[i].val;
  	}
      }	
      if (dwFlags)
          TRACE(" Unknown flags (%08x)\n", dwFlags);
      else
          TRACE("\n");
  }
  
  /***********************************************************************
   *           INTERNET_CloseHandle (internal)
   *
   * Close internet handle
   *
   */
  static VOID APPINFO_Destroy(object_header_t *hdr)
  {
      appinfo_t *lpwai = (appinfo_t*)hdr;
  
      TRACE("%p\n",lpwai);
  
      heap_free(lpwai->agent);
      heap_free(lpwai->proxy);
      heap_free(lpwai->proxyBypass);
      heap_free(lpwai->proxyUsername);
      heap_free(lpwai->proxyPassword);
  }
  
  static DWORD APPINFO_QueryOption(object_header_t *hdr, DWORD option, void *buffer, DWORD *size, BOOL unicode)
  {
      appinfo_t *ai = (appinfo_t*)hdr;
  
      switch(option) {
      case INTERNET_OPTION_HANDLE_TYPE:
          TRACE("INTERNET_OPTION_HANDLE_TYPE\n");
  
          if (*size < sizeof(ULONG))
              return ERROR_INSUFFICIENT_BUFFER;
  
          *size = sizeof(DWORD);
          *(DWORD*)buffer = INTERNET_HANDLE_TYPE_INTERNET;
          return ERROR_SUCCESS;
  
      case INTERNET_OPTION_USER_AGENT: {
          DWORD bufsize;
  
          TRACE("INTERNET_OPTION_USER_AGENT\n");
  
          bufsize = *size;
  
          if (unicode) {
              DWORD len = ai->agent ? strlenW(ai->agent) : 0;
  
              *size = (len + 1) * sizeof(WCHAR);
              if(!buffer || bufsize < *size)
                  return ERROR_INSUFFICIENT_BUFFER;
  
              if (ai->agent)
                  strcpyW(buffer, ai->agent);
              else
                  *(WCHAR *)buffer = 0;
              /* If the buffer is copied, the returned length doesn't include
               * the NULL terminator.
               */
              *size = len;
          }else {
              if (ai->agent)
                  *size = WideCharToMultiByte(CP_ACP, 0, ai->agent, -1, NULL, 0, NULL, NULL);
              else
                  *size = 1;
              if(!buffer || bufsize < *size)
                  return ERROR_INSUFFICIENT_BUFFER;
  
              if (ai->agent)
                  WideCharToMultiByte(CP_ACP, 0, ai->agent, -1, buffer, *size, NULL, NULL);
              else
                  *(char *)buffer = 0;
              /* If the buffer is copied, the returned length doesn't include
               * the NULL terminator.
               */
              *size -= 1;
          }
  
          return ERROR_SUCCESS;
      }
  
      case INTERNET_OPTION_PROXY:
          if(!size) return ERROR_INVALID_PARAMETER;
          if (unicode) {
              INTERNET_PROXY_INFOW *pi = (INTERNET_PROXY_INFOW *)buffer;
              DWORD proxyBytesRequired = 0, proxyBypassBytesRequired = 0;
              LPWSTR proxy, proxy_bypass;
  
              if (ai->proxy)
                  proxyBytesRequired = (lstrlenW(ai->proxy) + 1) * sizeof(WCHAR);
              if (ai->proxyBypass)
                  proxyBypassBytesRequired = (lstrlenW(ai->proxyBypass) + 1) * sizeof(WCHAR);
              if (!pi || *size < sizeof(INTERNET_PROXY_INFOW) + proxyBytesRequired + proxyBypassBytesRequired)
              {
                  *size = sizeof(INTERNET_PROXY_INFOW) + proxyBytesRequired + proxyBypassBytesRequired;
                  return ERROR_INSUFFICIENT_BUFFER;
              }
              proxy = (LPWSTR)((LPBYTE)buffer + sizeof(INTERNET_PROXY_INFOW));
              proxy_bypass = (LPWSTR)((LPBYTE)buffer + sizeof(INTERNET_PROXY_INFOW) + proxyBytesRequired);
  
              pi->dwAccessType = ai->accessType;
              pi->lpszProxy = NULL;
              pi->lpszProxyBypass = NULL;
              if (ai->proxy) {
                  lstrcpyW(proxy, ai->proxy);
                  pi->lpszProxy = proxy;
              }
  
              if (ai->proxyBypass) {
                  lstrcpyW(proxy_bypass, ai->proxyBypass);
                  pi->lpszProxyBypass = proxy_bypass;
              }
  
              *size = sizeof(INTERNET_PROXY_INFOW) + proxyBytesRequired + proxyBypassBytesRequired;
              return ERROR_SUCCESS;
          }else {
              INTERNET_PROXY_INFOA *pi = (INTERNET_PROXY_INFOA *)buffer;
              DWORD proxyBytesRequired = 0, proxyBypassBytesRequired = 0;
              LPSTR proxy, proxy_bypass;
  
              if (ai->proxy)
                  proxyBytesRequired = WideCharToMultiByte(CP_ACP, 0, ai->proxy, -1, NULL, 0, NULL, NULL);
              if (ai->proxyBypass)
                  proxyBypassBytesRequired = WideCharToMultiByte(CP_ACP, 0, ai->proxyBypass, -1,
                          NULL, 0, NULL, NULL);
              if (!pi || *size < sizeof(INTERNET_PROXY_INFOA) + proxyBytesRequired + proxyBypassBytesRequired)
              {
                  *size = sizeof(INTERNET_PROXY_INFOA) + proxyBytesRequired + proxyBypassBytesRequired;
                  return ERROR_INSUFFICIENT_BUFFER;
              }
              proxy = (LPSTR)((LPBYTE)buffer + sizeof(INTERNET_PROXY_INFOA));
              proxy_bypass = (LPSTR)((LPBYTE)buffer + sizeof(INTERNET_PROXY_INFOA) + proxyBytesRequired);
  
              pi->dwAccessType = ai->accessType;
              pi->lpszProxy = NULL;
              pi->lpszProxyBypass = NULL;
              if (ai->proxy) {
                  WideCharToMultiByte(CP_ACP, 0, ai->proxy, -1, proxy, proxyBytesRequired, NULL, NULL);
                  pi->lpszProxy = proxy;
              }
  
              if (ai->proxyBypass) {
                  WideCharToMultiByte(CP_ACP, 0, ai->proxyBypass, -1, proxy_bypass,
                          proxyBypassBytesRequired, NULL, NULL);
                  pi->lpszProxyBypass = proxy_bypass;
              }
  
              *size = sizeof(INTERNET_PROXY_INFOA) + proxyBytesRequired + proxyBypassBytesRequired;
              return ERROR_SUCCESS;
          }
  
      case INTERNET_OPTION_CONNECT_TIMEOUT:
          TRACE("INTERNET_OPTION_CONNECT_TIMEOUT\n");
  
          if (*size < sizeof(ULONG))
              return ERROR_INSUFFICIENT_BUFFER;
  
          *(ULONG*)buffer = ai->connect_timeout;
          *size = sizeof(ULONG);
  
          return ERROR_SUCCESS;
      }
  
      return INET_QueryOption(hdr, option, buffer, size, unicode);
  }
  
  static DWORD APPINFO_SetOption(object_header_t *hdr, DWORD option, void *buf, DWORD size)
  {
      appinfo_t *ai = (appinfo_t*)hdr;
  
      switch(option) {
      case INTERNET_OPTION_CONNECT_TIMEOUT:
          TRACE("INTERNET_OPTION_CONNECT_TIMEOUT\n");
  
          if(size != sizeof(connect_timeout))
              return ERROR_INTERNET_BAD_OPTION_LENGTH;
          if(!*(ULONG*)buf)
              return ERROR_BAD_ARGUMENTS;
  
          ai->connect_timeout = *(ULONG*)buf;
          return ERROR_SUCCESS;
      case INTERNET_OPTION_USER_AGENT:
          heap_free(ai->agent);
          if (!(ai->agent = heap_strdupW(buf))) return ERROR_OUTOFMEMORY;
          return ERROR_SUCCESS;
      case INTERNET_OPTION_REFRESH:
          FIXME("INTERNET_OPTION_REFRESH\n");
          return ERROR_SUCCESS;
      }
  
      return INET_SetOption(hdr, option, buf, size);
  }
  
  static const object_vtbl_t APPINFOVtbl = {
      APPINFO_Destroy,
      NULL,
      APPINFO_QueryOption,
      APPINFO_SetOption,
      NULL,
      NULL,
      NULL
  };
  
  
  /***********************************************************************
   *           InternetOpenW   (WININET.@)
   *
   * Per-application initialization of wininet
   *
   * RETURNS
   *    HINTERNET on success
   *    NULL on failure
   *
   */
  HINTERNET WINAPI InternetOpenW(LPCWSTR lpszAgent, DWORD dwAccessType,
      LPCWSTR lpszProxy, LPCWSTR lpszProxyBypass, DWORD dwFlags)
  {
      appinfo_t *lpwai = NULL;
  
      if (TRACE_ON(wininet)) {
  #define FE(x) { x, #x }
  	static const wininet_flag_info access_type[] = {
  	    FE(INTERNET_OPEN_TYPE_PRECONFIG),
  	    FE(INTERNET_OPEN_TYPE_DIRECT),
  	    FE(INTERNET_OPEN_TYPE_PROXY),
  	    FE(INTERNET_OPEN_TYPE_PRECONFIG_WITH_NO_AUTOPROXY)
  	};
  #undef FE
  	DWORD i;
  	const char *access_type_str = "Unknown";
  	
  	TRACE("(%s, %i, %s, %s, %i)\n", debugstr_w(lpszAgent), dwAccessType,
  	      debugstr_w(lpszProxy), debugstr_w(lpszProxyBypass), dwFlags);
          for (i = 0; i < ARRAY_SIZE(access_type); i++) {
  	    if (access_type[i].val == dwAccessType) {
  		access_type_str = access_type[i].name;
  		break;
  	    }
  	}
  	TRACE("  access type : %s\n", access_type_str);
  	TRACE("  flags       :");
  	dump_INTERNET_FLAGS(dwFlags);
      }
  
      /* Clear any error information */
      INTERNET_SetLastError(0);
  
      if((dwAccessType == INTERNET_OPEN_TYPE_PROXY) && !lpszProxy) {
          SetLastError(ERROR_INVALID_PARAMETER);
          return NULL;
      }
  
      lpwai = alloc_object(NULL, &APPINFOVtbl, sizeof(appinfo_t));
      if (!lpwai) {
          SetLastError(ERROR_OUTOFMEMORY);
          return NULL;
      }
  
      lpwai->hdr.htype = WH_HINIT;
      lpwai->hdr.dwFlags = dwFlags;
      lpwai->accessType = dwAccessType;
      lpwai->proxyUsername = NULL;
      lpwai->proxyPassword = NULL;
      lpwai->connect_timeout = connect_timeout;
  
      lpwai->agent = heap_strdupW(lpszAgent);
      if(dwAccessType == INTERNET_OPEN_TYPE_PRECONFIG)
          INTERNET_ConfigureProxy( lpwai );
      else if(dwAccessType == INTERNET_OPEN_TYPE_PROXY) {
          lpwai->proxy = heap_strdupW(lpszProxy);
          lpwai->proxyBypass = heap_strdupW(lpszProxyBypass);
      }
  
      TRACE("returning %p\n", lpwai);
  
      return lpwai->hdr.hInternet;
  }
  
  
  /***********************************************************************
   *           InternetOpenA   (WININET.@)
   *
   * Per-application initialization of wininet
   *
   * RETURNS
   *    HINTERNET on success
   *    NULL on failure
   *
   */
  HINTERNET WINAPI InternetOpenA(LPCSTR lpszAgent, DWORD dwAccessType,
      LPCSTR lpszProxy, LPCSTR lpszProxyBypass, DWORD dwFlags)
  {
      WCHAR *szAgent, *szProxy, *szBypass;
      HINTERNET rc;
  
      TRACE("(%s, 0x%08x, %s, %s, 0x%08x)\n", debugstr_a(lpszAgent),
         dwAccessType, debugstr_a(lpszProxy), debugstr_a(lpszProxyBypass), dwFlags);
  
      szAgent = heap_strdupAtoW(lpszAgent);
      szProxy = heap_strdupAtoW(lpszProxy);
      szBypass = heap_strdupAtoW(lpszProxyBypass);
  
      rc = InternetOpenW(szAgent, dwAccessType, szProxy, szBypass, dwFlags);
  
      heap_free(szAgent);
      heap_free(szProxy);
      heap_free(szBypass);
      return rc;
  }
  
  /***********************************************************************
   *           InternetGetLastResponseInfoA (WININET.@)
   *
   * Return last wininet error description on the calling thread
   *
   * RETURNS
   *    TRUE on success of writing to buffer
   *    FALSE on failure
   *
   */
  BOOL WINAPI InternetGetLastResponseInfoA(LPDWORD lpdwError,
      LPSTR lpszBuffer, LPDWORD lpdwBufferLength)
  {
      LPWITHREADERROR lpwite = TlsGetValue(g_dwTlsErrIndex);
  
      TRACE("\n");
  
      if (lpwite)
      {
          *lpdwError = lpwite->dwError;
          if (lpwite->dwError)
          {
              memcpy(lpszBuffer, lpwite->response, *lpdwBufferLength);
              *lpdwBufferLength = strlen(lpszBuffer);
          }
          else
              *lpdwBufferLength = 0;
      }
      else
      {
          *lpdwError = 0;
          *lpdwBufferLength = 0;
      }
  
      return TRUE;
  }
  
  /***********************************************************************
   *           InternetGetLastResponseInfoW (WININET.@)
   *
   * Return last wininet error description on the calling thread
   *
   * RETURNS
   *    TRUE on success of writing to buffer
   *    FALSE on failure
   *
   */
  BOOL WINAPI InternetGetLastResponseInfoW(LPDWORD lpdwError,
      LPWSTR lpszBuffer, LPDWORD lpdwBufferLength)
  {
      LPWITHREADERROR lpwite = TlsGetValue(g_dwTlsErrIndex);
  
      TRACE("\n");
  
      if (lpwite)
      {
          *lpdwError = lpwite->dwError;
          if (lpwite->dwError)
          {
              memcpy(lpszBuffer, lpwite->response, *lpdwBufferLength);
              *lpdwBufferLength = lstrlenW(lpszBuffer);
          }
          else
              *lpdwBufferLength = 0;
      }
      else
      {
          *lpdwError = 0;
          *lpdwBufferLength = 0;
      }
  
      return TRUE;
  }
  
  /***********************************************************************
   *           InternetGetConnectedState (WININET.@)
   *
   * Return connected state
   *
   * RETURNS
   *    TRUE if connected
   *    if lpdwStatus is not null, return the status (off line,
   *    modem, lan...) in it.
   *    FALSE if not connected
   */
  BOOL WINAPI InternetGetConnectedState(LPDWORD lpdwStatus, DWORD dwReserved)
  {
      TRACE("(%p, 0x%08x)\n", lpdwStatus, dwReserved);
  
      return InternetGetConnectedStateExW(lpdwStatus, NULL, 0, dwReserved);
  }
  
  
  /***********************************************************************
   *           InternetGetConnectedStateExW (WININET.@)
   *
   * Return connected state
   *
   * PARAMS
   *
   * lpdwStatus         [O] Flags specifying the status of the internet connection.
   * lpszConnectionName [O] Pointer to buffer to receive the friendly name of the internet connection.
   * dwNameLen          [I] Size of the buffer, in characters.
   * dwReserved         [I] Reserved. Must be set to 0.
   *
   * RETURNS
   *    TRUE if connected
   *    if lpdwStatus is not null, return the status (off line,
   *    modem, lan...) in it.
   *    FALSE if not connected
   *
   * NOTES
   *   If the system has no available network connections, an empty string is
   *   stored in lpszConnectionName. If there is a LAN connection, a localized
   *   "LAN Connection" string is stored. Presumably, if only a dial-up
   *   connection is available then the name of the dial-up connection is
   *   returned. Why any application, other than the "Internet Settings" CPL,
   *   would want to use this function instead of the simpler InternetGetConnectedStateW
   *   function is beyond me.
   */
  BOOL WINAPI InternetGetConnectedStateExW(LPDWORD lpdwStatus, LPWSTR lpszConnectionName,
                                           DWORD dwNameLen, DWORD dwReserved)
  {
      TRACE("(%p, %p, %d, 0x%08x)\n", lpdwStatus, lpszConnectionName, dwNameLen, dwReserved);
  
      /* Must be zero */
      if(dwReserved)
          return FALSE;
  
      if (lpdwStatus) {
          WARN("always returning LAN connection.\n");
          *lpdwStatus = INTERNET_CONNECTION_LAN;
      }
  
      /* When the buffer size is zero LoadStringW fills the buffer with a pointer to
       * the resource, avoid it as we must not change the buffer in this case */
      if(lpszConnectionName && dwNameLen) {
          *lpszConnectionName = '\0';
          LoadStringW(WININET_hModule, IDS_LANCONNECTION, lpszConnectionName, dwNameLen);
      }
  
      return TRUE;
  }
  
  
  /***********************************************************************
   *           InternetGetConnectedStateExA (WININET.@)
   */
  BOOL WINAPI InternetGetConnectedStateExA(LPDWORD lpdwStatus, LPSTR lpszConnectionName,
                                           DWORD dwNameLen, DWORD dwReserved)
  {
      LPWSTR lpwszConnectionName = NULL;
      BOOL rc;
  
      TRACE("(%p, %p, %d, 0x%08x)\n", lpdwStatus, lpszConnectionName, dwNameLen, dwReserved);
  
      if (lpszConnectionName && dwNameLen > 0)
          lpwszConnectionName = heap_alloc(dwNameLen * sizeof(WCHAR));
  
      rc = InternetGetConnectedStateExW(lpdwStatus,lpwszConnectionName, dwNameLen,
                                        dwReserved);
      if (rc && lpwszConnectionName)
          WideCharToMultiByte(CP_ACP,0,lpwszConnectionName,-1,lpszConnectionName,
                              dwNameLen, NULL, NULL);
  
      heap_free(lpwszConnectionName);
      return rc;
  }
  
  
  /***********************************************************************
   *           InternetConnectW (WININET.@)
   *
   * Open a ftp, gopher or http session
   *
   * RETURNS
   *    HINTERNET a session handle on success
   *    NULL on failure
   *
   */
  HINTERNET WINAPI InternetConnectW(HINTERNET hInternet,
      LPCWSTR lpszServerName, INTERNET_PORT nServerPort,
      LPCWSTR lpszUserName, LPCWSTR lpszPassword,
      DWORD dwService, DWORD dwFlags, DWORD_PTR dwContext)
  {
      appinfo_t *hIC;
      HINTERNET rc = NULL;
      DWORD res = ERROR_SUCCESS;
  
      TRACE("(%p, %s, %u, %s, %p, %u, %x, %lx)\n", hInternet, debugstr_w(lpszServerName),
            nServerPort, debugstr_w(lpszUserName), lpszPassword, dwService, dwFlags, dwContext);
  
      if (!lpszServerName)
      {
          SetLastError(ERROR_INVALID_PARAMETER);
          return NULL;
      }
  
      hIC = (appinfo_t*)get_handle_object( hInternet );
      if ( (hIC == NULL) || (hIC->hdr.htype != WH_HINIT) )
      {
          res = ERROR_INVALID_HANDLE;
          goto lend;
      }
  
      switch (dwService)
      {
          case INTERNET_SERVICE_FTP:
              rc = FTP_Connect(hIC, lpszServerName, nServerPort,
              lpszUserName, lpszPassword, dwFlags, dwContext, 0);
              if(!rc)
                  res = INTERNET_GetLastError();
              break;
  
          case INTERNET_SERVICE_HTTP:
  	    res = HTTP_Connect(hIC, lpszServerName, nServerPort,
                      lpszUserName, lpszPassword, dwFlags, dwContext, 0, &rc);
              break;
  
          case INTERNET_SERVICE_GOPHER:
          default:
              break;
      }
  lend:
      if( hIC )
          WININET_Release( &hIC->hdr );
  
      TRACE("returning %p\n", rc);
      SetLastError(res);
      return rc;
  }
  
  
  /***********************************************************************
   *           InternetConnectA (WININET.@)
   *
   * Open a ftp, gopher or http session
   *
   * RETURNS
   *    HINTERNET a session handle on success
   *    NULL on failure
   *
   */
  HINTERNET WINAPI InternetConnectA(HINTERNET hInternet,
      LPCSTR lpszServerName, INTERNET_PORT nServerPort,
      LPCSTR lpszUserName, LPCSTR lpszPassword,
      DWORD dwService, DWORD dwFlags, DWORD_PTR dwContext)
  {
      HINTERNET rc = NULL;
      LPWSTR szServerName;
      LPWSTR szUserName;
      LPWSTR szPassword;
  
      szServerName = heap_strdupAtoW(lpszServerName);
      szUserName = heap_strdupAtoW(lpszUserName);
      szPassword = heap_strdupAtoW(lpszPassword);
  
      rc = InternetConnectW(hInternet, szServerName, nServerPort,
          szUserName, szPassword, dwService, dwFlags, dwContext);
  
      heap_free(szServerName);
      heap_free(szUserName);
      heap_free(szPassword);
      return rc;
  }
  
  
  /***********************************************************************
   *           InternetFindNextFileA (WININET.@)
   *
   * Continues a file search from a previous call to FindFirstFile
   *
   * RETURNS
   *    TRUE on success
   *    FALSE on failure
   *
   */
  BOOL WINAPI InternetFindNextFileA(HINTERNET hFind, LPVOID lpvFindData)
  {
      BOOL ret;
      WIN32_FIND_DATAW fd;
      
      ret = InternetFindNextFileW(hFind, lpvFindData?&fd:NULL);
      if(lpvFindData)
          WININET_find_data_WtoA(&fd, (LPWIN32_FIND_DATAA)lpvFindData);
      return ret;
  }
  
  /***********************************************************************
   *           InternetFindNextFileW (WININET.@)
   *
   * Continues a file search from a previous call to FindFirstFile
   *
   * RETURNS
   *    TRUE on success
   *    FALSE on failure
   *
   */
  BOOL WINAPI InternetFindNextFileW(HINTERNET hFind, LPVOID lpvFindData)
  {
      object_header_t *hdr;
      DWORD res;
  
      TRACE("\n");
  
      hdr = get_handle_object(hFind);
      if(!hdr) {
          WARN("Invalid handle\n");
          SetLastError(ERROR_INVALID_HANDLE);
          return FALSE;
      }
  
      if(hdr->vtbl->FindNextFileW) {
          res = hdr->vtbl->FindNextFileW(hdr, lpvFindData);
      }else {
          WARN("Handle doesn't support NextFile\n");
          res = ERROR_INTERNET_INCORRECT_HANDLE_TYPE;
      }
  
      WININET_Release(hdr);
  
      if(res != ERROR_SUCCESS)
          SetLastError(res);
      return res == ERROR_SUCCESS;
  }
  
  /***********************************************************************
   *           InternetCloseHandle (WININET.@)
   *
   * Generic close handle function
   *
   * RETURNS
   *    TRUE on success
   *    FALSE on failure
   *
   */
  BOOL WINAPI InternetCloseHandle(HINTERNET hInternet)
  {
      object_header_t *obj;
      
      TRACE("%p\n", hInternet);
  
      obj = get_handle_object( hInternet );
      if (!obj) {
          SetLastError(ERROR_INVALID_HANDLE);
          return FALSE;
      }
  
      invalidate_handle(obj);
      WININET_Release(obj);
  
      return TRUE;
  }
  
  static BOOL set_url_component(WCHAR **component, DWORD *component_length, const WCHAR *value, DWORD len)
  {
      TRACE("%s (%d)\n", debugstr_wn(value, len), len);
  
      if (!*component_length)
          return TRUE;
  
      if (!*component) {
          *(const WCHAR**)component = value;
          *component_length = len;
          return TRUE;
      }
  
      if (*component_length < len+1) {
          SetLastError(ERROR_INSUFFICIENT_BUFFER);
          return FALSE;
      }
  
      *component_length = len;
      if(len)
          memcpy(*component, value, len*sizeof(WCHAR));
      (*component)[len] = 0;
      return TRUE;
  }
  
  static BOOL set_url_component_WtoA(const WCHAR *comp_w, DWORD length, const WCHAR *url_w, char **comp, DWORD *ret_length,
                                     const char *url_a)
  {
      size_t size, ret_size = *ret_length;
  
      if (!*ret_length)
          return TRUE;
      size = WideCharToMultiByte(CP_ACP, 0, comp_w, length, NULL, 0, NULL, NULL);
  
      if (!*comp) {
          *comp = comp_w ? (char*)url_a + WideCharToMultiByte(CP_ACP, 0, url_w, comp_w-url_w, NULL, 0, NULL, NULL) : NULL;
          *ret_length = size;
          return TRUE;
      }
  
      if (size+1 > ret_size) {
          SetLastError(ERROR_INSUFFICIENT_BUFFER);
          *ret_length = size+1;
          return FALSE;
      }
  
      *ret_length = size;
      WideCharToMultiByte(CP_ACP, 0, comp_w, length, *comp, ret_size-1, NULL, NULL);
      (*comp)[size] = 0;
      return TRUE;
  }
  
  static BOOL set_url_component_AtoW(const char *comp_a, DWORD len_a, WCHAR **comp_w, DWORD *len_w, WCHAR **buf)
  {
      *len_w = len_a;
  
      if(!comp_a) {
          *comp_w = NULL;
          return TRUE;
      }
  
      if(!(*comp_w = *buf = heap_alloc(len_a*sizeof(WCHAR)))) {
          SetLastError(ERROR_OUTOFMEMORY);
          return FALSE;
      }
  
      return TRUE;
  }
  
  /***********************************************************************
   *           InternetCrackUrlA (WININET.@)
   *
   * See InternetCrackUrlW.
   */
  BOOL WINAPI InternetCrackUrlA(const char *url, DWORD url_length, DWORD flags, URL_COMPONENTSA *ret_comp)
  {
      WCHAR *host = NULL, *user = NULL, *pass = NULL, *path = NULL, *scheme = NULL, *extra = NULL;
      URL_COMPONENTSW comp;
      WCHAR *url_w = NULL;
      BOOL ret;
  
      TRACE("(%s %u %x %p)\n", url_length ? debugstr_an(url, url_length) : debugstr_a(url), url_length, flags, ret_comp);
  
      if (!url || !*url || !ret_comp || ret_comp->dwStructSize != sizeof(URL_COMPONENTSA)) {
          SetLastError(ERROR_INVALID_PARAMETER);
          return FALSE;
      }
  
      comp.dwStructSize = sizeof(comp);
  
      ret = set_url_component_AtoW(ret_comp->lpszHostName, ret_comp->dwHostNameLength,
                                   &comp.lpszHostName, &comp.dwHostNameLength, &host)
          && set_url_component_AtoW(ret_comp->lpszUserName, ret_comp->dwUserNameLength,
                                    &comp.lpszUserName, &comp.dwUserNameLength, &user)
          && set_url_component_AtoW(ret_comp->lpszPassword, ret_comp->dwPasswordLength,
                                    &comp.lpszPassword, &comp.dwPasswordLength, &pass)
          && set_url_component_AtoW(ret_comp->lpszUrlPath, ret_comp->dwUrlPathLength,
                                    &comp.lpszUrlPath, &comp.dwUrlPathLength, &path)
          && set_url_component_AtoW(ret_comp->lpszScheme, ret_comp->dwSchemeLength,
                                    &comp.lpszScheme, &comp.dwSchemeLength, &scheme)
          && set_url_component_AtoW(ret_comp->lpszExtraInfo, ret_comp->dwExtraInfoLength,
                                    &comp.lpszExtraInfo, &comp.dwExtraInfoLength, &extra);
  
      if(ret && !(url_w = heap_strndupAtoW(url, url_length ? url_length : -1, &url_length))) {
          SetLastError(ERROR_OUTOFMEMORY);
          ret = FALSE;
      }
  
      if (ret && (ret = InternetCrackUrlW(url_w, url_length, flags, &comp))) {
          ret_comp->nScheme = comp.nScheme;
          ret_comp->nPort = comp.nPort;
  
          ret = set_url_component_WtoA(comp.lpszHostName, comp.dwHostNameLength, url_w,
                                       &ret_comp->lpszHostName, &ret_comp->dwHostNameLength, url)
              && set_url_component_WtoA(comp.lpszUserName, comp.dwUserNameLength, url_w,
                                        &ret_comp->lpszUserName, &ret_comp->dwUserNameLength, url)
              && set_url_component_WtoA(comp.lpszPassword, comp.dwPasswordLength, url_w,
                                        &ret_comp->lpszPassword, &ret_comp->dwPasswordLength, url)
              && set_url_component_WtoA(comp.lpszUrlPath, comp.dwUrlPathLength, url_w,
                                        &ret_comp->lpszUrlPath, &ret_comp->dwUrlPathLength, url)
              && set_url_component_WtoA(comp.lpszScheme, comp.dwSchemeLength, url_w,
                                        &ret_comp->lpszScheme, &ret_comp->dwSchemeLength, url)
              && set_url_component_WtoA(comp.lpszExtraInfo, comp.dwExtraInfoLength, url_w,
                                        &ret_comp->lpszExtraInfo, &ret_comp->dwExtraInfoLength, url);
  
          if(ret)
              TRACE("%s: scheme(%s) host(%s) path(%s) extra(%s)\n", debugstr_a(url),
                    debugstr_an(ret_comp->lpszScheme, ret_comp->dwSchemeLength),
                    debugstr_an(ret_comp->lpszHostName, ret_comp->dwHostNameLength),
                    debugstr_an(ret_comp->lpszUrlPath, ret_comp->dwUrlPathLength),
                    debugstr_an(ret_comp->lpszExtraInfo, ret_comp->dwExtraInfoLength));
      }
  
      heap_free(host);
      heap_free(user);
      heap_free(pass);
      heap_free(path);
      heap_free(scheme);
      heap_free(extra);
      heap_free(url_w);
      return ret;
  }
  
  static const WCHAR url_schemes[][7] =
  {
      {'f','t','p',0},
      {'g','o','p','h','e','r',0},
      {'h','t','t','p',0},
      {'h','t','t','p','s',0},
      {'f','i','l','e',0},
      {'n','e','w','s',0},
      {'m','a','i','l','t','o',0},
      {'r','e','s',0},
  };
  
  /***********************************************************************
   *           GetInternetSchemeW (internal)
   *
   * Get scheme of url
   *
   * RETURNS
   *    scheme on success
   *    INTERNET_SCHEME_UNKNOWN on failure
   *
   */
  static INTERNET_SCHEME GetInternetSchemeW(LPCWSTR lpszScheme, DWORD nMaxCmp)
  {
      int i;
  
      TRACE("%s %d\n",debugstr_wn(lpszScheme, nMaxCmp), nMaxCmp);
  
      if(lpszScheme==NULL)
          return INTERNET_SCHEME_UNKNOWN;
  
      for (i = 0; i < ARRAY_SIZE(url_schemes); i++)
          if (!strncmpiW(lpszScheme, url_schemes[i], nMaxCmp))
              return INTERNET_SCHEME_FIRST + i;
  
      return INTERNET_SCHEME_UNKNOWN;
  }
  
  /***********************************************************************
   *           InternetCrackUrlW   (WININET.@)
   *
   * Break up URL into its components
   *
   * RETURNS
   *    TRUE on success
   *    FALSE on failure
   */
  BOOL WINAPI InternetCrackUrlW(const WCHAR *lpszUrl, DWORD dwUrlLength, DWORD dwFlags, URL_COMPONENTSW *lpUC)
  {
    /*
     * RFC 1808
     * <protocol>:[//<net_loc>][/path][;<params>][?<query>][#<fragment>]
     *
     */
      LPCWSTR lpszParam    = NULL;
      BOOL  found_colon = FALSE;
      LPCWSTR lpszap;
      LPCWSTR lpszcp = NULL, lpszNetLoc;
  
      TRACE("(%s %u %x %p)\n",
            lpszUrl ? debugstr_wn(lpszUrl, dwUrlLength ? dwUrlLength : strlenW(lpszUrl)) : "(null)",
            dwUrlLength, dwFlags, lpUC);
  
      if (!lpszUrl || !*lpszUrl || !lpUC)
      {
          SetLastError(ERROR_INVALID_PARAMETER);
          return FALSE;
      }
      if (!dwUrlLength) dwUrlLength = strlenW(lpszUrl);
  
      if (dwFlags & ICU_DECODE)
      {
          WCHAR *url_tmp, *buffer;
          DWORD len = dwUrlLength + 1;
          BOOL ret;
  
          if (!(url_tmp = heap_strndupW(lpszUrl, dwUrlLength)))
          {
              SetLastError(ERROR_OUTOFMEMORY);
              return FALSE;
          }
  
          buffer = url_tmp;
          ret = InternetCanonicalizeUrlW(url_tmp, buffer, &len, ICU_DECODE | ICU_NO_ENCODE);
          if (!ret && GetLastError() == ERROR_INSUFFICIENT_BUFFER)
          {
              buffer = heap_alloc(len * sizeof(WCHAR));
              if (!buffer)
              {
                  SetLastError(ERROR_OUTOFMEMORY);
                  heap_free(url_tmp);
                  return FALSE;
              }
              ret = InternetCanonicalizeUrlW(url_tmp, buffer, &len, ICU_DECODE | ICU_NO_ENCODE);
          }
          if (ret)
              ret = InternetCrackUrlW(buffer, len, dwFlags & ~ICU_DECODE, lpUC);
  
          if (buffer != url_tmp) heap_free(buffer);
          heap_free(url_tmp);
          return ret;
      }
      lpszap = lpszUrl;
      
      /* Determine if the URI is absolute. */
      while (lpszap - lpszUrl < dwUrlLength)
      {
          if (isalnumW(*lpszap) || *lpszap == '+' || *lpszap == '.' || *lpszap == '-')
          {
              lpszap++;
              continue;
          }
          if (*lpszap == ':')
          {
              found_colon = TRUE;
              lpszcp = lpszap;
          }
          else
          {
              lpszcp = lpszUrl; /* Relative url */
          }
  
          break;
      }
  
      if(!found_colon){
          SetLastError(ERROR_INTERNET_UNRECOGNIZED_SCHEME);
          return FALSE;
      }
  
      lpUC->nScheme = INTERNET_SCHEME_UNKNOWN;
      lpUC->nPort = INTERNET_INVALID_PORT_NUMBER;
  
      /* Parse <params> */
      lpszParam = memchrW(lpszap, '?', dwUrlLength - (lpszap - lpszUrl));
      if(!lpszParam)
          lpszParam = memchrW(lpszap, '#', dwUrlLength - (lpszap - lpszUrl));
  
      if(!set_url_component(&lpUC->lpszExtraInfo, &lpUC->dwExtraInfoLength,
                            lpszParam, lpszParam ? dwUrlLength-(lpszParam-lpszUrl) : 0))
          return FALSE;
  
  
      /* Get scheme first. */
      lpUC->nScheme = GetInternetSchemeW(lpszUrl, lpszcp - lpszUrl);
      if(!set_url_component(&lpUC->lpszScheme, &lpUC->dwSchemeLength, lpszUrl, lpszcp - lpszUrl))
          return FALSE;
  
      /* Eat ':' in protocol. */
      lpszcp++;
  
      /* double slash indicates the net_loc portion is present */
      if ((lpszcp[0] == '/') && (lpszcp[1] == '/'))
      {
          lpszcp += 2;
  
          lpszNetLoc = memchrW(lpszcp, '/', dwUrlLength - (lpszcp - lpszUrl));
          if (lpszParam)
          {
              if (lpszNetLoc)
                  lpszNetLoc = min(lpszNetLoc, lpszParam);
              else
                  lpszNetLoc = lpszParam;
          }
          else if (!lpszNetLoc)
              lpszNetLoc = lpszcp + dwUrlLength-(lpszcp-lpszUrl);
  
          /* Parse net-loc */
          if (lpszNetLoc)
          {
              LPCWSTR lpszHost;
              LPCWSTR lpszPort;
  
              /* [<user>[<:password>]@]<host>[:<port>] */
              /* First find the user and password if they exist */
  
              lpszHost = memchrW(lpszcp, '@', dwUrlLength - (lpszcp - lpszUrl));
              if (lpszHost == NULL || lpszHost > lpszNetLoc)
              {
                  /* username and password not specified. */
                  set_url_component(&lpUC->lpszUserName, &lpUC->dwUserNameLength, NULL, 0);
                  set_url_component(&lpUC->lpszPassword, &lpUC->dwPasswordLength, NULL, 0);
              }
              else /* Parse out username and password */
              {
                  LPCWSTR lpszUser = lpszcp;
                  LPCWSTR lpszPasswd = lpszHost;
  
                  while (lpszcp < lpszHost)
                  {
                      if (*lpszcp == ':')
                          lpszPasswd = lpszcp;
  
                      lpszcp++;
                  }
  
                  if(!set_url_component(&lpUC->lpszUserName, &lpUC->dwUserNameLength, lpszUser, lpszPasswd - lpszUser))
                      return FALSE;
  
                  if (lpszPasswd != lpszHost)
                      lpszPasswd++;
                  if(!set_url_component(&lpUC->lpszPassword, &lpUC->dwPasswordLength,
                                        lpszPasswd == lpszHost ? NULL : lpszPasswd, lpszHost - lpszPasswd))
                      return FALSE;
  
                  lpszcp++; /* Advance to beginning of host */
              }
  
              /* Parse <host><:port> */
  
              lpszHost = lpszcp;
              lpszPort = lpszNetLoc;
  
              /* special case for res:// URLs: there is no port here, so the host is the
                 entire string up to the first '/' */
              if(lpUC->nScheme==INTERNET_SCHEME_RES)
              {
                  if(!set_url_component(&lpUC->lpszHostName, &lpUC->dwHostNameLength, lpszHost, lpszPort - lpszHost))
                      return FALSE;
                  lpszcp=lpszNetLoc;
              }
              else
              {
                  while (lpszcp < lpszNetLoc)
                  {
                      if (*lpszcp == ':')
                          lpszPort = lpszcp;
  
                      lpszcp++;
                  }
  
                  /* If the scheme is "file" and the host is just one letter, it's not a host */
                  if(lpUC->nScheme==INTERNET_SCHEME_FILE && lpszPort <= lpszHost+1)
                  {
                      lpszcp=lpszHost;
                      set_url_component(&lpUC->lpszHostName, &lpUC->dwHostNameLength, NULL, 0);
                  }
                  else
                  {
                      if(!set_url_component(&lpUC->lpszHostName, &lpUC->dwHostNameLength, lpszHost, lpszPort - lpszHost))
                          return FALSE;
                      if (lpszPort != lpszNetLoc)
                          lpUC->nPort = atoiW(++lpszPort);
                      else switch (lpUC->nScheme)
                      {
                      case INTERNET_SCHEME_HTTP:
                          lpUC->nPort = INTERNET_DEFAULT_HTTP_PORT;
                          break;
                      case INTERNET_SCHEME_HTTPS:
                          lpUC->nPort = INTERNET_DEFAULT_HTTPS_PORT;
                          break;
                      case INTERNET_SCHEME_FTP:
                          lpUC->nPort = INTERNET_DEFAULT_FTP_PORT;
                          break;
                      case INTERNET_SCHEME_GOPHER:
                          lpUC->nPort = INTERNET_DEFAULT_GOPHER_PORT;
                          break;
                      default:
                          break;
                      }
                  }
              }
          }
      }
      else
      {
          set_url_component(&lpUC->lpszUserName, &lpUC->dwUserNameLength, NULL, 0);
          set_url_component(&lpUC->lpszPassword, &lpUC->dwPasswordLength, NULL, 0);
          set_url_component(&lpUC->lpszHostName, &lpUC->dwHostNameLength, NULL, 0);
      }
  
      /* Here lpszcp points to:
       *
       * <protocol>:[//<net_loc>][/path][;<params>][?<query>][#<fragment>]
       *                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
       */
      if (lpszcp != 0 && lpszcp - lpszUrl < dwUrlLength && (!lpszParam || lpszcp <= lpszParam))
      {
          DWORD len;
  
          /* Only truncate the parameter list if it's already been saved
           * in lpUC->lpszExtraInfo.
           */
          if (lpszParam && lpUC->dwExtraInfoLength && lpUC->lpszExtraInfo)
              len = lpszParam - lpszcp;
          else
          {
              /* Leave the parameter list in lpszUrlPath.  Strip off any trailing
               * newlines if necessary.
               */
              LPWSTR lpsznewline = memchrW(lpszcp, '\n', dwUrlLength - (lpszcp - lpszUrl));
              if (lpsznewline != NULL)
                  len = lpsznewline - lpszcp;
              else
                  len = dwUrlLength-(lpszcp-lpszUrl);
          }
          if (lpUC->dwUrlPathLength && lpUC->lpszUrlPath &&
                  lpUC->nScheme == INTERNET_SCHEME_FILE)
          {
              WCHAR tmppath[MAX_PATH];
              if (*lpszcp == '/')
              {
                  len = MAX_PATH;
                  PathCreateFromUrlW(lpszUrl, tmppath, &len, 0);
              }
              else
              {
                  WCHAR *iter;
                  memcpy(tmppath, lpszcp, len * sizeof(WCHAR));
                  tmppath[len] = '\0';
  
                  iter = tmppath;
                  while (*iter) {
                      if (*iter == '/')
                          *iter = '\\';
                      ++iter;
                  }
              }
              /* if ends in \. or \.. append a backslash */
              if (tmppath[len - 1] == '.' &&
                      (tmppath[len - 2] == '\\' ||
                       (tmppath[len - 2] == '.' && tmppath[len - 3] == '\\')))
              {
                  if (len < MAX_PATH - 1)
                  {
                      tmppath[len] = '\\';
                      tmppath[len+1] = '\0';
                      ++len;
                  }
              }
              if(!set_url_component(&lpUC->lpszUrlPath, &lpUC->dwUrlPathLength, tmppath, len))
                  return FALSE;
          }
          else if(!set_url_component(&lpUC->lpszUrlPath, &lpUC->dwUrlPathLength, lpszcp, len))
              return FALSE;
      }
      else
      {
          set_url_component(&lpUC->lpszUrlPath, &lpUC->dwUrlPathLength, lpszcp, 0);
      }
  
      TRACE("%s: scheme(%s) host(%s) path(%s) extra(%s)\n", debugstr_wn(lpszUrl,dwUrlLength),
               debugstr_wn(lpUC->lpszScheme,lpUC->dwSchemeLength),
               debugstr_wn(lpUC->lpszHostName,lpUC->dwHostNameLength),
               debugstr_wn(lpUC->lpszUrlPath,lpUC->dwUrlPathLength),
               debugstr_wn(lpUC->lpszExtraInfo,lpUC->dwExtraInfoLength));
  
      return TRUE;
  }
  
  /***********************************************************************
   *           InternetAttemptConnect (WININET.@)
   *
   * Attempt to make a connection to the internet
   *
   * RETURNS
   *    ERROR_SUCCESS on success
   *    Error value   on failure
   *
   */
  DWORD WINAPI InternetAttemptConnect(DWORD dwReserved)
  {
      FIXME("Stub\n");
      return ERROR_SUCCESS;
  }
  
  
  /***********************************************************************
   *           convert_url_canonicalization_flags
   *
   * Helper for InternetCanonicalizeUrl
   *
   * PARAMS
   *     dwFlags [I] Flags suitable for InternetCanonicalizeUrl
   *
   * RETURNS
   *     Flags suitable for UrlCanonicalize
   */
  static DWORD convert_url_canonicalization_flags(DWORD dwFlags)
  {
      DWORD dwUrlFlags = URL_WININET_COMPATIBILITY | URL_ESCAPE_UNSAFE;
  
      if (dwFlags & ICU_BROWSER_MODE)        dwUrlFlags |= URL_BROWSER_MODE;
      if (dwFlags & ICU_DECODE)              dwUrlFlags |= URL_UNESCAPE;
      if (dwFlags & ICU_ENCODE_PERCENT)      dwUrlFlags |= URL_ESCAPE_PERCENT;
      if (dwFlags & ICU_ENCODE_SPACES_ONLY)  dwUrlFlags |= URL_ESCAPE_SPACES_ONLY;
      /* Flip this bit to correspond to URL_ESCAPE_UNSAFE */
      if (dwFlags & ICU_NO_ENCODE)           dwUrlFlags ^= URL_ESCAPE_UNSAFE;
      if (dwFlags & ICU_NO_META)             dwUrlFlags |= URL_NO_META;
  
      return dwUrlFlags;
  }
  
  /***********************************************************************
   *           InternetCanonicalizeUrlA (WININET.@)
   *
   * Escape unsafe characters and spaces
   *
   * RETURNS
   *    TRUE on success
   *    FALSE on failure
   *
   */
  BOOL WINAPI InternetCanonicalizeUrlA(LPCSTR lpszUrl, LPSTR lpszBuffer,
  	LPDWORD lpdwBufferLength, DWORD dwFlags)
  {
      HRESULT hr;
  
      TRACE("(%s, %p, %p, 0x%08x) buffer length: %d\n", debugstr_a(lpszUrl), lpszBuffer,
          lpdwBufferLength, dwFlags, lpdwBufferLength ? *lpdwBufferLength : -1);
  
      dwFlags = convert_url_canonicalization_flags(dwFlags);
      hr = UrlCanonicalizeA(lpszUrl, lpszBuffer, lpdwBufferLength, dwFlags);
      if (hr == E_POINTER) SetLastError(ERROR_INSUFFICIENT_BUFFER);
      if (hr == E_INVALIDARG) SetLastError(ERROR_INVALID_PARAMETER);
  
      return hr == S_OK;
  }
  
  /***********************************************************************
   *           InternetCanonicalizeUrlW (WININET.@)
   *
   * Escape unsafe characters and spaces
   *
   * RETURNS
   *    TRUE on success
   *    FALSE on failure
   *
   */
  BOOL WINAPI InternetCanonicalizeUrlW(LPCWSTR lpszUrl, LPWSTR lpszBuffer,
      LPDWORD lpdwBufferLength, DWORD dwFlags)
  {
      HRESULT hr;
  
      TRACE("(%s, %p, %p, 0x%08x) buffer length: %d\n", debugstr_w(lpszUrl), lpszBuffer,
            lpdwBufferLength, dwFlags, lpdwBufferLength ? *lpdwBufferLength : -1);
  
      dwFlags = convert_url_canonicalization_flags(dwFlags);
      hr = UrlCanonicalizeW(lpszUrl, lpszBuffer, lpdwBufferLength, dwFlags);
      if (hr == E_POINTER) SetLastError(ERROR_INSUFFICIENT_BUFFER);
      if (hr == E_INVALIDARG) SetLastError(ERROR_INVALID_PARAMETER);
  
      return hr == S_OK;
  }
  
  /* #################################################### */
  
  static INTERNET_STATUS_CALLBACK set_status_callback(
      object_header_t *lpwh, INTERNET_STATUS_CALLBACK callback, BOOL unicode)
  {
      INTERNET_STATUS_CALLBACK ret;
  
      if (unicode) lpwh->dwInternalFlags |= INET_CALLBACKW;
      else lpwh->dwInternalFlags &= ~INET_CALLBACKW;
  
      ret = lpwh->lpfnStatusCB;
      lpwh->lpfnStatusCB = callback;
  
      return ret;
  }
  
  /***********************************************************************
   *           InternetSetStatusCallbackA (WININET.@)
   *
   * Sets up a callback function which is called as progress is made
   * during an operation.
   *
   * RETURNS
   *    Previous callback or NULL 	on success
   *    INTERNET_INVALID_STATUS_CALLBACK  on failure
   *
   */
  INTERNET_STATUS_CALLBACK WINAPI InternetSetStatusCallbackA(
  	HINTERNET hInternet ,INTERNET_STATUS_CALLBACK lpfnIntCB)
  {
      INTERNET_STATUS_CALLBACK retVal;
      object_header_t *lpwh;
  
      TRACE("%p\n", hInternet);
  
      if (!(lpwh = get_handle_object(hInternet)))
          return INTERNET_INVALID_STATUS_CALLBACK;
  
      retVal = set_status_callback(lpwh, lpfnIntCB, FALSE);
  
      WININET_Release( lpwh );
      return retVal;
  }
  
  /***********************************************************************
   *           InternetSetStatusCallbackW (WININET.@)
   *
   * Sets up a callback function which is called as progress is made
   * during an operation.
   *
   * RETURNS
   *    Previous callback or NULL 	on success
   *    INTERNET_INVALID_STATUS_CALLBACK  on failure
   *
   */
  INTERNET_STATUS_CALLBACK WINAPI InternetSetStatusCallbackW(
  	HINTERNET hInternet ,INTERNET_STATUS_CALLBACK lpfnIntCB)
  {
      INTERNET_STATUS_CALLBACK retVal;
      object_header_t *lpwh;
  
      TRACE("%p\n", hInternet);
  
      if (!(lpwh = get_handle_object(hInternet)))
          return INTERNET_INVALID_STATUS_CALLBACK;
  
      retVal = set_status_callback(lpwh, lpfnIntCB, TRUE);
  
      WININET_Release( lpwh );
      return retVal;
  }
  
  /***********************************************************************
   *           InternetSetFilePointer (WININET.@)
   */
  DWORD WINAPI InternetSetFilePointer(HINTERNET hFile, LONG lDistanceToMove,
      PVOID pReserved, DWORD dwMoveContext, DWORD_PTR dwContext)
  {
      FIXME("(%p %d %p %d %lx): stub\n", hFile, lDistanceToMove, pReserved, dwMoveContext, dwContext);
      return FALSE;
  }
  
  /***********************************************************************
   *           InternetWriteFile (WININET.@)
   *
   * Write data to an open internet file
   *
   * RETURNS
   *    TRUE  on success
   *    FALSE on failure
   *
   */
  BOOL WINAPI InternetWriteFile(HINTERNET hFile, LPCVOID lpBuffer,
  	DWORD dwNumOfBytesToWrite, LPDWORD lpdwNumOfBytesWritten)
  {
      object_header_t *lpwh;
      BOOL res;
  
      TRACE("(%p %p %d %p)\n", hFile, lpBuffer, dwNumOfBytesToWrite, lpdwNumOfBytesWritten);
  
      lpwh = get_handle_object( hFile );
      if (!lpwh) {
          WARN("Invalid handle\n");
          SetLastError(ERROR_INVALID_HANDLE);
          return FALSE;
      }
  
      if(lpwh->vtbl->WriteFile) {
          res = lpwh->vtbl->WriteFile(lpwh, lpBuffer, dwNumOfBytesToWrite, lpdwNumOfBytesWritten);
      }else {
          WARN("No Writefile method.\n");
          res = ERROR_INVALID_HANDLE;
      }
  
      WININET_Release( lpwh );
  
      if(res != ERROR_SUCCESS)
          SetLastError(res);
      return res == ERROR_SUCCESS;
  }
  
  
  /***********************************************************************
   *           InternetReadFile (WININET.@)
   *
   * Read data from an open internet file
   *
   * RETURNS
   *    TRUE  on success
   *    FALSE on failure
   *
   */
  BOOL WINAPI InternetReadFile(HINTERNET hFile, LPVOID lpBuffer,
          DWORD dwNumOfBytesToRead, LPDWORD pdwNumOfBytesRead)
  {
      object_header_t *hdr;
      DWORD res = ERROR_INTERNET_INCORRECT_HANDLE_TYPE;
  
      TRACE("%p %p %d %p\n", hFile, lpBuffer, dwNumOfBytesToRead, pdwNumOfBytesRead);
  
      hdr = get_handle_object(hFile);
      if (!hdr) {
          INTERNET_SetLastError(ERROR_INVALID_HANDLE);
          return FALSE;
      }
  
      if(hdr->vtbl->ReadFile) {
          res = hdr->vtbl->ReadFile(hdr, lpBuffer, dwNumOfBytesToRead, pdwNumOfBytesRead, 0, 0);
          if(res == ERROR_IO_PENDING)
              *pdwNumOfBytesRead = 0;
      }
  
      WININET_Release(hdr);
  
      TRACE("-- %s (%u) (bytes read: %d)\n", res == ERROR_SUCCESS ? "TRUE": "FALSE", res,
            pdwNumOfBytesRead ? *pdwNumOfBytesRead : -1);
  
      SetLastError(res);
      return res == ERROR_SUCCESS;
  }
  
  /***********************************************************************
   *           InternetReadFileExA (WININET.@)
   *
   * Read data from an open internet file
   *
   * PARAMS
   *  hFile         [I] Handle returned by InternetOpenUrl or HttpOpenRequest.
   *  lpBuffersOut  [I/O] Buffer.
   *  dwFlags       [I] Flags. See notes.
   *  dwContext     [I] Context for callbacks.
   *
   * RETURNS
   *    TRUE  on success
   *    FALSE on failure
   *
   * NOTES
   *  The parameter dwFlags include zero or more of the following flags:
   *|IRF_ASYNC - Makes the call asynchronous.
   *|IRF_SYNC - Makes the call synchronous.
   *|IRF_USE_CONTEXT - Forces dwContext to be used.
   *|IRF_NO_WAIT - Don't block if the data is not available, just return what is available.
   *
   * However, in testing IRF_USE_CONTEXT seems to have no effect - dwContext isn't used.
   *
   * SEE
   *  InternetOpenUrlA(), HttpOpenRequestA()
   */
  BOOL WINAPI InternetReadFileExA(HINTERNET hFile, LPINTERNET_BUFFERSA lpBuffersOut,
  	DWORD dwFlags, DWORD_PTR dwContext)
  {
      object_header_t *hdr;
      DWORD res = ERROR_INTERNET_INCORRECT_HANDLE_TYPE;
  
      TRACE("(%p %p 0x%x 0x%lx)\n", hFile, lpBuffersOut, dwFlags, dwContext);
  
      if (lpBuffersOut->dwStructSize != sizeof(*lpBuffersOut)) {
          SetLastError(ERROR_INVALID_PARAMETER);
          return FALSE;
      }
  
      hdr = get_handle_object(hFile);
      if (!hdr) {
          INTERNET_SetLastError(ERROR_INVALID_HANDLE);
          return FALSE;
      }
  
      if(hdr->vtbl->ReadFile)
          res = hdr->vtbl->ReadFile(hdr, lpBuffersOut->lpvBuffer, lpBuffersOut->dwBufferLength,
                  &lpBuffersOut->dwBufferLength, dwFlags, dwContext);
  
      WININET_Release(hdr);
  
      TRACE("-- %s (%u, bytes read: %d)\n", res == ERROR_SUCCESS ? "TRUE": "FALSE",
            res, lpBuffersOut->dwBufferLength);
  
      if(res != ERROR_SUCCESS)
          SetLastError(res);
      return res == ERROR_SUCCESS;
  }
  
  /***********************************************************************
   *           InternetReadFileExW (WININET.@)
   * SEE
   *  InternetReadFileExA()
   */
  BOOL WINAPI InternetReadFileExW(HINTERNET hFile, LPINTERNET_BUFFERSW lpBuffer,
  	DWORD dwFlags, DWORD_PTR dwContext)
  {
      object_header_t *hdr;
      DWORD res = ERROR_INTERNET_INCORRECT_HANDLE_TYPE;
  
      TRACE("(%p %p 0x%x 0x%lx)\n", hFile, lpBuffer, dwFlags, dwContext);
  
      if (!lpBuffer || lpBuffer->dwStructSize != sizeof(*lpBuffer)) {
          SetLastError(ERROR_INVALID_PARAMETER);
          return FALSE;
      }
  
      hdr = get_handle_object(hFile);
      if (!hdr) {
          INTERNET_SetLastError(ERROR_INVALID_HANDLE);
          return FALSE;
      }
  
      if(hdr->vtbl->ReadFile)
          res = hdr->vtbl->ReadFile(hdr, lpBuffer->lpvBuffer, lpBuffer->dwBufferLength, &lpBuffer->dwBufferLength,
                  dwFlags, dwContext);
  
      WININET_Release(hdr);
  
      TRACE("-- %s (%u, bytes read: %d)\n", res == ERROR_SUCCESS ? "TRUE": "FALSE",
            res, lpBuffer->dwBufferLength);
  
      if(res != ERROR_SUCCESS)
          SetLastError(res);
      return res == ERROR_SUCCESS;
  }
  
  static WCHAR *get_proxy_autoconfig_url(void)
  {
  #if defined(MAC_OS_X_VERSION_10_6) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
  
      CFDictionaryRef settings = CFNetworkCopySystemProxySettings();
      WCHAR *ret = NULL;
      SIZE_T len;
      const void *ref;
  
      if (!settings) return NULL;
  
      if (!(ref = CFDictionaryGetValue( settings, kCFNetworkProxiesProxyAutoConfigURLString )))
      {
          CFRelease( settings );
          return NULL;
      }
      len = CFStringGetLength( ref );
      if (len)
          ret = heap_alloc( (len+1) * sizeof(WCHAR) );
      if (ret)
      {
          CFStringGetCharacters( ref, CFRangeMake(0, len), ret );
          ret[len] = 0;
      }
      TRACE( "returning %s\n", debugstr_w(ret) );
      CFRelease( settings );
      return ret;
  #else
      static int once;
      if (!once++) FIXME( "no support on this platform\n" );
      return NULL;
  #endif
  }
  
  static DWORD query_global_option(DWORD option, void *buffer, DWORD *size, BOOL unicode)
  {
      /* FIXME: This function currently handles more options than it should. Options requiring
       * proper handles should be moved to proper functions */
      switch(option) {
      case INTERNET_OPTION_HTTP_VERSION:
          if (*size < sizeof(HTTP_VERSION_INFO))
              return ERROR_INSUFFICIENT_BUFFER;
  
          /*
           * Presently hardcoded to 1.1
           */
          ((HTTP_VERSION_INFO*)buffer)->dwMajorVersion = 1;
          ((HTTP_VERSION_INFO*)buffer)->dwMinorVersion = 1;
          *size = sizeof(HTTP_VERSION_INFO);
  
          return ERROR_SUCCESS;
  
      case INTERNET_OPTION_CONNECTED_STATE:
          FIXME("INTERNET_OPTION_CONNECTED_STATE: semi-stub\n");
  
          if (*size < sizeof(ULONG))
              return ERROR_INSUFFICIENT_BUFFER;
  
          *(ULONG*)buffer = INTERNET_STATE_CONNECTED;
          *size = sizeof(ULONG);
  
          return ERROR_SUCCESS;
  
      case INTERNET_OPTION_PROXY: {
          appinfo_t ai;
          BOOL ret;
  
          TRACE("Getting global proxy info\n");
          memset(&ai, 0, sizeof(appinfo_t));
          INTERNET_ConfigureProxy(&ai);
  
          ret = APPINFO_QueryOption(&ai.hdr, INTERNET_OPTION_PROXY, buffer, size, unicode); /* FIXME */
          APPINFO_Destroy(&ai.hdr);
          return ret;
      }
  
      case INTERNET_OPTION_MAX_CONNS_PER_SERVER:
          TRACE("INTERNET_OPTION_MAX_CONNS_PER_SERVER\n");
  
          if (*size < sizeof(ULONG))
              return ERROR_INSUFFICIENT_BUFFER;
  
          *(ULONG*)buffer = max_conns;
          *size = sizeof(ULONG);
  
          return ERROR_SUCCESS;
  
      case INTERNET_OPTION_MAX_CONNS_PER_1_0_SERVER:
              TRACE("INTERNET_OPTION_MAX_CONNS_1_0_SERVER\n");
  
              if (*size < sizeof(ULONG))
                  return ERROR_INSUFFICIENT_BUFFER;
  
              *(ULONG*)buffer = max_1_0_conns;
              *size = sizeof(ULONG);
  
              return ERROR_SUCCESS;
  
      case INTERNET_OPTION_SECURITY_FLAGS:
          FIXME("INTERNET_OPTION_SECURITY_FLAGS: Stub\n");
          return ERROR_SUCCESS;
  
      case INTERNET_OPTION_VERSION: {
          static const INTERNET_VERSION_INFO info = { 1, 2 };
  
          TRACE("INTERNET_OPTION_VERSION\n");
  
          if (*size < sizeof(INTERNET_VERSION_INFO))
              return ERROR_INSUFFICIENT_BUFFER;
  
          memcpy(buffer, &info, sizeof(info));
          *size = sizeof(info);
  
          return ERROR_SUCCESS;
      }
  
      case INTERNET_OPTION_PER_CONNECTION_OPTION: {
          WCHAR *url;
          INTERNET_PER_CONN_OPTION_LISTW *con = buffer;
          INTERNET_PER_CONN_OPTION_LISTA *conA = buffer;
          DWORD res = ERROR_SUCCESS, i;
          proxyinfo_t pi;
          LONG ret;
  
          TRACE("Getting global proxy info\n");
          if((ret = INTERNET_LoadProxySettings(&pi)))
              return ret;
  
          FIXME("INTERNET_OPTION_PER_CONNECTION_OPTION stub\n");
  
          if (*size < sizeof(INTERNET_PER_CONN_OPTION_LISTW)) {
              FreeProxyInfo(&pi);
              return ERROR_INSUFFICIENT_BUFFER;
          }
  
          url = get_proxy_autoconfig_url();
  
          for (i = 0; i < con->dwOptionCount; i++) {
              INTERNET_PER_CONN_OPTIONW *optionW = con->pOptions + i;
              INTERNET_PER_CONN_OPTIONA *optionA = conA->pOptions + i;
  
              switch (optionW->dwOption) {
              case INTERNET_PER_CONN_FLAGS:
                  if(pi.proxyEnabled)
                      optionW->Value.dwValue = PROXY_TYPE_PROXY;
                  else
                      optionW->Value.dwValue = PROXY_TYPE_DIRECT;
                  if (url)
                      /* native includes PROXY_TYPE_DIRECT even if PROXY_TYPE_PROXY is set */
                      optionW->Value.dwValue |= PROXY_TYPE_DIRECT|PROXY_TYPE_AUTO_PROXY_URL;
                  break;
  
              case INTERNET_PER_CONN_PROXY_SERVER:
                  if (unicode)
                      optionW->Value.pszValue = heap_strdupW(pi.proxy);
                  else
                      optionA->Value.pszValue = heap_strdupWtoA(pi.proxy);
                  break;
  
              case INTERNET_PER_CONN_PROXY_BYPASS:
                  if (unicode)
                      optionW->Value.pszValue = heap_strdupW(pi.proxyBypass);
                  else
                      optionA->Value.pszValue = heap_strdupWtoA(pi.proxyBypass);
                  break;
  
              case INTERNET_PER_CONN_AUTOCONFIG_URL:
                  if (!url)
                      optionW->Value.pszValue = NULL;
                  else if (unicode)
                      optionW->Value.pszValue = heap_strdupW(url);
                  else
                      optionA->Value.pszValue = heap_strdupWtoA(url);
                  break;
  
              case INTERNET_PER_CONN_AUTODISCOVERY_FLAGS:
                  optionW->Value.dwValue = AUTO_PROXY_FLAG_ALWAYS_DETECT;
                  break;
  
              case INTERNET_PER_CONN_AUTOCONFIG_SECONDARY_URL:
              case INTERNET_PER_CONN_AUTOCONFIG_RELOAD_DELAY_MINS:
              case INTERNET_PER_CONN_AUTOCONFIG_LAST_DETECT_TIME:
              case INTERNET_PER_CONN_AUTOCONFIG_LAST_DETECT_URL:
                  FIXME("Unhandled dwOption %d\n", optionW->dwOption);
                  memset(&optionW->Value, 0, sizeof(optionW->Value));
                  break;
  
              default:
                  FIXME("Unknown dwOption %d\n", optionW->dwOption);
                  res = ERROR_INVALID_PARAMETER;
                  break;
              }
          }
          heap_free(url);
          FreeProxyInfo(&pi);
  
          return res;
      }
      case INTERNET_OPTION_REQUEST_FLAGS:
      case INTERNET_OPTION_USER_AGENT:
          *size = 0;
          return ERROR_INTERNET_INCORRECT_HANDLE_TYPE;
      case INTERNET_OPTION_POLICY:
          return ERROR_INVALID_PARAMETER;
      case INTERNET_OPTION_CONNECT_TIMEOUT:
          TRACE("INTERNET_OPTION_CONNECT_TIMEOUT\n");
  
          if (*size < sizeof(ULONG))
              return ERROR_INSUFFICIENT_BUFFER;
  
          *(ULONG*)buffer = connect_timeout;
          *size = sizeof(ULONG);
  
          return ERROR_SUCCESS;
      }
  
      FIXME("Stub for %d\n", option);
      return ERROR_INTERNET_INCORRECT_HANDLE_TYPE;
  }
  
  DWORD INET_QueryOption(object_header_t *hdr, DWORD option, void *buffer, DWORD *size, BOOL unicode)
  {
      switch(option) {
      case INTERNET_OPTION_CONTEXT_VALUE:
          if (!size)
              return ERROR_INVALID_PARAMETER;
  
          if (*size < sizeof(DWORD_PTR)) {
              *size = sizeof(DWORD_PTR);
              return ERROR_INSUFFICIENT_BUFFER;
          }
          if (!buffer)
              return ERROR_INVALID_PARAMETER;
  
          *(DWORD_PTR *)buffer = hdr->dwContext;
          *size = sizeof(DWORD_PTR);
          return ERROR_SUCCESS;
  
      case INTERNET_OPTION_REQUEST_FLAGS:
          WARN("INTERNET_OPTION_REQUEST_FLAGS\n");
          *size = sizeof(DWORD);
          return ERROR_INTERNET_INCORRECT_HANDLE_TYPE;
  
      case INTERNET_OPTION_MAX_CONNS_PER_SERVER:
      case INTERNET_OPTION_MAX_CONNS_PER_1_0_SERVER:
          WARN("Called on global option %u\n", option);
          return ERROR_INTERNET_INVALID_OPERATION;
      }
  
      /* FIXME: we shouldn't call it here */
      return query_global_option(option, buffer, size, unicode);
  }
  
  /***********************************************************************
   *           InternetQueryOptionW (WININET.@)
   *
   * Queries an options on the specified handle
   *
   * RETURNS
   *    TRUE  on success
   *    FALSE on failure
   *
   */
  BOOL WINAPI InternetQueryOptionW(HINTERNET hInternet, DWORD dwOption,
                                   LPVOID lpBuffer, LPDWORD lpdwBufferLength)
  {
      object_header_t *hdr;
      DWORD res = ERROR_INVALID_HANDLE;
  
      TRACE("%p %d %p %p\n", hInternet, dwOption, lpBuffer, lpdwBufferLength);
  
      if(hInternet) {
          hdr = get_handle_object(hInternet);
          if (hdr) {
              res = hdr->vtbl->QueryOption(hdr, dwOption, lpBuffer, lpdwBufferLength, TRUE);
              WININET_Release(hdr);
          }
      }else {
          res = query_global_option(dwOption, lpBuffer, lpdwBufferLength, TRUE);
      }
  
      if(res != ERROR_SUCCESS)
          SetLastError(res);
      return res == ERROR_SUCCESS;
  }
  
  /***********************************************************************
   *           InternetQueryOptionA (WININET.@)
   *
   * Queries an options on the specified handle
   *
   * RETURNS
   *    TRUE  on success
   *    FALSE on failure
   *
   */
  BOOL WINAPI InternetQueryOptionA(HINTERNET hInternet, DWORD dwOption,
                                   LPVOID lpBuffer, LPDWORD lpdwBufferLength)
  {
      object_header_t *hdr;
      DWORD res = ERROR_INVALID_HANDLE;
  
      TRACE("%p %d %p %p\n", hInternet, dwOption, lpBuffer, lpdwBufferLength);
  
      if(hInternet) {
          hdr = get_handle_object(hInternet);
          if (hdr) {
              res = hdr->vtbl->QueryOption(hdr, dwOption, lpBuffer, lpdwBufferLength, FALSE);
              WININET_Release(hdr);
          }
      }else {
          res = query_global_option(dwOption, lpBuffer, lpdwBufferLength, FALSE);
      }
  
      if(res != ERROR_SUCCESS)
          SetLastError(res);
      return res == ERROR_SUCCESS;
  }
  
  DWORD INET_SetOption(object_header_t *hdr, DWORD option, void *buf, DWORD size)
  {
      switch(option) {
      case INTERNET_OPTION_SETTINGS_CHANGED:
          FIXME("INTERNETOPTION_SETTINGS_CHANGED semi-stub\n");
          collect_connections(COLLECT_CONNECTIONS);
          return ERROR_SUCCESS;
      case INTERNET_OPTION_CALLBACK:
          WARN("Not settable option %u\n", option);
          return ERROR_INTERNET_OPTION_NOT_SETTABLE;
      case INTERNET_OPTION_MAX_CONNS_PER_SERVER:
      case INTERNET_OPTION_MAX_CONNS_PER_1_0_SERVER:
          WARN("Called on global option %u\n", option);
          return ERROR_INTERNET_INVALID_OPERATION;
      case INTERNET_OPTION_REFRESH:
          return ERROR_INTERNET_INCORRECT_HANDLE_TYPE;
      }
  
      return ERROR_INTERNET_INVALID_OPTION;
  }
  
  static DWORD set_global_option(DWORD option, void *buf, DWORD size)
  {
      switch(option) {
      case INTERNET_OPTION_CALLBACK:
          WARN("Not global option %u\n", option);
          return ERROR_INTERNET_INCORRECT_HANDLE_TYPE;
  
      case INTERNET_OPTION_MAX_CONNS_PER_SERVER:
          TRACE("INTERNET_OPTION_MAX_CONNS_PER_SERVER\n");
  
          if(size != sizeof(max_conns))
              return ERROR_INTERNET_BAD_OPTION_LENGTH;
          if(!*(ULONG*)buf)
              return ERROR_BAD_ARGUMENTS;
  
          max_conns = *(ULONG*)buf;
          return ERROR_SUCCESS;
  
      case INTERNET_OPTION_MAX_CONNS_PER_1_0_SERVER:
          TRACE("INTERNET_OPTION_MAX_CONNS_PER_1_0_SERVER\n");
  
          if(size != sizeof(max_1_0_conns))
              return ERROR_INTERNET_BAD_OPTION_LENGTH;
          if(!*(ULONG*)buf)
              return ERROR_BAD_ARGUMENTS;
  
          max_1_0_conns = *(ULONG*)buf;
          return ERROR_SUCCESS;
  
      case INTERNET_OPTION_CONNECT_TIMEOUT:
          TRACE("INTERNET_OPTION_CONNECT_TIMEOUT\n");
  
          if(size != sizeof(connect_timeout))
              return ERROR_INTERNET_BAD_OPTION_LENGTH;
          if(!*(ULONG*)buf)
              return ERROR_BAD_ARGUMENTS;
  
          connect_timeout = *(ULONG*)buf;
          return ERROR_SUCCESS;
  
      case INTERNET_OPTION_SUPPRESS_BEHAVIOR:
          FIXME("INTERNET_OPTION_SUPPRESS_BEHAVIOR stub\n");
  
          if(size != sizeof(ULONG))
              return ERROR_INTERNET_BAD_OPTION_LENGTH;
  
          FIXME("%08x\n", *(ULONG*)buf);
          return ERROR_SUCCESS;
      }
  
      return INET_SetOption(NULL, option, buf, size);
  }
  
  /***********************************************************************
   *           InternetSetOptionW (WININET.@)
   *
   * Sets an options on the specified handle
   *
   * RETURNS
   *    TRUE  on success
   *    FALSE on failure
   *
   */
  BOOL WINAPI InternetSetOptionW(HINTERNET hInternet, DWORD dwOption,
                             LPVOID lpBuffer, DWORD dwBufferLength)
  {
      object_header_t *lpwhh;
      BOOL ret = TRUE;
      DWORD res;
  
      TRACE("(%p %d %p %d)\n", hInternet, dwOption, lpBuffer, dwBufferLength);
  
      lpwhh = (object_header_t*) get_handle_object( hInternet );
      if(lpwhh)
          res = lpwhh->vtbl->SetOption(lpwhh, dwOption, lpBuffer, dwBufferLength);
      else
          res = set_global_option(dwOption, lpBuffer, dwBufferLength);
  
      if(res != ERROR_INTERNET_INVALID_OPTION) {
          if(lpwhh)
              WININET_Release(lpwhh);
  
          if(res != ERROR_SUCCESS)
              SetLastError(res);
  
          return res == ERROR_SUCCESS;
      }
  
      switch (dwOption)
      {
      case INTERNET_OPTION_HTTP_VERSION:
        {
          HTTP_VERSION_INFO* pVersion=(HTTP_VERSION_INFO*)lpBuffer;
          FIXME("Option INTERNET_OPTION_HTTP_VERSION(%d,%d): STUB\n",pVersion->dwMajorVersion,pVersion->dwMinorVersion);
        }
        break;
      case INTERNET_OPTION_ERROR_MASK:
        {
          if(!lpwhh) {
              SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
              return FALSE;
          } else if(*(ULONG*)lpBuffer & (~(INTERNET_ERROR_MASK_INSERT_CDROM|
                          INTERNET_ERROR_MASK_COMBINED_SEC_CERT|
                          INTERNET_ERROR_MASK_LOGIN_FAILURE_DISPLAY_ENTITY_BODY))) {
              SetLastError(ERROR_INVALID_PARAMETER);
              ret = FALSE;
          } else if(dwBufferLength != sizeof(ULONG)) {
              SetLastError(ERROR_INTERNET_BAD_OPTION_LENGTH);
              ret = FALSE;
          } else
              TRACE("INTERNET_OPTION_ERROR_MASK: %x\n", *(ULONG*)lpBuffer);
              lpwhh->ErrorMask = *(ULONG*)lpBuffer;
        }
        break;
      case INTERNET_OPTION_PROXY:
      {
          INTERNET_PROXY_INFOW *info = lpBuffer;
  
          if (!lpBuffer || dwBufferLength < sizeof(INTERNET_PROXY_INFOW))
          {
              SetLastError(ERROR_INVALID_PARAMETER);
              return FALSE;
          }
          if (!hInternet)
          {
              EnterCriticalSection( &WININET_cs );
              free_global_proxy();
              global_proxy = heap_alloc( sizeof(proxyinfo_t) );
              if (global_proxy)
              {
                  if (info->dwAccessType == INTERNET_OPEN_TYPE_PROXY)
                  {
                      global_proxy->proxyEnabled = 1;
                      global_proxy->proxy = heap_strdupW( info->lpszProxy );
                      global_proxy->proxyBypass = heap_strdupW( info->lpszProxyBypass );
                  }
                  else
                  {
                      global_proxy->proxyEnabled = 0;
                      global_proxy->proxy = global_proxy->proxyBypass = NULL;
                  }
              }
              LeaveCriticalSection( &WININET_cs );
          }
          else
          {
              /* In general, each type of object should handle
               * INTERNET_OPTION_PROXY directly.  This FIXME ensures it doesn't
               * get silently dropped.
               */
              FIXME("INTERNET_OPTION_PROXY unimplemented\n");
              SetLastError(ERROR_INTERNET_INVALID_OPTION);
              ret = FALSE;
          }
          break;
      }
      case INTERNET_OPTION_CODEPAGE:
        {
          ULONG codepage = *(ULONG *)lpBuffer;
          FIXME("Option INTERNET_OPTION_CODEPAGE (%d): STUB\n", codepage);
        }
        break;
      case INTERNET_OPTION_REQUEST_PRIORITY:
        {
          ULONG priority = *(ULONG *)lpBuffer;
          FIXME("Option INTERNET_OPTION_REQUEST_PRIORITY (%d): STUB\n", priority);
        }
        break;
      case INTERNET_OPTION_CONNECT_TIMEOUT:
        {
          ULONG connecttimeout = *(ULONG *)lpBuffer;
          FIXME("Option INTERNET_OPTION_CONNECT_TIMEOUT (%d): STUB\n", connecttimeout);
        }
        break;
      case INTERNET_OPTION_DATA_RECEIVE_TIMEOUT:
        {
          ULONG receivetimeout = *(ULONG *)lpBuffer;
          FIXME("Option INTERNET_OPTION_DATA_RECEIVE_TIMEOUT (%d): STUB\n", receivetimeout);
        }
        break;
      case INTERNET_OPTION_RESET_URLCACHE_SESSION:
          FIXME("Option INTERNET_OPTION_RESET_URLCACHE_SESSION: STUB\n");
          break;
      case INTERNET_OPTION_END_BROWSER_SESSION:
          FIXME("Option INTERNET_OPTION_END_BROWSER_SESSION: semi-stub\n");
          free_cookie();
          break;
      case INTERNET_OPTION_CONNECTED_STATE:
          FIXME("Option INTERNET_OPTION_CONNECTED_STATE: STUB\n");
          break;
      case INTERNET_OPTION_DISABLE_PASSPORT_AUTH:
  	TRACE("Option INTERNET_OPTION_DISABLE_PASSPORT_AUTH: harmless stub, since not enabled\n");
  	break;
      case INTERNET_OPTION_SEND_TIMEOUT:
      case INTERNET_OPTION_RECEIVE_TIMEOUT:
      case INTERNET_OPTION_DATA_SEND_TIMEOUT:
      {
          ULONG timeout = *(ULONG *)lpBuffer;
          FIXME("INTERNET_OPTION_SEND/RECEIVE_TIMEOUT/DATA_SEND_TIMEOUT %d\n", timeout);
          break;
      }
      case INTERNET_OPTION_CONNECT_RETRIES:
      {
          ULONG retries = *(ULONG *)lpBuffer;
          FIXME("INTERNET_OPTION_CONNECT_RETRIES %d\n", retries);
          break;
      }
      case INTERNET_OPTION_CONTEXT_VALUE:
      {
          if (!lpwhh)
          {
              SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
              return FALSE;
          }
          if (!lpBuffer || dwBufferLength != sizeof(DWORD_PTR))
          {
              SetLastError(ERROR_INVALID_PARAMETER);
              ret = FALSE;
          }
          else
              lpwhh->dwContext = *(DWORD_PTR *)lpBuffer;
          break;
      }
      case INTERNET_OPTION_SECURITY_FLAGS:
  	 FIXME("Option INTERNET_OPTION_SECURITY_FLAGS; STUB\n");
  	 break;
      case INTERNET_OPTION_DISABLE_AUTODIAL:
  	 FIXME("Option INTERNET_OPTION_DISABLE_AUTODIAL; STUB\n");
  	 break;
      case INTERNET_OPTION_HTTP_DECODING:
          if (!lpwhh)
          {
              SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
              return FALSE;
          }
          if (!lpBuffer || dwBufferLength != sizeof(BOOL))
          {
              SetLastError(ERROR_INVALID_PARAMETER);
              ret = FALSE;
          }
          else
              lpwhh->decoding = *(BOOL *)lpBuffer;
          break;
      case INTERNET_OPTION_COOKIES_3RD_PARTY:
          FIXME("INTERNET_OPTION_COOKIES_3RD_PARTY; STUB\n");
          SetLastError(ERROR_INTERNET_INVALID_OPTION);
          ret = FALSE;
          break;
      case INTERNET_OPTION_SEND_UTF8_SERVERNAME_TO_PROXY:
          FIXME("INTERNET_OPTION_SEND_UTF8_SERVERNAME_TO_PROXY; STUB\n");
          SetLastError(ERROR_INTERNET_INVALID_OPTION);
          ret = FALSE;
          break;
      case INTERNET_OPTION_CODEPAGE_PATH:
          FIXME("INTERNET_OPTION_CODEPAGE_PATH; STUB\n");
          SetLastError(ERROR_INTERNET_INVALID_OPTION);
          ret = FALSE;
          break;
      case INTERNET_OPTION_CODEPAGE_EXTRA:
          FIXME("INTERNET_OPTION_CODEPAGE_EXTRA; STUB\n");
          SetLastError(ERROR_INTERNET_INVALID_OPTION);
          ret = FALSE;
          break;
      case INTERNET_OPTION_IDN:
          FIXME("INTERNET_OPTION_IDN; STUB\n");
          SetLastError(ERROR_INTERNET_INVALID_OPTION);
          ret = FALSE;
          break;
      case INTERNET_OPTION_POLICY:
          SetLastError(ERROR_INVALID_PARAMETER);
          ret = FALSE;
          break;
      case INTERNET_OPTION_PER_CONNECTION_OPTION: {
          INTERNET_PER_CONN_OPTION_LISTW *con = lpBuffer;
          LONG res;
          unsigned int i;
          proxyinfo_t pi;
  
          if (INTERNET_LoadProxySettings(&pi)) return FALSE;
  
          for (i = 0; i < con->dwOptionCount; i++) {
              INTERNET_PER_CONN_OPTIONW *option = con->pOptions + i;
  
              switch (option->dwOption) {
              case INTERNET_PER_CONN_PROXY_SERVER:
                  heap_free(pi.proxy);
                  pi.proxy = heap_strdupW(option->Value.pszValue);
                  break;
  
              case INTERNET_PER_CONN_FLAGS:
                  if(option->Value.dwValue & PROXY_TYPE_PROXY)
                      pi.proxyEnabled = 1;
                  else
                  {
                      if(option->Value.dwValue != PROXY_TYPE_DIRECT)
                          FIXME("Unhandled flags: 0x%x\n", option->Value.dwValue);
                      pi.proxyEnabled = 0;
                  }
                  break;
  
              case INTERNET_PER_CONN_PROXY_BYPASS:
                  heap_free(pi.proxyBypass);
                  pi.proxyBypass = heap_strdupW(option->Value.pszValue);
                  break;
  
              case INTERNET_PER_CONN_AUTOCONFIG_URL:
              case INTERNET_PER_CONN_AUTODISCOVERY_FLAGS:
              case INTERNET_PER_CONN_AUTOCONFIG_SECONDARY_URL:
              case INTERNET_PER_CONN_AUTOCONFIG_RELOAD_DELAY_MINS:
              case INTERNET_PER_CONN_AUTOCONFIG_LAST_DETECT_TIME:
              case INTERNET_PER_CONN_AUTOCONFIG_LAST_DETECT_URL:
                  FIXME("Unhandled dwOption %d\n", option->dwOption);
                  break;
  
              default:
                  FIXME("Unknown dwOption %d\n", option->dwOption);
                  SetLastError(ERROR_INVALID_PARAMETER);
                  break;
              }
          }
  
          if ((res = INTERNET_SaveProxySettings(&pi)))
              SetLastError(res);
  
          FreeProxyInfo(&pi);
  
          ret = (res == ERROR_SUCCESS);
          break;
          }
      default:
          FIXME("Option %d STUB\n",dwOption);
          SetLastError(ERROR_INTERNET_INVALID_OPTION);
          ret = FALSE;
          break;
      }
  
      if(lpwhh)
          WININET_Release( lpwhh );
  
      return ret;
  }
  
  
  /***********************************************************************
   *           InternetSetOptionA (WININET.@)
   *
   * Sets an options on the specified handle.
   *
   * RETURNS
   *    TRUE  on success
   *    FALSE on failure
   *
   */
  BOOL WINAPI InternetSetOptionA(HINTERNET hInternet, DWORD dwOption,
                             LPVOID lpBuffer, DWORD dwBufferLength)
  {
      LPVOID wbuffer;
      DWORD wlen;
      BOOL r;
  
      switch( dwOption )
      {
      case INTERNET_OPTION_PROXY:
          {
          LPINTERNET_PROXY_INFOA pi = (LPINTERNET_PROXY_INFOA) lpBuffer;
          LPINTERNET_PROXY_INFOW piw;
          DWORD proxlen, prbylen;
          LPWSTR prox, prby;
  
          proxlen = MultiByteToWideChar( CP_ACP, 0, pi->lpszProxy, -1, NULL, 0);
          prbylen= MultiByteToWideChar( CP_ACP, 0, pi->lpszProxyBypass, -1, NULL, 0);
          wlen = sizeof(*piw) + proxlen + prbylen;
          wbuffer = heap_alloc(wlen*sizeof(WCHAR) );
          piw = (LPINTERNET_PROXY_INFOW) wbuffer;
          piw->dwAccessType = pi->dwAccessType;
          prox = (LPWSTR) &piw[1];
          prby = &prox[proxlen+1];
          MultiByteToWideChar( CP_ACP, 0, pi->lpszProxy, -1, prox, proxlen);
          MultiByteToWideChar( CP_ACP, 0, pi->lpszProxyBypass, -1, prby, prbylen);
          piw->lpszProxy = prox;
          piw->lpszProxyBypass = prby;
          }
          break;
      case INTERNET_OPTION_USER_AGENT:
      case INTERNET_OPTION_USERNAME:
      case INTERNET_OPTION_PASSWORD:
      case INTERNET_OPTION_PROXY_USERNAME:
      case INTERNET_OPTION_PROXY_PASSWORD:
          wlen = MultiByteToWideChar( CP_ACP, 0, lpBuffer, -1, NULL, 0 );
          if (!(wbuffer = heap_alloc( wlen * sizeof(WCHAR) ))) return ERROR_OUTOFMEMORY;
          MultiByteToWideChar( CP_ACP, 0, lpBuffer, -1, wbuffer, wlen );
          break;
      case INTERNET_OPTION_PER_CONNECTION_OPTION: {
          unsigned int i;
          INTERNET_PER_CONN_OPTION_LISTW *listW;
          INTERNET_PER_CONN_OPTION_LISTA *listA = lpBuffer;
          wlen = sizeof(INTERNET_PER_CONN_OPTION_LISTW);
          wbuffer = heap_alloc(wlen);
          listW = wbuffer;
  
          listW->dwSize = sizeof(INTERNET_PER_CONN_OPTION_LISTW);
          if (listA->pszConnection)
          {
              wlen = MultiByteToWideChar( CP_ACP, 0, listA->pszConnection, -1, NULL, 0 );
              listW->pszConnection = heap_alloc(wlen*sizeof(WCHAR));
              MultiByteToWideChar( CP_ACP, 0, listA->pszConnection, -1, listW->pszConnection, wlen );
          }
          else
              listW->pszConnection = NULL;
          listW->dwOptionCount = listA->dwOptionCount;
          listW->dwOptionError = listA->dwOptionError;
          listW->pOptions = heap_alloc(sizeof(INTERNET_PER_CONN_OPTIONW) * listA->dwOptionCount);
  
          for (i = 0; i < listA->dwOptionCount; ++i) {
              INTERNET_PER_CONN_OPTIONA *optA = listA->pOptions + i;
              INTERNET_PER_CONN_OPTIONW *optW = listW->pOptions + i;
  
              optW->dwOption = optA->dwOption;
  
              switch (optA->dwOption) {
              case INTERNET_PER_CONN_AUTOCONFIG_URL:
              case INTERNET_PER_CONN_PROXY_BYPASS:
              case INTERNET_PER_CONN_PROXY_SERVER:
              case INTERNET_PER_CONN_AUTOCONFIG_SECONDARY_URL:
              case INTERNET_PER_CONN_AUTOCONFIG_LAST_DETECT_URL:
                  if (optA->Value.pszValue)
                  {
                      wlen = MultiByteToWideChar( CP_ACP, 0, optA->Value.pszValue, -1, NULL, 0 );
                      optW->Value.pszValue = heap_alloc(wlen*sizeof(WCHAR));
                      MultiByteToWideChar( CP_ACP, 0, optA->Value.pszValue, -1, optW->Value.pszValue, wlen );
                  }
                  else
                      optW->Value.pszValue = NULL;
                  break;
              case INTERNET_PER_CONN_AUTODISCOVERY_FLAGS:
              case INTERNET_PER_CONN_FLAGS:
              case INTERNET_PER_CONN_AUTOCONFIG_RELOAD_DELAY_MINS:
                  optW->Value.dwValue = optA->Value.dwValue;
                  break;
              case INTERNET_PER_CONN_AUTOCONFIG_LAST_DETECT_TIME:
                  optW->Value.ftValue = optA->Value.ftValue;
                  break;
              default:
                  WARN("Unknown PER_CONN dwOption: %d, guessing at conversion to Wide\n", optA->dwOption);
                  optW->Value.dwValue = optA->Value.dwValue;
                  break;
              }
          }
          }
          break;
      default:
          wbuffer = lpBuffer;
          wlen = dwBufferLength;
      }
  
      r = InternetSetOptionW(hInternet,dwOption, wbuffer, wlen);
  
      if( lpBuffer != wbuffer )
      {
          if (dwOption == INTERNET_OPTION_PER_CONNECTION_OPTION)
          {
              INTERNET_PER_CONN_OPTION_LISTW *list = wbuffer;
              unsigned int i;
              for (i = 0; i < list->dwOptionCount; ++i) {
                  INTERNET_PER_CONN_OPTIONW *opt = list->pOptions + i;
                  switch (opt->dwOption) {
                  case INTERNET_PER_CONN_AUTOCONFIG_URL:
                  case INTERNET_PER_CONN_PROXY_BYPASS:
                  case INTERNET_PER_CONN_PROXY_SERVER:
                  case INTERNET_PER_CONN_AUTOCONFIG_SECONDARY_URL:
                  case INTERNET_PER_CONN_AUTOCONFIG_LAST_DETECT_URL:
                      heap_free( opt->Value.pszValue );
                      break;
                  default:
                      break;
                  }
              }
              heap_free( list->pOptions );
          }
          heap_free( wbuffer );
      }
  
      return r;
  }
  
  
  /***********************************************************************
   *           InternetSetOptionExA (WININET.@)
   */
  BOOL WINAPI InternetSetOptionExA(HINTERNET hInternet, DWORD dwOption,
                             LPVOID lpBuffer, DWORD dwBufferLength, DWORD dwFlags)
  {
      FIXME("Flags %08x ignored\n", dwFlags);
      return InternetSetOptionA( hInternet, dwOption, lpBuffer, dwBufferLength );
  }
  
  /***********************************************************************
   *           InternetSetOptionExW (WININET.@)
   */
  BOOL WINAPI InternetSetOptionExW(HINTERNET hInternet, DWORD dwOption,
                             LPVOID lpBuffer, DWORD dwBufferLength, DWORD dwFlags)
  {
      FIXME("Flags %08x ignored\n", dwFlags);
      if( dwFlags & ~ISO_VALID_FLAGS )
      {
          SetLastError( ERROR_INVALID_PARAMETER );
          return FALSE;
      }
      return InternetSetOptionW( hInternet, dwOption, lpBuffer, dwBufferLength );
  }
  
  static const WCHAR WININET_wkday[7][4] =
      { { 'S','u','n', 0 }, { 'M','o','n', 0 }, { 'T','u','e', 0 }, { 'W','e','d', 0 },
        { 'T','h','u', 0 }, { 'F','r','i', 0 }, { 'S','a','t', 0 } };
  static const WCHAR WININET_month[12][4] =
      { { 'J','a','n', 0 }, { 'F','e','b', 0 }, { 'M','a','r', 0 }, { 'A','p','r', 0 },
        { 'M','a','y', 0 }, { 'J','u','n', 0 }, { 'J','u','l', 0 }, { 'A','u','g', 0 },
        { 'S','e','p', 0 }, { 'O','c','t', 0 }, { 'N','o','v', 0 }, { 'D','e','c', 0 } };
  
  /***********************************************************************
   *           InternetTimeFromSystemTimeA (WININET.@)
   */
  BOOL WINAPI InternetTimeFromSystemTimeA( const SYSTEMTIME* time, DWORD format, LPSTR string, DWORD size )
  {
      BOOL ret;
      WCHAR stringW[INTERNET_RFC1123_BUFSIZE];
  
      TRACE( "%p 0x%08x %p 0x%08x\n", time, format, string, size );
  
      if (!time || !string || format != INTERNET_RFC1123_FORMAT)
      {
          SetLastError(ERROR_INVALID_PARAMETER);
          return FALSE;
      }
  
      if (size < INTERNET_RFC1123_BUFSIZE * sizeof(*string))
      {
          SetLastError(ERROR_INSUFFICIENT_BUFFER);
          return FALSE;
      }
  
      ret = InternetTimeFromSystemTimeW( time, format, stringW, sizeof(stringW) );
      if (ret) WideCharToMultiByte( CP_ACP, 0, stringW, -1, string, size, NULL, NULL );
  
      return ret;
  }
  
  /***********************************************************************
   *           InternetTimeFromSystemTimeW (WININET.@)
   */
  BOOL WINAPI InternetTimeFromSystemTimeW( const SYSTEMTIME* time, DWORD format, LPWSTR string, DWORD size )
  {
      static const WCHAR date[] =
          { '%','s',',',' ','%','0','2','d',' ','%','s',' ','%','4','d',' ','%','0',
            '2','d',':','%','0','2','d',':','%','0','2','d',' ','G','M','T', 0 };
  
      TRACE( "%p 0x%08x %p 0x%08x\n", time, format, string, size );
  
      if (!time || !string || format != INTERNET_RFC1123_FORMAT)
      {
          SetLastError(ERROR_INVALID_PARAMETER);
          return FALSE;
      }
  
      if (size < INTERNET_RFC1123_BUFSIZE * sizeof(*string))
      {
          SetLastError(ERROR_INSUFFICIENT_BUFFER);
          return FALSE;
      }
  
      sprintfW( string, date,
                WININET_wkday[time->wDayOfWeek],
                time->wDay,
                WININET_month[time->wMonth - 1],
                time->wYear,
                time->wHour,
                time->wMinute,
                time->wSecond );
  
      return TRUE;
  }
  
  /***********************************************************************
   *           InternetTimeToSystemTimeA (WININET.@)
   */
  BOOL WINAPI InternetTimeToSystemTimeA( LPCSTR string, SYSTEMTIME* time, DWORD reserved )
  {
      BOOL ret = FALSE;
      WCHAR *stringW;
  
      TRACE( "%s %p 0x%08x\n", debugstr_a(string), time, reserved );
  
      stringW = heap_strdupAtoW(string);
      if (stringW)
      {
          ret = InternetTimeToSystemTimeW( stringW, time, reserved );
          heap_free( stringW );
      }
      return ret;
  }
  
  /***********************************************************************
   *           InternetTimeToSystemTimeW (WININET.@)
   */
  BOOL WINAPI InternetTimeToSystemTimeW( LPCWSTR string, SYSTEMTIME* time, DWORD reserved )
  {
      unsigned int i;
      const WCHAR *s = string;
      WCHAR       *end;
  
      TRACE( "%s %p 0x%08x\n", debugstr_w(string), time, reserved );
  
      if (!string || !time) return FALSE;
  
      /* Windows does this too */
      GetSystemTime( time );
  
      /*  Convert an RFC1123 time such as 'Fri, 07 Jan 2005 12:06:35 GMT' into
       *  a SYSTEMTIME structure.
       */
  
      while (*s && !isalphaW( *s )) s++;
      if (s[0] == '\0' || s[1] == '\0' || s[2] == '\0') return TRUE;
      time->wDayOfWeek = 7;
  
      for (i = 0; i < 7; i++)
      {
          if (toupperW( WININET_wkday[i][0] ) == toupperW( s[0] ) &&
              toupperW( WININET_wkday[i][1] ) == toupperW( s[1] ) &&
              toupperW( WININET_wkday[i][2] ) == toupperW( s[2] ) )
          {
              time->wDayOfWeek = i;
              break;
          }
      }
  
      if (time->wDayOfWeek > 6) return TRUE;
      while (*s && !isdigitW( *s )) s++;
      time->wDay = strtolW( s, &end, 10 );
      s = end;
  
      while (*s && !isalphaW( *s )) s++;
      if (s[0] == '\0' || s[1] == '\0' || s[2] == '\0') return TRUE;
      time->wMonth = 0;
  
      for (i = 0; i < 12; i++)
      {
          if (toupperW( WININET_month[i][0]) == toupperW( s[0] ) &&
              toupperW( WININET_month[i][1]) == toupperW( s[1] ) &&
              toupperW( WININET_month[i][2]) == toupperW( s[2] ) )
          {
              time->wMonth = i + 1;
              break;
          }
      }
      if (time->wMonth == 0) return TRUE;
  
      while (*s && !isdigitW( *s )) s++;
      if (*s == '\0') return TRUE;
      time->wYear = strtolW( s, &end, 10 );
      s = end;
  
      while (*s && !isdigitW( *s )) s++;
      if (*s == '\0') return TRUE;
      time->wHour = strtolW( s, &end, 10 );
      s = end;
  
      while (*s && !isdigitW( *s )) s++;
      if (*s == '\0') return TRUE;
      time->wMinute = strtolW( s, &end, 10 );
      s = end;
  
      while (*s && !isdigitW( *s )) s++;
      if (*s == '\0') return TRUE;
      time->wSecond = strtolW( s, &end, 10 );
      s = end;
  
      time->wMilliseconds = 0;
      return TRUE;
  }
  
  /***********************************************************************
   *	InternetCheckConnectionW (WININET.@)
   *
   * Pings a requested host to check internet connection
   *
   * RETURNS
   *   TRUE on success and FALSE on failure. If a failure then
   *   ERROR_NOT_CONNECTED is placed into GetLastError
   *
   */
  BOOL WINAPI InternetCheckConnectionW( LPCWSTR lpszUrl, DWORD dwFlags, DWORD dwReserved )
  {
  /*
   * this is a kludge which runs the resident ping program and reads the output.
   *
   * Anyone have a better idea?
   */
  
    BOOL   rc = FALSE;
    static const CHAR ping[] = "ping -c 1 ";
    static const CHAR redirect[] = " >/dev/null 2>/dev/null";
    WCHAR *host;
    DWORD len, host_len;
    INTERNET_PORT port;
    int status = -1;
  
    FIXME("(%s %x %x)\n", debugstr_w(lpszUrl), dwFlags, dwReserved);
  
    /*
     * Crack or set the Address
     */
    if (lpszUrl == NULL)
    {
       /*
        * According to the doc we are supposed to use the ip for the next
        * server in the WnInet internal server database. I have
        * no idea what that is or how to get it.
        *
        * So someone needs to implement this.
        */
       FIXME("Unimplemented with URL of NULL\n");
       return TRUE;
    }
    else
    {
       URL_COMPONENTSW components = {sizeof(components)};
  
       components.dwHostNameLength = 1;
  
       if (!InternetCrackUrlW(lpszUrl,0,0,&components))
         goto End;
  
       host = components.lpszHostName;
       host_len = components.dwHostNameLength;
       port = components.nPort;
       TRACE("host name: %s port: %d\n",debugstr_wn(host, host_len), port);
    }
  
    if (dwFlags & FLAG_ICC_FORCE_CONNECTION)
    {
        struct sockaddr_storage saddr;
        int sa_len = sizeof(saddr);
        WCHAR *host_z;
        int fd;
        BOOL b;
  
        host_z = heap_strndupW(host, host_len);
        if (!host_z)
            return FALSE;
  
        b = GetAddress(host_z, port, (struct sockaddr *)&saddr, &sa_len, NULL);
        heap_free(host_z);
        if(!b)
            goto End;
        init_winsock();
        fd = socket(saddr.ss_family, SOCK_STREAM, 0);
        if (fd != -1)
        {
            if (connect(fd, (struct sockaddr *)&saddr, sa_len) == 0)
                rc = TRUE;
            closesocket(fd);
        }
    }
    else
    {
        /*
         * Build our ping command
         */
        char *command;
  
        len = WideCharToMultiByte(CP_UNIXCP, 0, host, host_len, NULL, 0, NULL, NULL);
        command = heap_alloc(strlen(ping)+len+strlen(redirect)+1);
        strcpy(command, ping);
        WideCharToMultiByte(CP_UNIXCP, 0, host, host_len, command+sizeof(ping)-1, len, NULL, NULL);
        strcpy(command+sizeof(ping)-1+len, redirect);
  
        TRACE("Ping command is : %s\n",command);
  
        status = system(command);
        heap_free( command );
  
        TRACE("Ping returned a code of %i\n",status);
  
        /* Ping return code of 0 indicates success */
        if (status == 0)
           rc = TRUE;
    }
  
  End:
    if (rc == FALSE)
      INTERNET_SetLastError(ERROR_NOT_CONNECTED);
  
    return rc;
  }
  
  
  /***********************************************************************
   *	InternetCheckConnectionA (WININET.@)
   *
   * Pings a requested host to check internet connection
   *
   * RETURNS
   *   TRUE on success and FALSE on failure. If a failure then
   *   ERROR_NOT_CONNECTED is placed into GetLastError
   *
   */
  BOOL WINAPI InternetCheckConnectionA(LPCSTR lpszUrl, DWORD dwFlags, DWORD dwReserved)
  {
      WCHAR *url = NULL;
      BOOL rc;
  
      if(lpszUrl) {
          url = heap_strdupAtoW(lpszUrl);
          if(!url)
              return FALSE;
      }
  
      rc = InternetCheckConnectionW(url, dwFlags, dwReserved);
  
      heap_free(url);
      return rc;
  }
  
  
  /**********************************************************
   *	INTERNET_InternetOpenUrlW (internal)
   *
   * Opens an URL
   *
   * RETURNS
   *   handle of connection or NULL on failure
   */
  static HINTERNET INTERNET_InternetOpenUrlW(appinfo_t *hIC, LPCWSTR lpszUrl,
      LPCWSTR lpszHeaders, DWORD dwHeadersLength, DWORD dwFlags, DWORD_PTR dwContext)
  {
      URL_COMPONENTSW urlComponents = { sizeof(urlComponents) };
      WCHAR *host, *user = NULL, *pass = NULL, *path;
      HINTERNET client = NULL, client1 = NULL;
      DWORD res;
      
      TRACE("(%p, %s, %s, %08x, %08x, %08lx)\n", hIC, debugstr_w(lpszUrl), debugstr_w(lpszHeaders),
  	  dwHeadersLength, dwFlags, dwContext);
      
      urlComponents.dwHostNameLength = 1;
      urlComponents.dwUserNameLength = 1;
      urlComponents.dwPasswordLength = 1;
      urlComponents.dwUrlPathLength = 1;
      urlComponents.dwExtraInfoLength = 1;
      if(!InternetCrackUrlW(lpszUrl, strlenW(lpszUrl), 0, &urlComponents))
  	return NULL;
  
      if ((urlComponents.nScheme == INTERNET_SCHEME_HTTP || urlComponents.nScheme == INTERNET_SCHEME_HTTPS) &&
          urlComponents.dwExtraInfoLength)
      {
          assert(urlComponents.lpszUrlPath + urlComponents.dwUrlPathLength == urlComponents.lpszExtraInfo);
          urlComponents.dwUrlPathLength += urlComponents.dwExtraInfoLength;
      }
  
      host = heap_strndupW(urlComponents.lpszHostName, urlComponents.dwHostNameLength);
      path = heap_strndupW(urlComponents.lpszUrlPath, urlComponents.dwUrlPathLength);
      if(urlComponents.dwUserNameLength)
          user = heap_strndupW(urlComponents.lpszUserName, urlComponents.dwUserNameLength);
      if(urlComponents.dwPasswordLength)
          pass = heap_strndupW(urlComponents.lpszPassword, urlComponents.dwPasswordLength);
  
      switch(urlComponents.nScheme) {
      case INTERNET_SCHEME_FTP:
  	client = FTP_Connect(hIC, host, urlComponents.nPort,
  			     user, pass, dwFlags, dwContext, INET_OPENURL);
  	if(client == NULL)
  	    break;
  	client1 = FtpOpenFileW(client, path, GENERIC_READ, dwFlags, dwContext);
  	if(client1 == NULL) {
  	    InternetCloseHandle(client);
  	    break;
  	}
  	break;
  	
      case INTERNET_SCHEME_HTTP:
      case INTERNET_SCHEME_HTTPS: {
  	static const WCHAR szStars[] = { '*','/','*', 0 };
  	LPCWSTR accept[2] = { szStars, NULL };
  
          if (urlComponents.nScheme == INTERNET_SCHEME_HTTPS) dwFlags |= INTERNET_FLAG_SECURE;
  
          /* FIXME: should use pointers, not handles, as handles are not thread-safe */
  	res = HTTP_Connect(hIC, host, urlComponents.nPort,
                             user, pass, dwFlags, dwContext, INET_OPENURL, &client);
          if(res != ERROR_SUCCESS) {
              INTERNET_SetLastError(res);
  	    break;
          }
  
          client1 = HttpOpenRequestW(client, NULL, path, NULL, NULL, accept, dwFlags, dwContext);
  	if(client1 == NULL) {
  	    InternetCloseHandle(client);
  	    break;
  	}
  	HttpAddRequestHeadersW(client1, lpszHeaders, dwHeadersLength, HTTP_ADDREQ_FLAG_ADD);
  	if (!HttpSendRequestW(client1, NULL, 0, NULL, 0) &&
              GetLastError() != ERROR_IO_PENDING) {
  	    InternetCloseHandle(client1);
  	    client1 = NULL;
  	    break;
  	}
      }
      case INTERNET_SCHEME_GOPHER:
  	/* gopher doesn't seem to be implemented in wine, but it's supposed
  	 * to be supported by InternetOpenUrlA. */
      default:
          SetLastError(ERROR_INTERNET_UNRECOGNIZED_SCHEME);
  	break;
      }
  
      TRACE(" %p <--\n", client1);
  
      heap_free(host);
      heap_free(path);
      heap_free(user);
      heap_free(pass);
      return client1;
  }
  
  /**********************************************************
   *	InternetOpenUrlW (WININET.@)
   *
   * Opens an URL
   *
   * RETURNS
   *   handle of connection or NULL on failure
   */
  typedef struct {
      task_header_t hdr;
      WCHAR *url;
      WCHAR *headers;
      DWORD headers_len;
      DWORD flags;
      DWORD_PTR context;
  } open_url_task_t;
  
  static void AsyncInternetOpenUrlProc(task_header_t *hdr)
  {
      open_url_task_t *task = (open_url_task_t*)hdr;
  
      TRACE("%p\n", task->hdr.hdr);
  
      INTERNET_InternetOpenUrlW((appinfo_t*)task->hdr.hdr, task->url, task->headers,
              task->headers_len, task->flags, task->context);
      heap_free(task->url);
      heap_free(task->headers);
  }
  
  HINTERNET WINAPI InternetOpenUrlW(HINTERNET hInternet, LPCWSTR lpszUrl,
      LPCWSTR lpszHeaders, DWORD dwHeadersLength, DWORD dwFlags, DWORD_PTR dwContext)
  {
      HINTERNET ret = NULL;
      appinfo_t *hIC = NULL;
  
      if (TRACE_ON(wininet)) {
  	TRACE("(%p, %s, %s, %08x, %08x, %08lx)\n", hInternet, debugstr_w(lpszUrl), debugstr_w(lpszHeaders),
  	      dwHeadersLength, dwFlags, dwContext);
  	TRACE("  flags :");
  	dump_INTERNET_FLAGS(dwFlags);
      }
  
      if (!lpszUrl)
      {
          SetLastError(ERROR_INVALID_PARAMETER);
          goto lend;
      }
  
      hIC = (appinfo_t*)get_handle_object( hInternet );
      if (NULL == hIC ||  hIC->hdr.htype != WH_HINIT) {
  	SetLastError(ERROR_INTERNET_INCORRECT_HANDLE_TYPE);
   	goto lend;
      }
      
      if (hIC->hdr.dwFlags & INTERNET_FLAG_ASYNC) {
  	open_url_task_t *task;
  
          task = alloc_async_task(&hIC->hdr, AsyncInternetOpenUrlProc, sizeof(*task));
          task->url = heap_strdupW(lpszUrl);
          task->headers = heap_strdupW(lpszHeaders);
          task->headers_len = dwHeadersLength;
          task->flags = dwFlags;
          task->context = dwContext;
  	
          INTERNET_AsyncCall(&task->hdr);
          SetLastError(ERROR_IO_PENDING);
      } else {
  	ret = INTERNET_InternetOpenUrlW(hIC, lpszUrl, lpszHeaders, dwHeadersLength, dwFlags, dwContext);
      }
      
    lend:
      if( hIC )
          WININET_Release( &hIC->hdr );
      TRACE(" %p <--\n", ret);
      
      return ret;
  }
  
  /**********************************************************
   *	InternetOpenUrlA (WININET.@)
   *
   * Opens an URL
   *
   * RETURNS
   *   handle of connection or NULL on failure
   */
  HINTERNET WINAPI InternetOpenUrlA(HINTERNET hInternet, LPCSTR lpszUrl,
      LPCSTR lpszHeaders, DWORD dwHeadersLength, DWORD dwFlags, DWORD_PTR dwContext)
  {
      HINTERNET rc = NULL;
      LPWSTR szUrl = NULL;
      WCHAR *headers = NULL;
  
      TRACE("\n");
  
      if(lpszUrl) {
          szUrl = heap_strdupAtoW(lpszUrl);
          if(!szUrl)
              return NULL;
      }
  
      if(lpszHeaders) {
          headers = heap_strndupAtoW(lpszHeaders, dwHeadersLength, &dwHeadersLength);
          if(!headers) {
              heap_free(szUrl);
              return NULL;
          }
      }
      
      rc = InternetOpenUrlW(hInternet, szUrl, headers, dwHeadersLength, dwFlags, dwContext);
  
      heap_free(szUrl);
      heap_free(headers);
      return rc;
  }
  
  
  static LPWITHREADERROR INTERNET_AllocThreadError(void)
  {
      LPWITHREADERROR lpwite = heap_alloc(sizeof(*lpwite));
  
      if (lpwite)
      {
          lpwite->dwError = 0;
          lpwite->response[0] = '\0';
      }
  
      if (!TlsSetValue(g_dwTlsErrIndex, lpwite))
      {
          heap_free(lpwite);
          return NULL;
      }
      return lpwite;
  }
  
  
  /***********************************************************************
   *           INTERNET_SetLastError (internal)
   *
   * Set last thread specific error
   *
   * RETURNS
   *
   */
  void INTERNET_SetLastError(DWORD dwError)
  {
      LPWITHREADERROR lpwite = TlsGetValue(g_dwTlsErrIndex);
  
      if (!lpwite)
          lpwite = INTERNET_AllocThreadError();
  
      SetLastError(dwError);
      if(lpwite)
          lpwite->dwError = dwError;
  }
  
  
  /***********************************************************************
   *           INTERNET_GetLastError (internal)
   *
   * Get last thread specific error
   *
   * RETURNS
   *
   */
  DWORD INTERNET_GetLastError(void)
  {
      LPWITHREADERROR lpwite = TlsGetValue(g_dwTlsErrIndex);
      if (!lpwite) return 0;
      /* TlsGetValue clears last error, so set it again here */
      SetLastError(lpwite->dwError);
      return lpwite->dwError;
  }
  
  
  /***********************************************************************
   *           INTERNET_WorkerThreadFunc (internal)
   *
   * Worker thread execution function
   *
   * RETURNS
   *
   */
  static DWORD CALLBACK INTERNET_WorkerThreadFunc(LPVOID lpvParam)
  {
      task_header_t *task = lpvParam;
  
      TRACE("\n");
  
      task->proc(task);
      WININET_Release(task->hdr);
      heap_free(task);
  
      if (g_dwTlsErrIndex != TLS_OUT_OF_INDEXES)
      {
          heap_free(TlsGetValue(g_dwTlsErrIndex));
          TlsSetValue(g_dwTlsErrIndex, NULL);
      }
      return TRUE;
  }
  
  void *alloc_async_task(object_header_t *hdr, async_task_proc_t proc, size_t size)
  {
      task_header_t *task;
  
      task = heap_alloc(size);
      if(!task)
          return NULL;
  
      task->hdr = WININET_AddRef(hdr);
      task->proc = proc;
      return task;
  }
  
  /***********************************************************************
   *           INTERNET_AsyncCall (internal)
   *
   * Retrieves work request from queue
   *
   * RETURNS
   *
   */
  DWORD INTERNET_AsyncCall(task_header_t *task)
  {
      BOOL bSuccess;
  
      TRACE("\n");
  
      bSuccess = QueueUserWorkItem(INTERNET_WorkerThreadFunc, task, WT_EXECUTELONGFUNCTION);
      if (!bSuccess)
      {
          heap_free(task);
          return ERROR_INTERNET_ASYNC_THREAD_FAILED;
      }
      return ERROR_SUCCESS;
  }
  
  
  /***********************************************************************
   *          INTERNET_GetResponseBuffer  (internal)
   *
   * RETURNS
   *
   */
  LPSTR INTERNET_GetResponseBuffer(void)
  {
      LPWITHREADERROR lpwite = TlsGetValue(g_dwTlsErrIndex);
      if (!lpwite)
          lpwite = INTERNET_AllocThreadError();
      TRACE("\n");
      return lpwite->response;
  }
  
  /**********************************************************
   *	InternetQueryDataAvailable (WININET.@)
   *
   * Determines how much data is available to be read.
   *
   * RETURNS
   *   TRUE on success, FALSE if an error occurred. If
   *   INTERNET_FLAG_ASYNC was specified in InternetOpen, and
   *   no data is presently available, FALSE is returned with
   *   the last error ERROR_IO_PENDING; a callback with status
   *   INTERNET_STATUS_REQUEST_COMPLETE will be sent when more
   *   data is available.
   */
  BOOL WINAPI InternetQueryDataAvailable( HINTERNET hFile,
                                  LPDWORD lpdwNumberOfBytesAvailable,
                                  DWORD dwFlags, DWORD_PTR dwContext)
  {
      object_header_t *hdr;
      DWORD res;
  
      TRACE("(%p %p %x %lx)\n", hFile, lpdwNumberOfBytesAvailable, dwFlags, dwContext);
  
      hdr = get_handle_object( hFile );
      if (!hdr) {
          SetLastError(ERROR_INVALID_HANDLE);
          return FALSE;
      }
  
      if(hdr->vtbl->QueryDataAvailable) {
          res = hdr->vtbl->QueryDataAvailable(hdr, lpdwNumberOfBytesAvailable, dwFlags, dwContext);
      }else {
          WARN("wrong handle\n");
          res = ERROR_INTERNET_INCORRECT_HANDLE_TYPE;
      }
  
      WININET_Release(hdr);
  
      if(res != ERROR_SUCCESS)
          SetLastError(res);
      return res == ERROR_SUCCESS;
  }
  
  DWORD create_req_file(const WCHAR *file_name, req_file_t **ret)
  {
      req_file_t *req_file;
  
      req_file = heap_alloc_zero(sizeof(*req_file));
      if(!req_file)
          return ERROR_NOT_ENOUGH_MEMORY;
  
      req_file->ref = 1;
  
      req_file->file_name = heap_strdupW(file_name);
      if(!req_file->file_name) {
          heap_free(req_file);
          return ERROR_NOT_ENOUGH_MEMORY;
      }
  
      req_file->file_handle = CreateFileW(req_file->file_name, GENERIC_READ, FILE_SHARE_READ|FILE_SHARE_WRITE,
                NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
      if(req_file->file_handle == INVALID_HANDLE_VALUE) {
          req_file_release(req_file);
          return GetLastError();
      }
  
      *ret = req_file;
      return ERROR_SUCCESS;
  }
  
  void req_file_release(req_file_t *req_file)
  {
      if(InterlockedDecrement(&req_file->ref))
          return;
  
      if(!req_file->is_committed)
          DeleteFileW(req_file->file_name);
      if(req_file->file_handle && req_file->file_handle != INVALID_HANDLE_VALUE)
          CloseHandle(req_file->file_handle);
      heap_free(req_file->file_name);
      heap_free(req_file->url);
      heap_free(req_file);
  }
  
  /***********************************************************************
   *      InternetLockRequestFile (WININET.@)
   */
  BOOL WINAPI InternetLockRequestFile(HINTERNET hInternet, HANDLE *lphLockReqHandle)
  {
      req_file_t *req_file = NULL;
      object_header_t *hdr;
      DWORD res;
  
      TRACE("(%p %p)\n", hInternet, lphLockReqHandle);
  
      hdr = get_handle_object(hInternet);
      if (!hdr) {
          SetLastError(ERROR_INVALID_HANDLE);
          return FALSE;
      }
  
      if(hdr->vtbl->LockRequestFile) {
          res = hdr->vtbl->LockRequestFile(hdr, &req_file);
      }else {
          WARN("wrong handle\n");
          res = ERROR_INTERNET_INCORRECT_HANDLE_TYPE;
      }
  
      WININET_Release(hdr);
  
      *lphLockReqHandle = req_file;
      if(res != ERROR_SUCCESS)
          SetLastError(res);
      return res == ERROR_SUCCESS;
  }
  
  BOOL WINAPI InternetUnlockRequestFile(HANDLE hLockHandle)
  {
      TRACE("(%p)\n", hLockHandle);
  
      req_file_release(hLockHandle);
      return TRUE;
  }
  
  
  /***********************************************************************
   *      InternetAutodial (WININET.@)
   *
   * On windows this function is supposed to dial the default internet
   * connection. We don't want to have Wine dial out to the internet so
   * we return TRUE by default. It might be nice to check if we are connected.
   *
   * RETURNS
   *   TRUE on success
   *   FALSE on failure
   *
   */
  BOOL WINAPI InternetAutodial(DWORD dwFlags, HWND hwndParent)
  {
      FIXME("STUB\n");
  
      /* Tell that we are connected to the internet. */
      return TRUE;
  }
  
  /***********************************************************************
   *      InternetAutodialHangup (WININET.@)
   *
   * Hangs up a connection made with InternetAutodial
   *
   * PARAM
   *    dwReserved
   * RETURNS
   *   TRUE on success
   *   FALSE on failure
   *
   */
  BOOL WINAPI InternetAutodialHangup(DWORD dwReserved)
  {
      FIXME("STUB\n");
  
      /* we didn't dial, we don't disconnect */
      return TRUE;
  }
  
  /***********************************************************************
   *      InternetCombineUrlA (WININET.@)
   *
   * Combine a base URL with a relative URL
   *
   * RETURNS
   *   TRUE on success
   *   FALSE on failure
   *
   */
  
  BOOL WINAPI InternetCombineUrlA(LPCSTR lpszBaseUrl, LPCSTR lpszRelativeUrl,
                                  LPSTR lpszBuffer, LPDWORD lpdwBufferLength,
                                  DWORD dwFlags)
  {
      HRESULT hr=S_OK;
  
      TRACE("(%s, %s, %p, %p, 0x%08x)\n", debugstr_a(lpszBaseUrl), debugstr_a(lpszRelativeUrl), lpszBuffer, lpdwBufferLength, dwFlags);
  
      /* Flip this bit to correspond to URL_ESCAPE_UNSAFE */
      dwFlags ^= ICU_NO_ENCODE;
      hr=UrlCombineA(lpszBaseUrl,lpszRelativeUrl,lpszBuffer,lpdwBufferLength,dwFlags);
  
      return (hr==S_OK);
  }
  
  /***********************************************************************
   *      InternetCombineUrlW (WININET.@)
   *
   * Combine a base URL with a relative URL
   *
   * RETURNS
   *   TRUE on success
   *   FALSE on failure
   *
   */
  
  BOOL WINAPI InternetCombineUrlW(LPCWSTR lpszBaseUrl, LPCWSTR lpszRelativeUrl,
                                  LPWSTR lpszBuffer, LPDWORD lpdwBufferLength,
                                  DWORD dwFlags)
  {
      HRESULT hr=S_OK;
  
      TRACE("(%s, %s, %p, %p, 0x%08x)\n", debugstr_w(lpszBaseUrl), debugstr_w(lpszRelativeUrl), lpszBuffer, lpdwBufferLength, dwFlags);
  
      /* Flip this bit to correspond to URL_ESCAPE_UNSAFE */
      dwFlags ^= ICU_NO_ENCODE;
      hr=UrlCombineW(lpszBaseUrl,lpszRelativeUrl,lpszBuffer,lpdwBufferLength,dwFlags);
  
      return (hr==S_OK);
  }
  
  /* max port num is 65535 => 5 digits */
  #define MAX_WORD_DIGITS 5
  
  #define URL_GET_COMP_LENGTH(url, component) ((url)->dw##component##Length ? \
      (url)->dw##component##Length : strlenW((url)->lpsz##component))
  #define URL_GET_COMP_LENGTHA(url, component) ((url)->dw##component##Length ? \
      (url)->dw##component##Length : strlen((url)->lpsz##component))
  
  static BOOL url_uses_default_port(INTERNET_SCHEME nScheme, INTERNET_PORT nPort)
  {
      if ((nScheme == INTERNET_SCHEME_HTTP) &&
          (nPort == INTERNET_DEFAULT_HTTP_PORT))
          return TRUE;
      if ((nScheme == INTERNET_SCHEME_HTTPS) &&
          (nPort == INTERNET_DEFAULT_HTTPS_PORT))
          return TRUE;
      if ((nScheme == INTERNET_SCHEME_FTP) &&
          (nPort == INTERNET_DEFAULT_FTP_PORT))
          return TRUE;
      if ((nScheme == INTERNET_SCHEME_GOPHER) &&
          (nPort == INTERNET_DEFAULT_GOPHER_PORT))
          return TRUE;
  
      if (nPort == INTERNET_INVALID_PORT_NUMBER)
          return TRUE;
  
      return FALSE;
  }
  
  /* opaque urls do not fit into the standard url hierarchy and don't have
   * two following slashes */
  static inline BOOL scheme_is_opaque(INTERNET_SCHEME nScheme)
  {
      return (nScheme != INTERNET_SCHEME_FTP) &&
             (nScheme != INTERNET_SCHEME_GOPHER) &&
             (nScheme != INTERNET_SCHEME_HTTP) &&
             (nScheme != INTERNET_SCHEME_HTTPS) &&
             (nScheme != INTERNET_SCHEME_FILE);
  }
  
  static LPCWSTR INTERNET_GetSchemeString(INTERNET_SCHEME scheme)
  {
      int index;
      if (scheme < INTERNET_SCHEME_FIRST)
          return NULL;
      index = scheme - INTERNET_SCHEME_FIRST;
      if (index >= ARRAY_SIZE(url_schemes))
          return NULL;
      return (LPCWSTR)url_schemes[index];
  }
  
  /* we can calculate using ansi strings because we're just
   * calculating string length, not size
   */
  static BOOL calc_url_length(LPURL_COMPONENTSW lpUrlComponents,
                              LPDWORD lpdwUrlLength)
  {
      INTERNET_SCHEME nScheme;
  
      *lpdwUrlLength = 0;
  
      if (lpUrlComponents->lpszScheme)
      {
          DWORD dwLen = URL_GET_COMP_LENGTH(lpUrlComponents, Scheme);
          *lpdwUrlLength += dwLen;
          nScheme = GetInternetSchemeW(lpUrlComponents->lpszScheme, dwLen);
      }
      else
      {
          LPCWSTR scheme;
  
          nScheme = lpUrlComponents->nScheme;
  
          if (nScheme == INTERNET_SCHEME_DEFAULT)
              nScheme = INTERNET_SCHEME_HTTP;
          scheme = INTERNET_GetSchemeString(nScheme);
          *lpdwUrlLength += strlenW(scheme);
      }
  
      (*lpdwUrlLength)++; /* ':' */
      if (!scheme_is_opaque(nScheme) || lpUrlComponents->lpszHostName)
          *lpdwUrlLength += strlen("//");
  
      if (lpUrlComponents->lpszUserName)
      {
          *lpdwUrlLength += URL_GET_COMP_LENGTH(lpUrlComponents, UserName);
          *lpdwUrlLength += strlen("@");
      }
      else
      {
          if (lpUrlComponents->lpszPassword)
          {
              INTERNET_SetLastError(ERROR_INVALID_PARAMETER);
              return FALSE;
          }
      }
  
      if (lpUrlComponents->lpszPassword)
      {
          *lpdwUrlLength += strlen(":");
          *lpdwUrlLength += URL_GET_COMP_LENGTH(lpUrlComponents, Password);
      }
  
      if (lpUrlComponents->lpszHostName)
      {
          *lpdwUrlLength += URL_GET_COMP_LENGTH(lpUrlComponents, HostName);
  
          if (!url_uses_default_port(nScheme, lpUrlComponents->nPort))
          {
              char szPort[MAX_WORD_DIGITS+1];
  
              *lpdwUrlLength += sprintf(szPort, "%d", lpUrlComponents->nPort);
              *lpdwUrlLength += strlen(":");
          }
  
          if (lpUrlComponents->lpszUrlPath && *lpUrlComponents->lpszUrlPath != '/')
              (*lpdwUrlLength)++; /* '/' */
      }
  
      if (lpUrlComponents->lpszUrlPath)
          *lpdwUrlLength += URL_GET_COMP_LENGTH(lpUrlComponents, UrlPath);
  
      if (lpUrlComponents->lpszExtraInfo)
          *lpdwUrlLength += URL_GET_COMP_LENGTH(lpUrlComponents, ExtraInfo);
  
      return TRUE;
  }
  
  static void convert_urlcomp_atow(LPURL_COMPONENTSA lpUrlComponents, LPURL_COMPONENTSW urlCompW)
  {
      INT len;
  
      ZeroMemory(urlCompW, sizeof(URL_COMPONENTSW));
  
      urlCompW->dwStructSize = sizeof(URL_COMPONENTSW);
      urlCompW->dwSchemeLength = lpUrlComponents->dwSchemeLength;
      urlCompW->nScheme = lpUrlComponents->nScheme;
      urlCompW->dwHostNameLength = lpUrlComponents->dwHostNameLength;
      urlCompW->nPort = lpUrlComponents->nPort;
      urlCompW->dwUserNameLength = lpUrlComponents->dwUserNameLength;
      urlCompW->dwPasswordLength = lpUrlComponents->dwPasswordLength;
      urlCompW->dwUrlPathLength = lpUrlComponents->dwUrlPathLength;
      urlCompW->dwExtraInfoLength = lpUrlComponents->dwExtraInfoLength;
  
      if (lpUrlComponents->lpszScheme)
      {
          len = URL_GET_COMP_LENGTHA(lpUrlComponents, Scheme) + 1;
          urlCompW->lpszScheme = heap_alloc(len * sizeof(WCHAR));
          MultiByteToWideChar(CP_ACP, 0, lpUrlComponents->lpszScheme,
                              -1, urlCompW->lpszScheme, len);
      }
  
      if (lpUrlComponents->lpszHostName)
      {
          len = URL_GET_COMP_LENGTHA(lpUrlComponents, HostName) + 1;
          urlCompW->lpszHostName = heap_alloc(len * sizeof(WCHAR));
          MultiByteToWideChar(CP_ACP, 0, lpUrlComponents->lpszHostName,
                              -1, urlCompW->lpszHostName, len);
      }
  
      if (lpUrlComponents->lpszUserName)
      {
          len = URL_GET_COMP_LENGTHA(lpUrlComponents, UserName) + 1;
          urlCompW->lpszUserName = heap_alloc(len * sizeof(WCHAR));
          MultiByteToWideChar(CP_ACP, 0, lpUrlComponents->lpszUserName,
                              -1, urlCompW->lpszUserName, len);
      }
  
      if (lpUrlComponents->lpszPassword)
      {
          len = URL_GET_COMP_LENGTHA(lpUrlComponents, Password) + 1;
          urlCompW->lpszPassword = heap_alloc(len * sizeof(WCHAR));
          MultiByteToWideChar(CP_ACP, 0, lpUrlComponents->lpszPassword,
                              -1, urlCompW->lpszPassword, len);
      }
  
      if (lpUrlComponents->lpszUrlPath)
      {
          len = URL_GET_COMP_LENGTHA(lpUrlComponents, UrlPath) + 1;
          urlCompW->lpszUrlPath = heap_alloc(len * sizeof(WCHAR));
          MultiByteToWideChar(CP_ACP, 0, lpUrlComponents->lpszUrlPath,
                              -1, urlCompW->lpszUrlPath, len);
      }
  
      if (lpUrlComponents->lpszExtraInfo)
      {
          len = URL_GET_COMP_LENGTHA(lpUrlComponents, ExtraInfo) + 1;
          urlCompW->lpszExtraInfo = heap_alloc(len * sizeof(WCHAR));
          MultiByteToWideChar(CP_ACP, 0, lpUrlComponents->lpszExtraInfo,
                              -1, urlCompW->lpszExtraInfo, len);
      }
  }
  
  /***********************************************************************
   *      InternetCreateUrlA (WININET.@)
   *
   * See InternetCreateUrlW.
   */
  BOOL WINAPI InternetCreateUrlA(LPURL_COMPONENTSA lpUrlComponents, DWORD dwFlags,
                                 LPSTR lpszUrl, LPDWORD lpdwUrlLength)
  {
      BOOL ret;
      LPWSTR urlW = NULL;
      URL_COMPONENTSW urlCompW;
  
      TRACE("(%p,%d,%p,%p)\n", lpUrlComponents, dwFlags, lpszUrl, lpdwUrlLength);
  
      if (!lpUrlComponents || lpUrlComponents->dwStructSize != sizeof(URL_COMPONENTSW) || !lpdwUrlLength)
      {
          SetLastError(ERROR_INVALID_PARAMETER);
          return FALSE;
      }
  
      convert_urlcomp_atow(lpUrlComponents, &urlCompW);
  
      if (lpszUrl)
          urlW = heap_alloc(*lpdwUrlLength * sizeof(WCHAR));
  
      ret = InternetCreateUrlW(&urlCompW, dwFlags, urlW, lpdwUrlLength);
  
      if (!ret && (GetLastError() == ERROR_INSUFFICIENT_BUFFER))
          *lpdwUrlLength /= sizeof(WCHAR);
  
      /* on success, lpdwUrlLength points to the size of urlW in WCHARS
      * minus one, so add one to leave room for NULL terminator
      */
      if (ret)
          WideCharToMultiByte(CP_ACP, 0, urlW, -1, lpszUrl, *lpdwUrlLength + 1, NULL, NULL);
  
      heap_free(urlCompW.lpszScheme);
      heap_free(urlCompW.lpszHostName);
      heap_free(urlCompW.lpszUserName);
      heap_free(urlCompW.lpszPassword);
      heap_free(urlCompW.lpszUrlPath);
      heap_free(urlCompW.lpszExtraInfo);
      heap_free(urlW);
      return ret;
  }
  
  /***********************************************************************
   *      InternetCreateUrlW (WININET.@)
   *
   * Creates a URL from its component parts.
   *
   * PARAMS
   *  lpUrlComponents [I] URL Components.
   *  dwFlags         [I] Flags. See notes.
   *  lpszUrl         [I] Buffer in which to store the created URL.
   *  lpdwUrlLength   [I/O] On input, the length of the buffer pointed to by
   *                        lpszUrl in characters. On output, the number of bytes
   *                        required to store the URL including terminator.
   *
   * NOTES
   *
   * The dwFlags parameter can be zero or more of the following:
   *|ICU_ESCAPE - Generates escape sequences for unsafe characters in the path and extra info of the URL.
   *
   * RETURNS
   *   TRUE on success
   *   FALSE on failure
   *
   */
  BOOL WINAPI InternetCreateUrlW(LPURL_COMPONENTSW lpUrlComponents, DWORD dwFlags,
                                 LPWSTR lpszUrl, LPDWORD lpdwUrlLength)
  {
      DWORD dwLen;
      INTERNET_SCHEME nScheme;
  
      static const WCHAR slashSlashW[] = {'/','/'};
      static const WCHAR fmtW[] = {'%','u',0};
  
      TRACE("(%p,%d,%p,%p)\n", lpUrlComponents, dwFlags, lpszUrl, lpdwUrlLength);
  
      if (!lpUrlComponents || lpUrlComponents->dwStructSize != sizeof(URL_COMPONENTSW) || !lpdwUrlLength)
      {
          INTERNET_SetLastError(ERROR_INVALID_PARAMETER);
          return FALSE;
      }
  
      if (!calc_url_length(lpUrlComponents, &dwLen))
          return FALSE;
  
      if (!lpszUrl || *lpdwUrlLength < dwLen)
      {
          *lpdwUrlLength = (dwLen + 1) * sizeof(WCHAR);
          INTERNET_SetLastError(ERROR_INSUFFICIENT_BUFFER);
          return FALSE;
      }
  
      *lpdwUrlLength = dwLen;
      lpszUrl[0] = 0x00;
  
      dwLen = 0;
  
      if (lpUrlComponents->lpszScheme)
      {
          dwLen = URL_GET_COMP_LENGTH(lpUrlComponents, Scheme);
          memcpy(lpszUrl, lpUrlComponents->lpszScheme, dwLen * sizeof(WCHAR));
          lpszUrl += dwLen;
  
          nScheme = GetInternetSchemeW(lpUrlComponents->lpszScheme, dwLen);
      }
      else
      {
          LPCWSTR scheme;
          nScheme = lpUrlComponents->nScheme;
  
          if (nScheme == INTERNET_SCHEME_DEFAULT)
              nScheme = INTERNET_SCHEME_HTTP;
  
          scheme = INTERNET_GetSchemeString(nScheme);
          dwLen = strlenW(scheme);
          memcpy(lpszUrl, scheme, dwLen * sizeof(WCHAR));
          lpszUrl += dwLen;
      }
  
      /* all schemes are followed by at least a colon */
      *lpszUrl = ':';
      lpszUrl++;
  
      if (!scheme_is_opaque(nScheme) || lpUrlComponents->lpszHostName)
      {
          memcpy(lpszUrl, slashSlashW, sizeof(slashSlashW));
          lpszUrl += ARRAY_SIZE(slashSlashW);
      }
  
      if (lpUrlComponents->lpszUserName)
      {
          dwLen = URL_GET_COMP_LENGTH(lpUrlComponents, UserName);
          memcpy(lpszUrl, lpUrlComponents->lpszUserName, dwLen * sizeof(WCHAR));
          lpszUrl += dwLen;
  
          if (lpUrlComponents->lpszPassword)
          {
              *lpszUrl = ':';
              lpszUrl++;
  
              dwLen = URL_GET_COMP_LENGTH(lpUrlComponents, Password);
              memcpy(lpszUrl, lpUrlComponents->lpszPassword, dwLen * sizeof(WCHAR));
              lpszUrl += dwLen;
          }
  
          *lpszUrl = '@';
          lpszUrl++;
      }
  
      if (lpUrlComponents->lpszHostName)
      {
          dwLen = URL_GET_COMP_LENGTH(lpUrlComponents, HostName);
          memcpy(lpszUrl, lpUrlComponents->lpszHostName, dwLen * sizeof(WCHAR));
          lpszUrl += dwLen;
  
          if (!url_uses_default_port(nScheme, lpUrlComponents->nPort))
          {
              *lpszUrl = ':';
              lpszUrl++;
              lpszUrl += sprintfW(lpszUrl, fmtW, lpUrlComponents->nPort);
          }
  
          /* add slash between hostname and path if necessary */
          if (lpUrlComponents->lpszUrlPath && *lpUrlComponents->lpszUrlPath != '/')
          {
              *lpszUrl = '/';
              lpszUrl++;
          }
      }
  
      if (lpUrlComponents->lpszUrlPath)
      {
          dwLen = URL_GET_COMP_LENGTH(lpUrlComponents, UrlPath);
          memcpy(lpszUrl, lpUrlComponents->lpszUrlPath, dwLen * sizeof(WCHAR));
          lpszUrl += dwLen;
      }
  
      if (lpUrlComponents->lpszExtraInfo)
      {
          dwLen = URL_GET_COMP_LENGTH(lpUrlComponents, ExtraInfo);
          memcpy(lpszUrl, lpUrlComponents->lpszExtraInfo, dwLen * sizeof(WCHAR));
          lpszUrl += dwLen;
      }
  
      *lpszUrl = '\0';
  
      return TRUE;
  }
  
  /***********************************************************************
   *      InternetConfirmZoneCrossingA (WININET.@)
   *
   */
  DWORD WINAPI InternetConfirmZoneCrossingA( HWND hWnd, LPSTR szUrlPrev, LPSTR szUrlNew, BOOL bPost )
  {
      FIXME("(%p, %s, %s, %x) stub\n", hWnd, debugstr_a(szUrlPrev), debugstr_a(szUrlNew), bPost);
      return ERROR_SUCCESS;
  }
  
  /***********************************************************************
   *      InternetConfirmZoneCrossingW (WININET.@)
   *
   */
  DWORD WINAPI InternetConfirmZoneCrossingW( HWND hWnd, LPWSTR szUrlPrev, LPWSTR szUrlNew, BOOL bPost )
  {
      FIXME("(%p, %s, %s, %x) stub\n", hWnd, debugstr_w(szUrlPrev), debugstr_w(szUrlNew), bPost);
      return ERROR_SUCCESS;
  }
  
  static DWORD zone_preference = 3;
  
  /***********************************************************************
   *      PrivacySetZonePreferenceW (WININET.@)
   */
  DWORD WINAPI PrivacySetZonePreferenceW( DWORD zone, DWORD type, DWORD template, LPCWSTR preference )
  {
      FIXME( "%x %x %x %s: stub\n", zone, type, template, debugstr_w(preference) );
  
      zone_preference = template;
      return 0;
  }
  
  /***********************************************************************
   *      PrivacyGetZonePreferenceW (WININET.@)
   */
  DWORD WINAPI PrivacyGetZonePreferenceW( DWORD zone, DWORD type, LPDWORD template,
                                          LPWSTR preference, LPDWORD length )
  {
      FIXME( "%x %x %p %p %p: stub\n", zone, type, template, preference, length );
  
      if (template) *template = zone_preference;
      return 0;
  }
  
  /***********************************************************************
   *      InternetGetSecurityInfoByURLA (WININET.@)
   */
  BOOL WINAPI InternetGetSecurityInfoByURLA(LPSTR lpszURL, PCCERT_CHAIN_CONTEXT *ppCertChain, DWORD *pdwSecureFlags)
  {
      WCHAR *url;
      BOOL res;
  
      TRACE("(%s %p %p)\n", debugstr_a(lpszURL), ppCertChain, pdwSecureFlags);
  
      url = heap_strdupAtoW(lpszURL);
      if(!url)
          return FALSE;
  
      res = InternetGetSecurityInfoByURLW(url, ppCertChain, pdwSecureFlags);
      heap_free(url);
      return res;
  }
  
  /***********************************************************************
   *      InternetGetSecurityInfoByURLW (WININET.@)
   */
  BOOL WINAPI InternetGetSecurityInfoByURLW(LPCWSTR lpszURL, PCCERT_CHAIN_CONTEXT *ppCertChain, DWORD *pdwSecureFlags)
  {
      URL_COMPONENTSW url = {sizeof(url)};
      server_t *server;
      BOOL res;
  
      TRACE("(%s %p %p)\n", debugstr_w(lpszURL), ppCertChain, pdwSecureFlags);
  
      if (!ppCertChain && !pdwSecureFlags) {
          SetLastError(ERROR_INVALID_PARAMETER);
          return FALSE;
      }
  
      url.dwHostNameLength = 1;
      res = InternetCrackUrlW(lpszURL, 0, 0, &url);
      if(!res || url.nScheme != INTERNET_SCHEME_HTTPS) {
          SetLastError(ERROR_INTERNET_ITEM_NOT_FOUND);
          return FALSE;
      }
  
      server = get_server(substr(url.lpszHostName, url.dwHostNameLength), url.nPort, TRUE, FALSE);
      if(!server) {
          SetLastError(ERROR_INTERNET_ITEM_NOT_FOUND);
          return FALSE;
      }
  
      if(server->cert_chain) {
          if(pdwSecureFlags)
              *pdwSecureFlags = server->security_flags & _SECURITY_ERROR_FLAGS_MASK;
  
          if(ppCertChain && !(*ppCertChain = CertDuplicateCertificateChain(server->cert_chain)))
              res = FALSE;
      }else {
          SetLastError(ERROR_INTERNET_ITEM_NOT_FOUND);
          res = FALSE;
      }
  
      server_release(server);
      return res;
  }
  
  DWORD WINAPI InternetDialA( HWND hwndParent, LPSTR lpszConnectoid, DWORD dwFlags,
                              DWORD_PTR* lpdwConnection, DWORD dwReserved )
  {
      FIXME("(%p, %p, 0x%08x, %p, 0x%08x) stub\n", hwndParent, lpszConnectoid, dwFlags,
            lpdwConnection, dwReserved);
      return ERROR_SUCCESS;
  }
  
  DWORD WINAPI InternetDialW( HWND hwndParent, LPWSTR lpszConnectoid, DWORD dwFlags,
                              DWORD_PTR* lpdwConnection, DWORD dwReserved )
  {
      FIXME("(%p, %p, 0x%08x, %p, 0x%08x) stub\n", hwndParent, lpszConnectoid, dwFlags,
            lpdwConnection, dwReserved);
      return ERROR_SUCCESS;
  }
  
  BOOL WINAPI InternetGoOnlineA( LPSTR lpszURL, HWND hwndParent, DWORD dwReserved )
  {
      FIXME("(%s, %p, 0x%08x) stub\n", debugstr_a(lpszURL), hwndParent, dwReserved);
      return TRUE;
  }
  
  BOOL WINAPI InternetGoOnlineW( LPWSTR lpszURL, HWND hwndParent, DWORD dwReserved )
  {
      FIXME("(%s, %p, 0x%08x) stub\n", debugstr_w(lpszURL), hwndParent, dwReserved);
      return TRUE;
  }
  
  DWORD WINAPI InternetHangUp( DWORD_PTR dwConnection, DWORD dwReserved )
  {
      FIXME("(0x%08lx, 0x%08x) stub\n", dwConnection, dwReserved);
      return ERROR_SUCCESS;
  }
  
  BOOL WINAPI CreateMD5SSOHash( PWSTR pszChallengeInfo, PWSTR pwszRealm, PWSTR pwszTarget,
                                PBYTE pbHexHash )
  {
      FIXME("(%s, %s, %s, %p) stub\n", debugstr_w(pszChallengeInfo), debugstr_w(pwszRealm),
            debugstr_w(pwszTarget), pbHexHash);
      return FALSE;
  }
  
  BOOL WINAPI ResumeSuspendedDownload( HINTERNET hInternet, DWORD dwError )
  {
      FIXME("(%p, 0x%08x) stub\n", hInternet, dwError);
      return FALSE;
  }
  
  BOOL WINAPI InternetQueryFortezzaStatus(DWORD *a, DWORD_PTR b)
  {
      FIXME("(%p, %08lx) stub\n", a, b);
      return FALSE;
  }
  
  DWORD WINAPI ShowClientAuthCerts(HWND parent)
  {
      FIXME("%p: stub\n", parent);
      return 0;
  }
  