dlls/jsproxy/main.c

   1 /*
   2  * Copyright 2014 Hans Leidekker for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include "config.h"
  20 #include "wine/port.h"
  21
  22 #include <stdarg.h>
  23 #include <sys/types.h>
  24 #ifdef HAVE_SYS_SOCKET_H
  25 # include <sys/socket.h>
  26 #endif
  27 #ifdef HAVE_NETINET_IN_H
  28 # include <netinet/in.h>
  29 #endif
  30 #ifdef HAVE_NETDB_H
  31 # include <netdb.h>
  32 #endif
  33 #if defined(__MINGW32__) || defined (_MSC_VER)
  34 # include <ws2tcpip.h>
  35 #else
  36 # define closesocket close
  37 # define ioctlsocket ioctl
  38 #endif
  39
  40 #include "windef.h"
  41 #include "winbase.h"
  42 #ifndef __MINGW32__
  43 #define USE_WS_PREFIX
  44 #endif
  45 #include "winsock2.h"
  46 #include "ws2ipdef.h"
  47 #include "winnls.h"
  48 #include "wininet.h"
  49 #define COBJMACROS
  50 #include "ole2.h"
  51 #include "dispex.h"
  52 #include "activscp.h"
  53 #include "wine/debug.h"
  54 #include "wine/unicode.h"
  55
  56 static HINSTANCE instance;
  57
  58 WINE_DEFAULT_DEBUG_CHANNEL(jsproxy);
  59
  60 static CRITICAL_SECTION cs_jsproxy;
  61 static CRITICAL_SECTION_DEBUG critsect_debug =
  62 {
  63     0, 0, &cs_jsproxy,
  64     { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
  65       0, 0, { (DWORD_PTR)(__FILE__ ": cs_jsproxy") }
  66 };
  67 static CRITICAL_SECTION cs_jsproxy = { &critsect_debug, -1, 0, 0, 0, 0 };
  68
  69 static const WCHAR global_funcsW[] = {'g','l','o','b','a','l','_','f','u','n','c','s',0};
  70 static const WCHAR dns_resolveW[] = {'d','n','s','_','r','e','s','o','l','v','e',0};
  71
  72 /******************************************************************
  73  *      DllMain (jsproxy.@)
  74  */
  75 BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID reserved )
  76 {
  77     switch (reason)
  78     {
  79     case DLL_PROCESS_ATTACH:
  80         instance = hinst;
  81         DisableThreadLibraryCalls( hinst );
  82         break;
  83
  84     case DLL_PROCESS_DETACH:
  85         break;
  86     }
  87     return TRUE;
  88 }
  89
  90 static inline void *heap_alloc( SIZE_T size )
  91 {
  92     return HeapAlloc( GetProcessHeap(), 0, size );
  93 }
  94
  95 static inline BOOL heap_free( LPVOID mem )
  96 {
  97     return HeapFree( GetProcessHeap(), 0, mem );
  98 }
  99
 100 static inline WCHAR *strdupAW( const char *src, DWORD len )
 101 {
 102     WCHAR *dst = NULL;
 103     if (src)
 104     {
 105         int dst_len = MultiByteToWideChar( CP_ACP, 0, src, len, NULL, 0 );
 106         if ((dst = heap_alloc( (dst_len + 1) * sizeof(WCHAR) )))
 107         {
 108             len = MultiByteToWideChar( CP_ACP, 0, src, len, dst, dst_len );
 109             dst[dst_len] = 0;
 110         }
 111     }
 112     return dst;
 113 }
 114
 115 static inline char *strdupWA( const WCHAR *src )
 116 {
 117     char *dst = NULL;
 118     if (src)
 119     {
 120         int len = WideCharToMultiByte( CP_ACP, 0, src, -1, NULL, 0, NULL, NULL );
 121         if ((dst = heap_alloc( len ))) WideCharToMultiByte( CP_ACP, 0, src, -1, dst, len, NULL, NULL );
 122     }
 123     return dst;
 124 }
 125
 126 static struct pac_script
 127 {
 128     WCHAR *text;
 129 } pac_script;
 130 static struct pac_script *global_script = &pac_script;
 131
 132 /******************************************************************
 133  *      InternetDeInitializeAutoProxyDll (jsproxy.@)
 134  */
 135 BOOL WINAPI InternetDeInitializeAutoProxyDll( LPSTR mime, DWORD reserved )
 136 {
 137     TRACE( "%s, %u\n", debugstr_a(mime), reserved );
 138
 139     EnterCriticalSection( &cs_jsproxy );
 140
 141     heap_free( global_script->text );
 142     global_script->text = NULL;
 143
 144     LeaveCriticalSection( &cs_jsproxy );
 145     return TRUE;
 146 }
 147
 148 static WCHAR *load_script( const char *filename )
 149 {
 150     HANDLE handle;
 151     DWORD size, bytes_read;
 152     char *buffer;
 153     int len;
 154     WCHAR *script = NULL;
 155
 156     handle = CreateFileA( filename, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, 0 );
 157     if (handle == INVALID_HANDLE_VALUE) return NULL;
 158
 159     size = GetFileSize( handle, NULL );
 160     if (!(buffer = heap_alloc( size ))) goto done;
 161     if (!ReadFile( handle, buffer, size, &bytes_read, NULL ) || bytes_read != size) goto done;
 162
 163     len = MultiByteToWideChar( CP_ACP, 0, buffer, size, NULL, 0 );
 164     if (!(script = heap_alloc( (len + 1) * sizeof(WCHAR) ))) goto done;
 165     MultiByteToWideChar( CP_ACP, 0, buffer, size, script, len );
 166     script[len] = 0;
 167
 168 done:
 169     CloseHandle( handle );
 170     heap_free( buffer );
 171     return script;
 172 }
 173
 174 /******************************************************************
 175  *      InternetInitializeAutoProxyDll (jsproxy.@)
 176  */
 177 BOOL WINAPI JSPROXY_InternetInitializeAutoProxyDll( DWORD version, LPSTR tmpfile, LPSTR mime,
 178                                                     AutoProxyHelperFunctions *callbacks,
 179                                                     LPAUTO_PROXY_SCRIPT_BUFFER buffer )
 180 {
 181     BOOL ret = FALSE;
 182
 183     TRACE( "%u, %s, %s, %p, %p\n", version, debugstr_a(tmpfile), debugstr_a(mime), callbacks, buffer );
 184
 185     if (callbacks) FIXME( "callbacks not supported\n" );
 186
 187     EnterCriticalSection( &cs_jsproxy );
 188
 189     if (buffer && buffer->dwStructSize == sizeof(*buffer) && buffer->lpszScriptBuffer)
 190     {
 191         heap_free( global_script->text );
 192         if( (global_script->text = strdupAW( buffer->lpszScriptBuffer, buffer->dwScriptBufferSize ))) ret = TRUE;
 193     }
 194     else
 195     {
 196         heap_free( global_script->text );
 197         if ((global_script->text = load_script( tmpfile ))) ret = TRUE;
 198     }
 199
 200     LeaveCriticalSection( &cs_jsproxy );
 201     return ret;
 202 }
 203
 204 static HRESULT WINAPI dispex_QueryInterface(
 205     IDispatchEx *iface, REFIID riid, void **ppv )
 206 {
 207     *ppv = NULL;
 208
 209     if (IsEqualGUID( riid, &IID_IUnknown )  ||
 210         IsEqualGUID( riid, &IID_IDispatch ) ||
 211         IsEqualGUID( riid, &IID_IDispatchEx ))
 212         *ppv = iface;
 213     else
 214         return E_NOINTERFACE;
 215
 216     return S_OK;
 217 }
 218
 219 static ULONG WINAPI dispex_AddRef(
 220     IDispatchEx *iface )
 221 {
 222     return 2;
 223 }
 224
 225 static ULONG WINAPI dispex_Release(
 226     IDispatchEx *iface )
 227 {
 228     return 1;
 229 }
 230
 231 static HRESULT WINAPI dispex_GetTypeInfoCount(
 232     IDispatchEx *iface, UINT *info )
 233 {
 234     return E_NOTIMPL;
 235 }
 236
 237 static HRESULT WINAPI dispex_GetTypeInfo(
 238     IDispatchEx *iface, UINT info, LCID lcid, ITypeInfo **type_info )
 239 {
 240     return E_NOTIMPL;
 241 }
 242
 243 static HRESULT WINAPI dispex_GetIDsOfNames(
 244     IDispatchEx *iface, REFIID riid, LPOLESTR *names, UINT count, LCID lcid, DISPID *id )
 245 {
 246     return E_NOTIMPL;
 247 }
 248
 249 static HRESULT WINAPI dispex_Invoke(
 250     IDispatchEx *iface, DISPID member, REFIID riid, LCID lcid, WORD flags,
 251     DISPPARAMS *params, VARIANT *result, EXCEPINFO *excep, UINT *err )
 252 {
 253     return E_NOTIMPL;
 254 }
 255
 256 static HRESULT WINAPI dispex_DeleteMemberByName(
 257     IDispatchEx *iface, BSTR name, DWORD flags )
 258 {
 259     return E_NOTIMPL;
 260 }
 261
 262 static HRESULT WINAPI dispex_DeleteMemberByDispID(
 263     IDispatchEx *iface, DISPID id )
 264 {
 265     return E_NOTIMPL;
 266 }
 267
 268 static HRESULT WINAPI dispex_GetMemberProperties(
 269     IDispatchEx *iface, DISPID id, DWORD flags_fetch, DWORD *flags )
 270 {
 271     return E_NOTIMPL;
 272 }
 273
 274 static HRESULT WINAPI dispex_GetMemberName(
 275     IDispatchEx *iface, DISPID id, BSTR *name )
 276 {
 277     return E_NOTIMPL;
 278 }
 279
 280 static HRESULT WINAPI dispex_GetNextDispID(
 281     IDispatchEx *iface, DWORD flags, DISPID id, DISPID *next )
 282 {
 283     return E_NOTIMPL;
 284 }
 285
 286 static HRESULT WINAPI dispex_GetNameSpaceParent(
 287     IDispatchEx *iface, IUnknown **unk )
 288 {
 289     return E_NOTIMPL;
 290 }
 291
 292 #define DISPID_GLOBAL_DNSRESOLVE  0x1000
 293
 294 static HRESULT WINAPI dispex_GetDispID(
 295     IDispatchEx *iface, BSTR name, DWORD flags, DISPID *id )
 296 {
 297     if (!strcmpW( name, dns_resolveW ))
 298     {
 299         *id = DISPID_GLOBAL_DNSRESOLVE;
 300         return S_OK;
 301     }
 302     return DISP_E_UNKNOWNNAME;
 303 }
 304
 305 static char *get_computer_name( COMPUTER_NAME_FORMAT format )
 306 {
 307     char *ret;
 308     DWORD size = 0;
 309
 310     GetComputerNameExA( format, NULL, &size );
 311     if (GetLastError() != ERROR_MORE_DATA) return NULL;
 312     if (!(ret = heap_alloc( size ))) return NULL;
 313     if (!GetComputerNameExA( format, ret, &size ))
 314     {
 315         heap_free( ret );
 316         return NULL;
 317     }
 318     return ret;
 319 }
 320
 321 static void printf_addr( const WCHAR *fmt, WCHAR *buf, struct sockaddr_in *addr )
 322 {
 323     sprintfW( buf, fmt,
 324               (unsigned int)(ntohl( addr->sin_addr.s_addr ) >> 24 & 0xff),
 325               (unsigned int)(ntohl( addr->sin_addr.s_addr ) >> 16 & 0xff),
 326               (unsigned int)(ntohl( addr->sin_addr.s_addr ) >> 8 & 0xff),
 327               (unsigned int)(ntohl( addr->sin_addr.s_addr ) & 0xff) );
 328 }
 329
 330 static HRESULT dns_resolve( const WCHAR *hostname, VARIANT *result )
 331 {
 332 #ifdef HAVE_GETADDRINFO
 333         static const WCHAR fmtW[] = {'%','u','.','%','u','.','%','u','.','%','u',0};
 334         WCHAR addr[16];
 335         struct addrinfo *ai, *elem;
 336         char *hostnameA;
 337         int res;
 338
 339         if (hostname[0])
 340             hostnameA = strdupWA( hostname );
 341         else
 342             hostnameA = get_computer_name( ComputerNamePhysicalDnsFullyQualified );
 343
 344         if (!hostnameA) return E_OUTOFMEMORY;
 345         res = getaddrinfo( hostnameA, NULL, NULL, &ai );
 346         heap_free( hostnameA );
 347         if (res) return S_FALSE;
 348
 349         elem = ai;
 350         while (elem && elem->ai_family != AF_INET) elem = elem->ai_next;
 351         if (!elem)
 352         {
 353             freeaddrinfo( ai );
 354             return S_FALSE;
 355         }
 356         printf_addr( fmtW, addr, (struct sockaddr_in *)elem->ai_addr );
 357         freeaddrinfo( ai );
 358         V_VT( result ) = VT_BSTR;
 359         V_BSTR( result ) = SysAllocString( addr );
 360         return S_OK;
 361 #else
 362         FIXME("getaddrinfo not found at build time\n");
 363         return S_FALSE;
 364 #endif
 365 }
 366
 367 static HRESULT WINAPI dispex_InvokeEx(
 368     IDispatchEx *iface, DISPID id, LCID lcid, WORD flags, DISPPARAMS *params,
 369     VARIANT *result, EXCEPINFO *exep, IServiceProvider *caller )
 370 {
 371     if (id == DISPID_GLOBAL_DNSRESOLVE)
 372     {
 373         if (params->cArgs != 1) return DISP_E_BADPARAMCOUNT;
 374         if (V_VT(&params->rgvarg[0]) != VT_BSTR) return DISP_E_BADVARTYPE;
 375         return dns_resolve( V_BSTR(&params->rgvarg[0]), result );
 376     }
 377     return DISP_E_MEMBERNOTFOUND;
 378 }
 379
 380 static const IDispatchExVtbl dispex_vtbl =
 381 {
 382     dispex_QueryInterface,
 383     dispex_AddRef,
 384     dispex_Release,
 385     dispex_GetTypeInfoCount,
 386     dispex_GetTypeInfo,
 387     dispex_GetIDsOfNames,
 388     dispex_Invoke,
 389     dispex_GetDispID,
 390     dispex_InvokeEx,
 391     dispex_DeleteMemberByName,
 392     dispex_DeleteMemberByDispID,
 393     dispex_GetMemberProperties,
 394     dispex_GetMemberName,
 395     dispex_GetNextDispID,
 396     dispex_GetNameSpaceParent
 397 };
 398
 399 static IDispatchEx global_dispex = { &dispex_vtbl };
 400
 401 static HRESULT WINAPI site_QueryInterface(
 402     IActiveScriptSite *iface, REFIID riid, void **ppv )
 403 {
 404     *ppv = NULL;
 405
 406     if (IsEqualGUID( &IID_IUnknown, riid ))
 407         *ppv = iface;
 408     else if (IsEqualGUID( &IID_IActiveScriptSite, riid ))
 409         *ppv = iface;
 410     else
 411         return E_NOINTERFACE;
 412
 413     IUnknown_AddRef( (IUnknown *)*ppv );
 414     return S_OK;
 415 }
 416
 417 static ULONG WINAPI site_AddRef(
 418     IActiveScriptSite *iface )
 419 {
 420     return 2;
 421 }
 422
 423 static ULONG WINAPI site_Release(
 424     IActiveScriptSite *iface )
 425 {
 426     return 1;
 427 }
 428
 429 static HRESULT WINAPI site_GetLCID(
 430     IActiveScriptSite *iface, LCID *lcid )
 431 {
 432     return E_NOTIMPL;
 433 }
 434
 435 static HRESULT WINAPI site_GetItemInfo(
 436     IActiveScriptSite *iface, LPCOLESTR name, DWORD mask,
 437     IUnknown **item, ITypeInfo **type_info )
 438 {
 439     if (!strcmpW( name, global_funcsW ) && mask == SCRIPTINFO_IUNKNOWN)
 440     {
 441         *item = (IUnknown *)&global_dispex;
 442         return S_OK;
 443     }
 444     return E_NOTIMPL;
 445 }
 446
 447 static HRESULT WINAPI site_GetDocVersionString(
 448     IActiveScriptSite *iface, BSTR *version )
 449 {
 450     return E_NOTIMPL;
 451 }
 452
 453 static HRESULT WINAPI site_OnScriptTerminate(
 454     IActiveScriptSite *iface, const VARIANT *result, const EXCEPINFO *info )
 455 {
 456     return E_NOTIMPL;
 457 }
 458
 459 static HRESULT WINAPI site_OnStateChange(
 460     IActiveScriptSite *iface, SCRIPTSTATE state )
 461 {
 462     return E_NOTIMPL;
 463 }
 464
 465 static HRESULT WINAPI site_OnScriptError(
 466     IActiveScriptSite *iface, IActiveScriptError *error )
 467 {
 468     return E_NOTIMPL;
 469 }
 470
 471 static HRESULT WINAPI site_OnEnterScript(
 472     IActiveScriptSite *iface )
 473 {
 474     return E_NOTIMPL;
 475 }
 476
 477 static HRESULT WINAPI site_OnLeaveScript(
 478     IActiveScriptSite *iface )
 479 {
 480     return E_NOTIMPL;
 481 }
 482
 483 static const IActiveScriptSiteVtbl site_vtbl =
 484 {
 485     site_QueryInterface,
 486     site_AddRef,
 487     site_Release,
 488     site_GetLCID,
 489     site_GetItemInfo,
 490     site_GetDocVersionString,
 491     site_OnScriptTerminate,
 492     site_OnStateChange,
 493     site_OnScriptError,
 494     site_OnEnterScript,
 495     site_OnLeaveScript
 496 };
 497
 498 static IActiveScriptSite script_site = { &site_vtbl };
 499
 500 static BSTR include_pac_utils( const WCHAR *script )
 501 {
 502     static const WCHAR pacjsW[] = {'p','a','c','.','j','s',0};
 503     HMODULE hmod = GetModuleHandleA( "jsproxy.dll" );
 504     HRSRC rsrc;
 505     DWORD size;
 506     const char *data;
 507     BSTR ret;
 508     int len;
 509
 510     if (!(rsrc = FindResourceW( hmod, pacjsW, (LPCWSTR)40 ))) return NULL;
 511     size = SizeofResource( hmod, rsrc );
 512     data = LoadResource( hmod, rsrc );
 513
 514     len = MultiByteToWideChar( CP_ACP, 0, data, size, NULL, 0 );
 515     if (!(ret = SysAllocStringLen( NULL, len + strlenW( script ) + 1 ))) return NULL;
 516     MultiByteToWideChar( CP_ACP, 0, data, size, ret, len );
 517     strcpyW( ret + len, script );
 518     return ret;
 519 }
 520
 521 #ifdef _WIN64
 522 #define IActiveScriptParse_Release IActiveScriptParse64_Release
 523 #define IActiveScriptParse_InitNew IActiveScriptParse64_InitNew
 524 #define IActiveScriptParse_ParseScriptText IActiveScriptParse64_ParseScriptText
 525 #else
 526 #define IActiveScriptParse_Release IActiveScriptParse32_Release
 527 #define IActiveScriptParse_InitNew IActiveScriptParse32_InitNew
 528 #define IActiveScriptParse_ParseScriptText IActiveScriptParse32_ParseScriptText
 529 #endif
 530
 531 static BOOL run_script( const WCHAR *script, const WCHAR *url, const WCHAR *hostname, char **result_str, DWORD *result_len )
 532 {
 533     static const WCHAR jscriptW[] = {'J','S','c','r','i','p','t',0};
 534     static const WCHAR findproxyW[] = {'F','i','n','d','P','r','o','x','y','F','o','r','U','R','L',0};
 535     IActiveScriptParse *parser = NULL;
 536     IActiveScript *engine = NULL;
 537     IDispatch *dispatch = NULL;
 538     BOOL ret = FALSE;
 539     CLSID clsid;
 540     DISPID dispid;
 541     BSTR func = NULL, full_script = NULL;
 542     VARIANT args[2], retval;
 543     DISPPARAMS params;
 544     HRESULT hr, init;
 545
 546     init = CoInitialize( NULL );
 547     hr = CLSIDFromProgID( jscriptW, &clsid );
 548     if (hr != S_OK) goto done;
 549
 550     hr = CoCreateInstance( &clsid, NULL, CLSCTX_INPROC_SERVER|CLSCTX_INPROC_HANDLER,
 551                            &IID_IActiveScript, (void **)&engine );
 552     if (hr != S_OK) goto done;
 553
 554     hr = IActiveScript_QueryInterface( engine, &IID_IActiveScriptParse, (void **)&parser );
 555     if (hr != S_OK) goto done;
 556
 557     hr = IActiveScriptParse_InitNew( parser );
 558     if (hr != S_OK) goto done;
 559
 560     hr = IActiveScript_SetScriptSite( engine, &script_site );
 561     if (hr != S_OK) goto done;
 562
 563     hr = IActiveScript_AddNamedItem( engine, global_funcsW, SCRIPTITEM_GLOBALMEMBERS );
 564     if (hr != S_OK) goto done;
 565
 566     if (!(full_script = include_pac_utils( script ))) goto done;
 567
 568     hr = IActiveScriptParse_ParseScriptText( parser, full_script, NULL, NULL, NULL, 0, 0, 0, NULL, NULL );
 569     if (hr != S_OK) goto done;
 570
 571     hr = IActiveScript_SetScriptState( engine, SCRIPTSTATE_STARTED );
 572     if (hr != S_OK) goto done;
 573
 574     hr = IActiveScript_GetScriptDispatch( engine, NULL, &dispatch );
 575     if (hr != S_OK) goto done;
 576
 577     if (!(func = SysAllocString( findproxyW ))) goto done;
 578     hr = IDispatch_GetIDsOfNames( dispatch, &IID_NULL, &func, 1, LOCALE_SYSTEM_DEFAULT, &dispid );
 579     if (hr != S_OK) goto done;
 580
 581     V_VT( &args[0] ) = VT_BSTR;
 582     V_BSTR( &args[0] ) = SysAllocString( hostname );
 583     V_VT( &args[1] ) = VT_BSTR;
 584     V_BSTR( &args[1] ) = SysAllocString( url );
 585
 586     params.rgvarg = args;
 587     params.rgdispidNamedArgs = NULL;
 588     params.cArgs = 2;
 589     params.cNamedArgs = 0;
 590     hr = IDispatch_Invoke( dispatch, dispid, &IID_NULL, LOCALE_SYSTEM_DEFAULT, DISPATCH_METHOD,
 591                            &params, &retval, NULL, NULL );
 592     VariantClear( &args[0] );
 593     VariantClear( &args[1] );
 594     if (hr != S_OK)
 595     {
 596         WARN("script failed 0x%08x\n", hr);
 597         goto done;
 598     }
 599     if ((*result_str = strdupWA( V_BSTR( &retval ) )))
 600     {
 601         TRACE( "result: %s\n", debugstr_a(*result_str) );
 602         *result_len = strlen( *result_str ) + 1;
 603         ret = TRUE;
 604     }
 605     VariantClear( &retval );
 606
 607 done:
 608     SysFreeString( full_script );
 609     SysFreeString( func );
 610     if (dispatch) IDispatch_Release( dispatch );
 611     if (parser) IActiveScriptParse_Release( parser );
 612     if (engine) IActiveScript_Release( engine );
 613     if (SUCCEEDED( init )) CoUninitialize();
 614     return ret;
 615 }
 616
 617 /******************************************************************
 618  *      InternetGetProxyInfo (jsproxy.@)
 619  */
 620 BOOL WINAPI InternetGetProxyInfo( LPCSTR url, DWORD len_url, LPCSTR hostname, DWORD len_hostname, LPSTR *proxy,
 621                                   LPDWORD len_proxy )
 622 {
 623     WCHAR *urlW = NULL, *hostnameW = NULL;
 624     BOOL ret = FALSE;
 625
 626     TRACE( "%s, %u, %s, %u, %p, %p\n", url, len_url, hostname, len_hostname, proxy, len_proxy );
 627
 628     EnterCriticalSection( &cs_jsproxy );
 629
 630     if (!global_script->text) goto done;
 631     if (!(urlW = strdupAW( url, len_url ))) goto done;
 632     if (hostname && !(hostnameW = strdupAW( hostname, len_hostname ))) goto done;
 633
 634     TRACE( "%s\n", debugstr_w(global_script->text) );
 635     ret = run_script( global_script->text, urlW, hostnameW, proxy, len_proxy );
 636
 637 done:
 638     heap_free( hostnameW );
 639     heap_free( urlW );
 640     LeaveCriticalSection( &cs_jsproxy );
 641     return ret;
 642 }