dlls/msi/custom.c

   1 /*
   2  * Custom Action processing for the Microsoft Installer (msi.dll)
   3  *
   4  * Copyright 2005 Aric Stewart for CodeWeavers
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "config.h"
  22 #include "wine/port.h"
  23
  24 #define COBJMACROS
  25
  26 #include <stdarg.h>
  27 #include "windef.h"
  28 #include "winbase.h"
  29 #include "winerror.h"
  30 #include "msidefs.h"
  31 #include "winuser.h"
  32 #include "objbase.h"
  33 #include "oleauto.h"
  34
  35 #include "msipriv.h"
  36 #include "msiserver.h"
  37 #include "wine/debug.h"
  38 #include "wine/unicode.h"
  39 #include "wine/exception.h"
  40
  41 WINE_DEFAULT_DEBUG_CHANNEL(msi);
  42
  43 #define CUSTOM_ACTION_TYPE_MASK 0x3F
  44
  45 typedef struct tagMSIRUNNINGACTION
  46 {
  47     struct list entry;
  48     HANDLE handle;
  49     BOOL   process;
  50     LPWSTR name;
  51 } MSIRUNNINGACTION;
  52
  53 typedef UINT (WINAPI *MsiCustomActionEntryPoint)( MSIHANDLE );
  54
  55 static CRITICAL_SECTION msi_custom_action_cs;
  56 static CRITICAL_SECTION_DEBUG msi_custom_action_cs_debug =
  57 {
  58     0, 0, &msi_custom_action_cs,
  59     { &msi_custom_action_cs_debug.ProcessLocksList,
  60       &msi_custom_action_cs_debug.ProcessLocksList },
  61       0, 0, { (DWORD_PTR)(__FILE__ ": msi_custom_action_cs") }
  62 };
  63 static CRITICAL_SECTION msi_custom_action_cs = { &msi_custom_action_cs_debug, -1, 0, 0, 0, 0 };
  64
  65 static struct list msi_pending_custom_actions = LIST_INIT( msi_pending_custom_actions );
  66
  67 UINT msi_schedule_action( MSIPACKAGE *package, UINT script, const WCHAR *action )
  68 {
  69     UINT count;
  70     WCHAR **newbuf = NULL;
  71
  72     if (script >= SCRIPT_MAX)
  73     {
  74         FIXME("Unknown script requested %u\n", script);
  75         return ERROR_FUNCTION_FAILED;
  76     }
  77     TRACE("Scheduling action %s in script %u\n", debugstr_w(action), script);
  78
  79     count = package->script->ActionCount[script];
  80     package->script->ActionCount[script]++;
  81     if (count != 0) newbuf = msi_realloc( package->script->Actions[script],
  82                                           package->script->ActionCount[script] * sizeof(WCHAR *) );
  83     else newbuf = msi_alloc( sizeof(WCHAR *) );
  84
  85     newbuf[count] = strdupW( action );
  86     package->script->Actions[script] = newbuf;
  87     return ERROR_SUCCESS;
  88 }
  89
  90 UINT msi_register_unique_action( MSIPACKAGE *package, const WCHAR *action )
  91 {
  92     UINT count;
  93     WCHAR **newbuf = NULL;
  94
  95     if (!package->script) return FALSE;
  96
  97     TRACE("Registering %s as unique action\n", debugstr_w(action));
  98
  99     count = package->script->UniqueActionsCount;
 100     package->script->UniqueActionsCount++;
 101     if (count != 0) newbuf = msi_realloc( package->script->UniqueActions,
 102                                           package->script->UniqueActionsCount * sizeof(WCHAR *) );
 103     else newbuf = msi_alloc( sizeof(WCHAR *) );
 104
 105     newbuf[count] = strdupW( action );
 106     package->script->UniqueActions = newbuf;
 107     return ERROR_SUCCESS;
 108 }
 109
 110 BOOL msi_action_is_unique( const MSIPACKAGE *package, const WCHAR *action )
 111 {
 112     UINT i;
 113
 114     if (!package->script) return FALSE;
 115
 116     for (i = 0; i < package->script->UniqueActionsCount; i++)
 117     {
 118         if (!strcmpW( package->script->UniqueActions[i], action )) return TRUE;
 119     }
 120     return FALSE;
 121 }
 122
 123 static BOOL check_execution_scheduling_options(MSIPACKAGE *package, LPCWSTR action, UINT options)
 124 {
 125     if (!package->script)
 126         return TRUE;
 127
 128     if ((options & msidbCustomActionTypeClientRepeat) ==
 129             msidbCustomActionTypeClientRepeat)
 130     {
 131         if (!(package->script->InWhatSequence & SEQUENCE_UI &&
 132             package->script->InWhatSequence & SEQUENCE_EXEC))
 133         {
 134             TRACE("Skipping action due to dbCustomActionTypeClientRepeat option.\n");
 135             return FALSE;
 136         }
 137     }
 138     else if (options & msidbCustomActionTypeFirstSequence)
 139     {
 140         if (package->script->InWhatSequence & SEQUENCE_UI &&
 141             package->script->InWhatSequence & SEQUENCE_EXEC )
 142         {
 143             TRACE("Skipping action due to msidbCustomActionTypeFirstSequence option.\n");
 144             return FALSE;
 145         }
 146     }
 147     else if (options & msidbCustomActionTypeOncePerProcess)
 148     {
 149         if (msi_action_is_unique(package, action))
 150         {
 151             TRACE("Skipping action due to msidbCustomActionTypeOncePerProcess option.\n");
 152             return FALSE;
 153         }
 154         else
 155             msi_register_unique_action(package, action);
 156     }
 157
 158     return TRUE;
 159 }
 160
 161 /* stores the following properties before the action:
 162  *
 163  *    [CustomActionData<=>UserSID<=>ProductCode]Action
 164  */
 165 static LPWSTR msi_get_deferred_action(LPCWSTR action, LPCWSTR actiondata,
 166                                       LPCWSTR usersid, LPCWSTR prodcode)
 167 {
 168     LPWSTR deferred;
 169     DWORD len;
 170
 171     static const WCHAR format[] = {
 172             '[','%','s','<','=','>','%','s','<','=','>','%','s',']','%','s',0
 173     };
 174
 175     if (!actiondata)
 176         return strdupW(action);
 177
 178     len = lstrlenW(action) + lstrlenW(actiondata) +
 179           lstrlenW(usersid) + lstrlenW(prodcode) +
 180           lstrlenW(format) - 7;
 181     deferred = msi_alloc(len * sizeof(WCHAR));
 182
 183     sprintfW(deferred, format, actiondata, usersid, prodcode, action);
 184     return deferred;
 185 }
 186
 187 static void set_deferred_action_props( MSIPACKAGE *package, const WCHAR *deferred_data )
 188 {
 189     static const WCHAR sep[] = {'<','=','>',0};
 190     const WCHAR *end, *beg = deferred_data + 1;
 191
 192     end = strstrW(beg, sep);
 193     msi_set_property( package->db, szCustomActionData, beg, end - beg );
 194     beg = end + 3;
 195
 196     end = strstrW(beg, sep);
 197     msi_set_property( package->db, szUserSID, beg, end - beg );
 198     beg = end + 3;
 199
 200     end = strchrW(beg, ']');
 201     msi_set_property( package->db, szProductCode, beg, end - beg );
 202 }
 203
 204 WCHAR *msi_create_temp_file( MSIDATABASE *db )
 205 {
 206     WCHAR *ret;
 207
 208     if (!db->tempfolder)
 209     {
 210         WCHAR tmp[MAX_PATH];
 211         UINT len = sizeof(tmp)/sizeof(tmp[0]);
 212
 213         if (msi_get_property( db, szTempFolder, tmp, &len ) ||
 214             GetFileAttributesW( tmp ) != FILE_ATTRIBUTE_DIRECTORY)
 215         {
 216             GetTempPathW( MAX_PATH, tmp );
 217         }
 218         if (!(db->tempfolder = strdupW( tmp ))) return NULL;
 219     }
 220
 221     if ((ret = msi_alloc( (strlenW( db->tempfolder ) + 20) * sizeof(WCHAR) )))
 222     {
 223         if (!GetTempFileNameW( db->tempfolder, szMsi, 0, ret ))
 224         {
 225             msi_free( ret );
 226             return NULL;
 227         }
 228     }
 229
 230     return ret;
 231 }
 232
 233 static MSIBINARY *create_temp_binary( MSIPACKAGE *package, LPCWSTR source, BOOL dll )
 234 {
 235     static const WCHAR query[] = {
 236         'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
 237         '`','B','i' ,'n','a','r','y','`',' ','W','H','E','R','E',' ',
 238         '`','N','a','m','e','`',' ','=',' ','\'','%','s','\'',0};
 239     MSIRECORD *row;
 240     MSIBINARY *binary = NULL;
 241     HANDLE file;
 242     CHAR buffer[1024];
 243     WCHAR *tmpfile;
 244     DWORD sz, write;
 245     UINT r;
 246
 247     if (!(tmpfile = msi_create_temp_file( package->db ))) return NULL;
 248
 249     if (!(row = MSI_QueryGetRecord( package->db, query, source ))) goto error;
 250     if (!(binary = msi_alloc_zero( sizeof(MSIBINARY) ))) goto error;
 251
 252     file = CreateFileW( tmpfile, GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL );
 253     if (file == INVALID_HANDLE_VALUE) goto error;
 254
 255     do
 256     {
 257         sz = sizeof(buffer);
 258         r = MSI_RecordReadStream( row, 2, buffer, &sz );
 259         if (r != ERROR_SUCCESS)
 260         {
 261             ERR("Failed to get stream\n");
 262             break;
 263         }
 264         WriteFile( file, buffer, sz, &write, NULL );
 265     } while (sz == sizeof buffer);
 266
 267     CloseHandle( file );
 268     if (r != ERROR_SUCCESS) goto error;
 269
 270     /* keep a reference to prevent the dll from being unloaded */
 271     if (dll && !(binary->module = LoadLibraryW( tmpfile )))
 272     {
 273         WARN( "failed to load dll %s (%u)\n", debugstr_w( tmpfile ), GetLastError() );
 274     }
 275     binary->source = strdupW( source );
 276     binary->tmpfile = tmpfile;
 277     list_add_tail( &package->binaries, &binary->entry );
 278
 279     msiobj_release( &row->hdr );
 280     return binary;
 281
 282 error:
 283     if (row) msiobj_release( &row->hdr );
 284     DeleteFileW( tmpfile );
 285     msi_free( tmpfile );
 286     msi_free( binary );
 287     return NULL;
 288 }
 289
 290 static MSIBINARY *get_temp_binary( MSIPACKAGE *package, LPCWSTR source, BOOL dll )
 291 {
 292     MSIBINARY *binary;
 293
 294     LIST_FOR_EACH_ENTRY( binary, &package->binaries, MSIBINARY, entry )
 295     {
 296         if (!strcmpW( binary->source, source ))
 297             return binary;
 298     }
 299
 300     return create_temp_binary( package, source, dll );
 301 }
 302
 303 static void file_running_action(MSIPACKAGE* package, HANDLE Handle,
 304                                 BOOL process, LPCWSTR name)
 305 {
 306     MSIRUNNINGACTION *action;
 307
 308     action = msi_alloc( sizeof(MSIRUNNINGACTION) );
 309
 310     action->handle = Handle;
 311     action->process = process;
 312     action->name = strdupW(name);
 313
 314     list_add_tail( &package->RunningActions, &action->entry );
 315 }
 316
 317 static UINT custom_get_process_return( HANDLE process )
 318 {
 319     DWORD rc = 0;
 320
 321     GetExitCodeProcess( process, &rc );
 322     TRACE("exit code is %u\n", rc);
 323     if (rc != 0)
 324         return ERROR_FUNCTION_FAILED;
 325     return ERROR_SUCCESS;
 326 }
 327
 328 static UINT custom_get_thread_return( MSIPACKAGE *package, HANDLE thread )
 329 {
 330     DWORD rc = 0;
 331
 332     GetExitCodeThread( thread, &rc );
 333
 334     switch (rc)
 335     {
 336     case ERROR_FUNCTION_NOT_CALLED:
 337     case ERROR_SUCCESS:
 338     case ERROR_INSTALL_USEREXIT:
 339     case ERROR_INSTALL_FAILURE:
 340         return rc;
 341     case ERROR_NO_MORE_ITEMS:
 342         return ERROR_SUCCESS;
 343     case ERROR_INSTALL_SUSPEND:
 344         ACTION_ForceReboot( package );
 345         return ERROR_SUCCESS;
 346     default:
 347         ERR("Invalid Return Code %d\n",rc);
 348         return ERROR_INSTALL_FAILURE;
 349     }
 350 }
 351
 352 static UINT wait_process_handle(MSIPACKAGE* package, UINT type,
 353                            HANDLE ProcessHandle, LPCWSTR name)
 354 {
 355     UINT rc = ERROR_SUCCESS;
 356
 357     if (!(type & msidbCustomActionTypeAsync))
 358     {
 359         TRACE("waiting for %s\n", debugstr_w(name));
 360
 361         msi_dialog_check_messages(ProcessHandle);
 362
 363         if (!(type & msidbCustomActionTypeContinue))
 364             rc = custom_get_process_return(ProcessHandle);
 365
 366         CloseHandle(ProcessHandle);
 367     }
 368     else
 369     {
 370         TRACE("%s running in background\n", debugstr_w(name));
 371
 372         if (!(type & msidbCustomActionTypeContinue))
 373             file_running_action(package, ProcessHandle, TRUE, name);
 374         else
 375             CloseHandle(ProcessHandle);
 376     }
 377
 378     return rc;
 379 }
 380
 381 typedef struct _msi_custom_action_info {
 382     struct list entry;
 383     LONG refs;
 384     MSIPACKAGE *package;
 385     LPWSTR source;
 386     LPWSTR target;
 387     HANDLE handle;
 388     LPWSTR action;
 389     INT type;
 390     GUID guid;
 391 } msi_custom_action_info;
 392
 393 static void release_custom_action_data( msi_custom_action_info *info )
 394 {
 395     EnterCriticalSection( &msi_custom_action_cs );
 396
 397     if (!--info->refs)
 398     {
 399         list_remove( &info->entry );
 400         if (info->handle)
 401             CloseHandle( info->handle );
 402         msi_free( info->action );
 403         msi_free( info->source );
 404         msi_free( info->target );
 405         msiobj_release( &info->package->hdr );
 406         msi_free( info );
 407     }
 408
 409     LeaveCriticalSection( &msi_custom_action_cs );
 410 }
 411
 412 /* must be called inside msi_custom_action_cs if info is in the pending custom actions list */
 413 static void addref_custom_action_data( msi_custom_action_info *info )
 414 {
 415     info->refs++;
 416  }
 417
 418 static UINT wait_thread_handle( msi_custom_action_info *info )
 419 {
 420     UINT rc = ERROR_SUCCESS;
 421
 422     if (!(info->type & msidbCustomActionTypeAsync))
 423     {
 424         TRACE("waiting for %s\n", debugstr_w( info->action ));
 425
 426         msi_dialog_check_messages( info->handle );
 427
 428         if (!(info->type & msidbCustomActionTypeContinue))
 429             rc = custom_get_thread_return( info->package, info->handle );
 430
 431         release_custom_action_data( info );
 432     }
 433     else
 434     {
 435         TRACE("%s running in background\n", debugstr_w( info->action ));
 436     }
 437
 438     return rc;
 439 }
 440
 441 static msi_custom_action_info *find_action_by_guid( const GUID *guid )
 442 {
 443     msi_custom_action_info *info;
 444     BOOL found = FALSE;
 445
 446     EnterCriticalSection( &msi_custom_action_cs );
 447
 448     LIST_FOR_EACH_ENTRY( info, &msi_pending_custom_actions, msi_custom_action_info, entry )
 449     {
 450         if (IsEqualGUID( &info->guid, guid ))
 451         {
 452             addref_custom_action_data( info );
 453             found = TRUE;
 454             break;
 455         }
 456     }
 457
 458     LeaveCriticalSection( &msi_custom_action_cs );
 459
 460     if (!found)
 461         return NULL;
 462
 463     return info;
 464 }
 465
 466 static void handle_msi_break( LPCWSTR target )
 467 {
 468     LPWSTR msg;
 469     WCHAR val[MAX_PATH];
 470
 471     static const WCHAR MsiBreak[] = { 'M','s','i','B','r','e','a','k',0 };
 472     static const WCHAR WindowsInstaller[] = {
 473         'W','i','n','d','o','w','s',' ','I','n','s','t','a','l','l','e','r',0
 474     };
 475
 476     static const WCHAR format[] = {
 477         'T','o',' ','d','e','b','u','g',' ','y','o','u','r',' ',
 478         'c','u','s','t','o','m',' ','a','c','t','i','o','n',',',' ',
 479         'a','t','t','a','c','h',' ','y','o','u','r',' ','d','e','b','u','g','g','e','r',' ',
 480         't','o',' ','p','r','o','c','e','s','s',' ','%','i',' ','(','0','x','%','X',')',' ',
 481         'a','n','d',' ','p','r','e','s','s',' ','O','K',0
 482     };
 483
 484     if( !GetEnvironmentVariableW( MsiBreak, val, MAX_PATH ))
 485         return;
 486
 487     if( strcmpiW( val, target ))
 488         return;
 489
 490     msg = msi_alloc( (lstrlenW(format) + 10) * sizeof(WCHAR) );
 491     if (!msg)
 492         return;
 493
 494     wsprintfW( msg, format, GetCurrentProcessId(), GetCurrentProcessId());
 495     MessageBoxW( NULL, msg, WindowsInstaller, MB_OK);
 496     msi_free(msg);
 497     DebugBreak();
 498 }
 499
 500 static UINT get_action_info( const GUID *guid, INT *type, MSIHANDLE *handle,
 501                              BSTR *dll, BSTR *funcname,
 502                              IWineMsiRemotePackage **package )
 503 {
 504     IClassFactory *cf = NULL;
 505     IWineMsiRemoteCustomAction *rca = NULL;
 506     HRESULT r;
 507
 508     r = DllGetClassObject( &CLSID_WineMsiRemoteCustomAction,
 509                            &IID_IClassFactory, (LPVOID *)&cf );
 510     if (FAILED(r))
 511     {
 512         ERR("failed to get IClassFactory interface\n");
 513         return ERROR_FUNCTION_FAILED;
 514     }
 515
 516     r = IClassFactory_CreateInstance( cf, NULL, &IID_IWineMsiRemoteCustomAction, (LPVOID *)&rca );
 517     if (FAILED(r))
 518     {
 519         ERR("failed to get IWineMsiRemoteCustomAction interface\n");
 520         return ERROR_FUNCTION_FAILED;
 521     }
 522
 523     r = IWineMsiRemoteCustomAction_GetActionInfo( rca, guid, type, handle, dll, funcname, package );
 524     IWineMsiRemoteCustomAction_Release( rca );
 525     if (FAILED(r))
 526     {
 527         ERR("GetActionInfo failed\n");
 528         return ERROR_FUNCTION_FAILED;
 529     }
 530
 531     return ERROR_SUCCESS;
 532 }
 533
 534 #ifdef __i386__
 535 extern UINT CUSTOMPROC_wrapper( MsiCustomActionEntryPoint proc, MSIHANDLE handle );
 536 __ASM_GLOBAL_FUNC( CUSTOMPROC_wrapper,
 537     "pushl %ebp\n\t"
 538     __ASM_CFI(".cfi_adjust_cfa_offset 4\n\t")
 539     __ASM_CFI(".cfi_rel_offset %ebp,0\n\t")
 540     "movl %esp,%ebp\n\t"
 541     __ASM_CFI(".cfi_def_cfa_register %ebp\n\t")
 542     "subl $4,%esp\n\t"
 543     "pushl 12(%ebp)\n\t"
 544     "movl 8(%ebp),%eax\n\t"
 545     "call *%eax\n\t"
 546     "leave\n\t"
 547     __ASM_CFI(".cfi_def_cfa %esp,4\n\t")
 548     __ASM_CFI(".cfi_same_value %ebp\n\t")
 549     "ret" )
 550 #else
 551 static inline UINT CUSTOMPROC_wrapper( MsiCustomActionEntryPoint proc, MSIHANDLE handle )
 552 {
 553     return proc(handle);
 554 }
 555 #endif
 556
 557 static DWORD ACTION_CallDllFunction( const GUID *guid )
 558 {
 559     MsiCustomActionEntryPoint fn;
 560     MSIHANDLE hPackage, handle;
 561     HANDLE hModule;
 562     LPSTR proc;
 563     UINT r = ERROR_FUNCTION_FAILED;
 564     BSTR dll = NULL, function = NULL;
 565     INT type;
 566     IWineMsiRemotePackage *remote_package = NULL;
 567
 568     TRACE("%s\n", debugstr_guid( guid ));
 569
 570     r = get_action_info( guid, &type, &handle, &dll, &function, &remote_package );
 571     if (r != ERROR_SUCCESS)
 572         return r;
 573
 574     hModule = LoadLibraryW( dll );
 575     if (!hModule)
 576     {
 577         WARN( "failed to load dll %s (%u)\n", debugstr_w( dll ), GetLastError() );
 578         return ERROR_SUCCESS;
 579     }
 580
 581     proc = strdupWtoA( function );
 582     fn = (MsiCustomActionEntryPoint) GetProcAddress( hModule, proc );
 583     msi_free( proc );
 584     if (fn)
 585     {
 586         hPackage = alloc_msi_remote_handle( (IUnknown *)remote_package );
 587         if (hPackage)
 588         {
 589             IWineMsiRemotePackage_SetMsiHandle( remote_package, handle );
 590             TRACE("calling %s\n", debugstr_w( function ) );
 591             handle_msi_break( function );
 592
 593             __TRY
 594             {
 595                 r = CUSTOMPROC_wrapper( fn, hPackage );
 596             }
 597             __EXCEPT_PAGE_FAULT
 598             {
 599                 ERR("Custom action (%s:%s) caused a page fault: %08x\n",
 600                     debugstr_w(dll), debugstr_w(function), GetExceptionCode());
 601                 r = ERROR_SUCCESS;
 602             }
 603             __ENDTRY;
 604
 605             MsiCloseHandle( hPackage );
 606         }
 607         else
 608             ERR("failed to create handle for %p\n", remote_package );
 609     }
 610     else
 611         ERR("GetProcAddress(%s) failed\n", debugstr_w( function ) );
 612
 613     FreeLibrary(hModule);
 614
 615     IWineMsiRemotePackage_Release( remote_package );
 616     SysFreeString( dll );
 617     SysFreeString( function );
 618     MsiCloseHandle( handle );
 619
 620     return r;
 621 }
 622
 623 static DWORD WINAPI DllThread( LPVOID arg )
 624 {
 625     LPGUID guid = arg;
 626     DWORD rc = 0;
 627
 628     TRACE("custom action (%x) started\n", GetCurrentThreadId() );
 629
 630     rc = ACTION_CallDllFunction( guid );
 631
 632     TRACE("custom action (%x) returned %i\n", GetCurrentThreadId(), rc );
 633
 634     MsiCloseAllHandles();
 635     return rc;
 636 }
 637
 638 static msi_custom_action_info *do_msidbCustomActionTypeDll(
 639     MSIPACKAGE *package, INT type, LPCWSTR source, LPCWSTR target, LPCWSTR action )
 640 {
 641     msi_custom_action_info *info;
 642
 643     info = msi_alloc( sizeof *info );
 644     if (!info)
 645         return NULL;
 646
 647     msiobj_addref( &package->hdr );
 648     info->refs = 2; /* 1 for our caller and 1 for thread we created */
 649     info->package = package;
 650     info->type = type;
 651     info->target = strdupW( target );
 652     info->source = strdupW( source );
 653     info->action = strdupW( action );
 654     CoCreateGuid( &info->guid );
 655
 656     EnterCriticalSection( &msi_custom_action_cs );
 657     list_add_tail( &msi_pending_custom_actions, &info->entry );
 658     LeaveCriticalSection( &msi_custom_action_cs );
 659
 660     info->handle = CreateThread( NULL, 0, DllThread, &info->guid, 0, NULL );
 661     if (!info->handle)
 662     {
 663         /* release both references */
 664         release_custom_action_data( info );
 665         release_custom_action_data( info );
 666         return NULL;
 667     }
 668
 669     return info;
 670 }
 671
 672 static UINT HANDLE_CustomType1( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
 673                                 INT type, const WCHAR *action )
 674 {
 675     msi_custom_action_info *info;
 676     MSIBINARY *binary;
 677
 678     if (!(binary = get_temp_binary( package, source, TRUE )))
 679         return ERROR_FUNCTION_FAILED;
 680
 681     TRACE("Calling function %s from %s\n", debugstr_w(target), debugstr_w(binary->tmpfile));
 682
 683     info = do_msidbCustomActionTypeDll( package, type, binary->tmpfile, target, action );
 684     return wait_thread_handle( info );
 685 }
 686
 687 static HANDLE execute_command( const WCHAR *app, WCHAR *arg, const WCHAR *dir )
 688 {
 689     static const WCHAR dotexeW[] = {'.','e','x','e',0};
 690     STARTUPINFOW si;
 691     PROCESS_INFORMATION info;
 692     WCHAR *exe = NULL, *cmd = NULL, *p;
 693     BOOL ret;
 694
 695     if (app)
 696     {
 697         int len_arg = 0;
 698         DWORD len_exe;
 699
 700         if (!(exe = msi_alloc( MAX_PATH * sizeof(WCHAR) ))) return INVALID_HANDLE_VALUE;
 701         len_exe = SearchPathW( NULL, app, dotexeW, MAX_PATH, exe, NULL );
 702         if (len_exe >= MAX_PATH)
 703         {
 704             msi_free( exe );
 705             if (!(exe = msi_alloc( len_exe * sizeof(WCHAR) ))) return INVALID_HANDLE_VALUE;
 706             len_exe = SearchPathW( NULL, app, dotexeW, len_exe, exe, NULL );
 707         }
 708         if (!len_exe)
 709         {
 710             WARN("can't find executable %u\n", GetLastError());
 711             msi_free( exe );
 712             return INVALID_HANDLE_VALUE;
 713         }
 714
 715         if (arg) len_arg = strlenW( arg );
 716         if (!(cmd = msi_alloc( (len_exe + len_arg + 4) * sizeof(WCHAR) )))
 717         {
 718             msi_free( exe );
 719             return INVALID_HANDLE_VALUE;
 720         }
 721         p = cmd;
 722         if (strchrW( exe, ' ' ))
 723         {
 724             *p++ = '\"';
 725             memcpy( p, exe, len_exe * sizeof(WCHAR) );
 726             p += len_exe;
 727             *p++ = '\"';
 728             *p = 0;
 729         }
 730         else
 731         {
 732             strcpyW( p, exe );
 733             p += len_exe;
 734         }
 735         if (arg)
 736         {
 737             *p++ = ' ';
 738             memcpy( p, arg, len_arg * sizeof(WCHAR) );
 739             p[len_arg] = 0;
 740         }
 741     }
 742     memset( &si, 0, sizeof(STARTUPINFOW) );
 743     ret = CreateProcessW( exe, exe ? cmd : arg, NULL, NULL, FALSE, 0, NULL, dir, &si, &info );
 744     msi_free( cmd );
 745     msi_free( exe );
 746     if (!ret)
 747     {
 748         WARN("unable to execute command %u\n", GetLastError());
 749         return INVALID_HANDLE_VALUE;
 750     }
 751     CloseHandle( info.hThread );
 752     return info.hProcess;
 753 }
 754
 755 static UINT HANDLE_CustomType2( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
 756                                 INT type, const WCHAR *action )
 757 {
 758     MSIBINARY *binary;
 759     HANDLE handle;
 760     WCHAR *arg;
 761
 762     if (!(binary = get_temp_binary( package, source, FALSE ))) return ERROR_FUNCTION_FAILED;
 763
 764     deformat_string( package, target, &arg );
 765     TRACE("exe %s arg %s\n", debugstr_w(binary->tmpfile), debugstr_w(arg));
 766
 767     handle = execute_command( binary->tmpfile, arg, szCRoot );
 768     msi_free( arg );
 769     if (handle == INVALID_HANDLE_VALUE) return ERROR_SUCCESS;
 770     return wait_process_handle( package, type, handle, action );
 771 }
 772
 773 static UINT HANDLE_CustomType17( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
 774                                  INT type, const WCHAR *action )
 775 {
 776     msi_custom_action_info *info;
 777     MSIFILE *file;
 778
 779     TRACE("%s %s\n", debugstr_w(source), debugstr_w(target));
 780
 781     file = msi_get_loaded_file( package, source );
 782     if (!file)
 783     {
 784         ERR("invalid file key %s\n", debugstr_w( source ));
 785         return ERROR_FUNCTION_FAILED;
 786     }
 787
 788     info = do_msidbCustomActionTypeDll( package, type, file->TargetPath, target, action );
 789     return wait_thread_handle( info );
 790 }
 791
 792 static UINT HANDLE_CustomType18( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
 793                                  INT type, const WCHAR *action )
 794 {
 795     MSIFILE *file;
 796     HANDLE handle;
 797     WCHAR *arg;
 798
 799     if (!(file = msi_get_loaded_file( package, source ))) return ERROR_FUNCTION_FAILED;
 800
 801     deformat_string( package, target, &arg );
 802     TRACE("exe %s arg %s\n", debugstr_w(file->TargetPath), debugstr_w(arg));
 803
 804     handle = execute_command( file->TargetPath, arg, szCRoot );
 805     msi_free( arg );
 806     if (handle == INVALID_HANDLE_VALUE) return ERROR_SUCCESS;
 807     return wait_process_handle( package, type, handle, action );
 808 }
 809
 810 static UINT HANDLE_CustomType19( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
 811                                  INT type, const WCHAR *action )
 812 {
 813     static const WCHAR query[] = {
 814       'S','E','L','E','C','T',' ','`','M','e','s','s','a','g','e','`',' ',
 815       'F','R','O','M',' ','`','E','r','r','o','r','`',' ',
 816       'W','H','E','R','E',' ','`','E','r','r','o','r','`',' ','=',' ',
 817       '%','s',0
 818     };
 819     MSIRECORD *row = 0;
 820     LPWSTR deformated = NULL;
 821
 822     deformat_string( package, target, &deformated );
 823
 824     /* first try treat the error as a number */
 825     row = MSI_QueryGetRecord( package->db, query, deformated );
 826     if( row )
 827     {
 828         LPCWSTR error = MSI_RecordGetString( row, 1 );
 829         if ((package->ui_level & INSTALLUILEVEL_MASK) != INSTALLUILEVEL_NONE)
 830             MessageBoxW( NULL, error, NULL, MB_OK );
 831         msiobj_release( &row->hdr );
 832     }
 833     else if ((package->ui_level & INSTALLUILEVEL_MASK) != INSTALLUILEVEL_NONE)
 834         MessageBoxW( NULL, deformated, NULL, MB_OK );
 835
 836     msi_free( deformated );
 837
 838     return ERROR_INSTALL_FAILURE;
 839 }
 840
 841 static UINT HANDLE_CustomType23( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
 842                                  INT type, const WCHAR *action )
 843 {
 844     static const WCHAR msiexecW[] = {'m','s','i','e','x','e','c',0};
 845     static const WCHAR paramsW[] = {'/','q','b',' ','/','i',' '};
 846     WCHAR *dir, *arg, *p;
 847     UINT len_src, len_dir, len_tgt, len = sizeof(paramsW)/sizeof(paramsW[0]);
 848     HANDLE handle;
 849
 850     if (!(dir = msi_dup_property( package->db, szOriginalDatabase ))) return ERROR_OUTOFMEMORY;
 851     if (!(p = strrchrW( dir, '\\' )) && !(p = strrchrW( dir, '/' )))
 852     {
 853         msi_free( dir );
 854         return ERROR_FUNCTION_FAILED;
 855     }
 856     *p = 0;
 857     len_dir = p - dir;
 858     len_src = strlenW( source );
 859     len_tgt = strlenW( target );
 860     if (!(arg = msi_alloc( (len + len_dir + len_src + len_tgt + 5) * sizeof(WCHAR) )))
 861     {
 862         msi_free( dir );
 863         return ERROR_OUTOFMEMORY;
 864     }
 865     memcpy( arg, paramsW, sizeof(paramsW) );
 866     arg[len++] = '"';
 867     memcpy( arg + len, dir, len_dir * sizeof(WCHAR) );
 868     len += len_dir;
 869     arg[len++] = '\\';
 870     memcpy( arg + len, source, len_src * sizeof(WCHAR) );
 871     len += len_src;
 872     arg[len++] = '"';
 873     arg[len++] = ' ';
 874     strcpyW( arg + len, target );
 875
 876     TRACE("installing %s concurrently\n", debugstr_w(source));
 877
 878     handle = execute_command( msiexecW, arg, dir );
 879     msi_free( dir );
 880     msi_free( arg );
 881     if (handle == INVALID_HANDLE_VALUE) return ERROR_SUCCESS;
 882     return wait_process_handle( package, type, handle, action );
 883 }
 884
 885 static UINT HANDLE_CustomType50( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
 886                                  INT type, const WCHAR *action )
 887 {
 888     WCHAR *exe, *arg;
 889     HANDLE handle;
 890
 891     if (!(exe = msi_dup_property( package->db, source ))) return ERROR_SUCCESS;
 892
 893     deformat_string( package, target, &arg );
 894     TRACE("exe %s arg %s\n", debugstr_w(exe), debugstr_w(arg));
 895
 896     handle = execute_command( exe, arg, szCRoot );
 897     msi_free( exe );
 898     msi_free( arg );
 899     if (handle == INVALID_HANDLE_VALUE) return ERROR_SUCCESS;
 900     return wait_process_handle( package, type, handle, action );
 901 }
 902
 903 static UINT HANDLE_CustomType34( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
 904                                  INT type, const WCHAR *action )
 905 {
 906     const WCHAR *workingdir = NULL;
 907     HANDLE handle;
 908     WCHAR *cmd;
 909
 910     if (source)
 911     {
 912         workingdir = msi_get_target_folder( package, source );
 913         if (!workingdir) return ERROR_FUNCTION_FAILED;
 914     }
 915     deformat_string( package, target, &cmd );
 916     if (!cmd) return ERROR_FUNCTION_FAILED;
 917
 918     TRACE("cmd %s dir %s\n", debugstr_w(cmd), debugstr_w(workingdir));
 919
 920     handle = execute_command( NULL, cmd, workingdir );
 921     msi_free( cmd );
 922     if (handle == INVALID_HANDLE_VALUE) return ERROR_SUCCESS;
 923     return wait_process_handle( package, type, handle, action );
 924 }
 925
 926 static DWORD ACTION_CallScript( const GUID *guid )
 927 {
 928     msi_custom_action_info *info;
 929     MSIHANDLE hPackage;
 930     UINT r = ERROR_FUNCTION_FAILED;
 931
 932     info = find_action_by_guid( guid );
 933     if (!info)
 934     {
 935         ERR("failed to find action %s\n", debugstr_guid( guid) );
 936         return ERROR_FUNCTION_FAILED;
 937     }
 938
 939     TRACE("function %s, script %s\n", debugstr_w( info->target ), debugstr_w( info->source ) );
 940
 941     hPackage = alloc_msihandle( &info->package->hdr );
 942     if (hPackage)
 943     {
 944         r = call_script( hPackage, info->type, info->source, info->target, info->action );
 945         TRACE("script returned %u\n", r);
 946         MsiCloseHandle( hPackage );
 947     }
 948     else
 949         ERR("failed to create handle for %p\n", info->package );
 950
 951     release_custom_action_data( info );
 952     return r;
 953 }
 954
 955 static DWORD WINAPI ScriptThread( LPVOID arg )
 956 {
 957     LPGUID guid = arg;
 958     DWORD rc;
 959
 960     TRACE("custom action (%x) started\n", GetCurrentThreadId() );
 961
 962     rc = ACTION_CallScript( guid );
 963
 964     TRACE("custom action (%x) returned %i\n", GetCurrentThreadId(), rc );
 965
 966     MsiCloseAllHandles();
 967     return rc;
 968 }
 969
 970 static msi_custom_action_info *do_msidbCustomActionTypeScript(
 971     MSIPACKAGE *package, INT type, LPCWSTR script, LPCWSTR function, LPCWSTR action )
 972 {
 973     msi_custom_action_info *info;
 974
 975     info = msi_alloc( sizeof *info );
 976     if (!info)
 977         return NULL;
 978
 979     msiobj_addref( &package->hdr );
 980     info->refs = 2; /* 1 for our caller and 1 for thread we created */
 981     info->package = package;
 982     info->type = type;
 983     info->target = strdupW( function );
 984     info->source = strdupW( script );
 985     info->action = strdupW( action );
 986     CoCreateGuid( &info->guid );
 987
 988     EnterCriticalSection( &msi_custom_action_cs );
 989     list_add_tail( &msi_pending_custom_actions, &info->entry );
 990     LeaveCriticalSection( &msi_custom_action_cs );
 991
 992     info->handle = CreateThread( NULL, 0, ScriptThread, &info->guid, 0, NULL );
 993     if (!info->handle)
 994     {
 995         /* release both references */
 996         release_custom_action_data( info );
 997         release_custom_action_data( info );
 998         return NULL;
 999     }
1000
1001     return info;
1002 }
1003
1004 static UINT HANDLE_CustomType37_38( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
1005                                     INT type, const WCHAR *action )
1006 {
1007     msi_custom_action_info *info;
1008
1009     TRACE("%s %s\n", debugstr_w(source), debugstr_w(target));
1010
1011     info = do_msidbCustomActionTypeScript( package, type, target, NULL, action );
1012     return wait_thread_handle( info );
1013 }
1014
1015 static UINT HANDLE_CustomType5_6( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
1016                                   INT type, const WCHAR *action )
1017 {
1018     static const WCHAR query[] = {
1019         'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
1020         '`','B','i' ,'n','a','r','y','`',' ','W','H','E','R','E',' ',
1021         '`','N','a','m','e','`',' ','=',' ','\'','%','s','\'',0};
1022     MSIRECORD *row = NULL;
1023     msi_custom_action_info *info;
1024     CHAR *buffer = NULL;
1025     WCHAR *bufferw = NULL;
1026     DWORD sz = 0;
1027     UINT r;
1028
1029     TRACE("%s %s\n", debugstr_w(source), debugstr_w(target));
1030
1031     row = MSI_QueryGetRecord(package->db, query, source);
1032     if (!row)
1033         return ERROR_FUNCTION_FAILED;
1034
1035     r = MSI_RecordReadStream(row, 2, NULL, &sz);
1036     if (r != ERROR_SUCCESS) goto done;
1037
1038     buffer = msi_alloc( sz + 1 );
1039     if (!buffer)
1040     {
1041        r = ERROR_FUNCTION_FAILED;
1042        goto done;
1043     }
1044
1045     r = MSI_RecordReadStream(row, 2, buffer, &sz);
1046     if (r != ERROR_SUCCESS)
1047         goto done;
1048
1049     buffer[sz] = 0;
1050     bufferw = strdupAtoW(buffer);
1051     if (!bufferw)
1052     {
1053         r = ERROR_FUNCTION_FAILED;
1054         goto done;
1055     }
1056
1057     info = do_msidbCustomActionTypeScript( package, type, bufferw, target, action );
1058     r = wait_thread_handle( info );
1059
1060 done:
1061     msi_free(bufferw);
1062     msi_free(buffer);
1063     msiobj_release(&row->hdr);
1064     return r;
1065 }
1066
1067 static UINT HANDLE_CustomType21_22( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
1068                                     INT type, const WCHAR *action )
1069 {
1070     msi_custom_action_info *info;
1071     MSIFILE *file;
1072     HANDLE hFile;
1073     DWORD sz, szHighWord = 0, read;
1074     CHAR *buffer=NULL;
1075     WCHAR *bufferw=NULL;
1076     BOOL bRet;
1077     UINT r;
1078
1079     TRACE("%s %s\n", debugstr_w(source), debugstr_w(target));
1080
1081     file = msi_get_loaded_file(package, source);
1082     if (!file)
1083     {
1084         ERR("invalid file key %s\n", debugstr_w(source));
1085         return ERROR_FUNCTION_FAILED;
1086     }
1087
1088     hFile = CreateFileW(file->TargetPath, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
1089     if (hFile == INVALID_HANDLE_VALUE) return ERROR_FUNCTION_FAILED;
1090
1091     sz = GetFileSize(hFile, &szHighWord);
1092     if (sz == INVALID_FILE_SIZE || szHighWord != 0)
1093     {
1094         CloseHandle(hFile);
1095         return ERROR_FUNCTION_FAILED;
1096     }
1097     buffer = msi_alloc( sz + 1 );
1098     if (!buffer)
1099     {
1100         CloseHandle(hFile);
1101         return ERROR_FUNCTION_FAILED;
1102     }
1103     bRet = ReadFile(hFile, buffer, sz, &read, NULL);
1104     CloseHandle(hFile);
1105     if (!bRet)
1106     {
1107         r = ERROR_FUNCTION_FAILED;
1108         goto done;
1109     }
1110     buffer[read] = 0;
1111     bufferw = strdupAtoW(buffer);
1112     if (!bufferw)
1113     {
1114         r = ERROR_FUNCTION_FAILED;
1115         goto done;
1116     }
1117     info = do_msidbCustomActionTypeScript( package, type, bufferw, target, action );
1118     r = wait_thread_handle( info );
1119
1120 done:
1121     msi_free(bufferw);
1122     msi_free(buffer);
1123     return r;
1124 }
1125
1126 static UINT HANDLE_CustomType53_54( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
1127                                     INT type, const WCHAR *action )
1128 {
1129     msi_custom_action_info *info;
1130     WCHAR *prop;
1131
1132     TRACE("%s %s\n", debugstr_w(source), debugstr_w(target));
1133
1134     prop = msi_dup_property( package->db, source );
1135     if (!prop) return ERROR_SUCCESS;
1136
1137     info = do_msidbCustomActionTypeScript( package, type, prop, NULL, action );
1138     msi_free(prop);
1139     return wait_thread_handle( info );
1140 }
1141
1142 static BOOL action_type_matches_script( UINT type, UINT script )
1143 {
1144     switch (script)
1145     {
1146     case SCRIPT_NONE:
1147     case SCRIPT_INSTALL:
1148         return !(type & msidbCustomActionTypeCommit) && !(type & msidbCustomActionTypeRollback);
1149     case SCRIPT_COMMIT:
1150         return (type & msidbCustomActionTypeCommit);
1151     case SCRIPT_ROLLBACK:
1152         return (type & msidbCustomActionTypeRollback);
1153     default:
1154         ERR("unhandled script %u\n", script);
1155     }
1156     return FALSE;
1157 }
1158
1159 static UINT defer_custom_action( MSIPACKAGE *package, const WCHAR *action, UINT type )
1160 {
1161     WCHAR *actiondata = msi_dup_property( package->db, action );
1162     WCHAR *usersid = msi_dup_property( package->db, szUserSID );
1163     WCHAR *prodcode = msi_dup_property( package->db, szProductCode );
1164     WCHAR *deferred = msi_get_deferred_action( action, actiondata, usersid, prodcode );
1165
1166     if (!deferred)
1167     {
1168         msi_free( actiondata );
1169         msi_free( usersid );
1170         msi_free( prodcode );
1171         return ERROR_OUTOFMEMORY;
1172     }
1173     if (type & msidbCustomActionTypeCommit)
1174     {
1175         TRACE("deferring commit action\n");
1176         msi_schedule_action( package, SCRIPT_COMMIT, deferred );
1177     }
1178     else if (type & msidbCustomActionTypeRollback)
1179     {
1180         TRACE("deferring rollback action\n");
1181         msi_schedule_action( package, SCRIPT_ROLLBACK, deferred );
1182     }
1183     else
1184     {
1185         TRACE("deferring install action\n");
1186         msi_schedule_action( package, SCRIPT_INSTALL, deferred );
1187     }
1188
1189     msi_free( actiondata );
1190     msi_free( usersid );
1191     msi_free( prodcode );
1192     msi_free( deferred );
1193     return ERROR_SUCCESS;
1194 }
1195
1196 UINT ACTION_CustomAction( MSIPACKAGE *package, LPCWSTR action, UINT script )
1197 {
1198     static const WCHAR query[] = {
1199         'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
1200         '`','C','u','s','t','o','m','A','c','t','i','o','n','`',' ','W','H','E','R','E',' ',
1201         '`','A','c','t','i' ,'o','n','`',' ','=',' ','\'','%','s','\'',0};
1202     UINT rc = ERROR_SUCCESS;
1203     MSIRECORD *row;
1204     UINT type;
1205     const WCHAR *source, *target, *ptr, *deferred_data = NULL;
1206     WCHAR *deformated = NULL;
1207     int len;
1208
1209     /* deferred action: [properties]Action */
1210     if ((ptr = strrchrW(action, ']')))
1211     {
1212         deferred_data = action;
1213         action = ptr + 1;
1214     }
1215
1216     row = MSI_QueryGetRecord( package->db, query, action );
1217     if (!row)
1218         return ERROR_CALL_NOT_IMPLEMENTED;
1219
1220     type = MSI_RecordGetInteger(row,2);
1221     source = MSI_RecordGetString(row,3);
1222     target = MSI_RecordGetString(row,4);
1223
1224     TRACE("Handling custom action %s (%x %s %s)\n",debugstr_w(action),type,
1225           debugstr_w(source), debugstr_w(target));
1226
1227     /* handle some of the deferred actions */
1228     if (type & msidbCustomActionTypeTSAware)
1229         FIXME("msidbCustomActionTypeTSAware not handled\n");
1230
1231     if (type & msidbCustomActionTypeInScript)
1232     {
1233         if (type & msidbCustomActionTypeNoImpersonate)
1234             WARN("msidbCustomActionTypeNoImpersonate not handled\n");
1235
1236         if (!action_type_matches_script( type, script ))
1237         {
1238             rc = defer_custom_action( package, action, type );
1239             goto end;
1240         }
1241         else
1242         {
1243             LPWSTR actiondata = msi_dup_property( package->db, action );
1244
1245             if (type & msidbCustomActionTypeInScript)
1246                 package->scheduled_action_running = TRUE;
1247
1248             if (type & msidbCustomActionTypeCommit)
1249                 package->commit_action_running = TRUE;
1250
1251             if (type & msidbCustomActionTypeRollback)
1252                 package->rollback_action_running = TRUE;
1253
1254             if (deferred_data)
1255                 set_deferred_action_props(package, deferred_data);
1256             else if (actiondata)
1257                 msi_set_property( package->db, szCustomActionData, actiondata, -1 );
1258             else
1259                 msi_set_property( package->db, szCustomActionData, szEmpty, -1 );
1260
1261             msi_free(actiondata);
1262         }
1263     }
1264     else if (!check_execution_scheduling_options(package,action,type))
1265     {
1266         rc = ERROR_SUCCESS;
1267         goto end;
1268     }
1269
1270     switch (type & CUSTOM_ACTION_TYPE_MASK)
1271     {
1272         case 1: /* DLL file stored in a Binary table stream */
1273             rc = HANDLE_CustomType1(package,source,target,type,action);
1274             break;
1275         case 2: /* EXE file stored in a Binary table stream */
1276             rc = HANDLE_CustomType2(package,source,target,type,action);
1277             break;
1278         case 18: /*EXE file installed with package */
1279             rc = HANDLE_CustomType18(package,source,target,type,action);
1280             break;
1281         case 19: /* Error that halts install */
1282             rc = HANDLE_CustomType19(package,source,target,type,action);
1283             break;
1284         case 17:
1285             rc = HANDLE_CustomType17(package,source,target,type,action);
1286             break;
1287         case 23: /* installs another package in the source tree */
1288             deformat_string(package,target,&deformated);
1289             rc = HANDLE_CustomType23(package,source,deformated,type,action);
1290             msi_free(deformated);
1291             break;
1292         case 50: /*EXE file specified by a property value */
1293             rc = HANDLE_CustomType50(package,source,target,type,action);
1294             break;
1295         case 34: /*EXE to be run in specified directory */
1296             rc = HANDLE_CustomType34(package,source,target,type,action);
1297             break;
1298         case 35: /* Directory set with formatted text. */
1299             deformat_string(package,target,&deformated);
1300             MSI_SetTargetPathW(package, source, deformated);
1301             msi_free(deformated);
1302             break;
1303         case 51: /* Property set with formatted text. */
1304             if (!source)
1305                 break;
1306
1307             len = deformat_string( package, target, &deformated );
1308             rc = msi_set_property( package->db, source, deformated, len );
1309             if (rc == ERROR_SUCCESS && !strcmpW( source, szSourceDir ))
1310                 msi_reset_folders( package, TRUE );
1311             msi_free(deformated);
1312             break;
1313     case 37: /* JScript/VBScript text stored in target column. */
1314     case 38:
1315         rc = HANDLE_CustomType37_38(package,source,target,type,action);
1316         break;
1317     case 5:
1318     case 6: /* JScript/VBScript file stored in a Binary table stream. */
1319         rc = HANDLE_CustomType5_6(package,source,target,type,action);
1320         break;
1321     case 21: /* JScript/VBScript file installed with the product. */
1322     case 22:
1323         rc = HANDLE_CustomType21_22(package,source,target,type,action);
1324         break;
1325     case 53: /* JScript/VBScript text specified by a property value. */
1326     case 54:
1327         rc = HANDLE_CustomType53_54(package,source,target,type,action);
1328         break;
1329     default:
1330         FIXME("unhandled action type %u (%s %s)\n", type & CUSTOM_ACTION_TYPE_MASK,
1331               debugstr_w(source), debugstr_w(target));
1332     }
1333
1334 end:
1335     package->scheduled_action_running = FALSE;
1336     package->commit_action_running = FALSE;
1337     package->rollback_action_running = FALSE;
1338     msiobj_release(&row->hdr);
1339     return rc;
1340 }
1341
1342 void ACTION_FinishCustomActions(const MSIPACKAGE* package)
1343 {
1344     struct list *item;
1345     HANDLE *wait_handles;
1346     unsigned int handle_count, i;
1347     msi_custom_action_info *info, *cursor;
1348
1349     while ((item = list_head( &package->RunningActions )))
1350     {
1351         MSIRUNNINGACTION *action = LIST_ENTRY( item, MSIRUNNINGACTION, entry );
1352
1353         list_remove( &action->entry );
1354
1355         TRACE("waiting for %s\n", debugstr_w( action->name ) );
1356         msi_dialog_check_messages( action->handle );
1357
1358         CloseHandle( action->handle );
1359         msi_free( action->name );
1360         msi_free( action );
1361     }
1362
1363     EnterCriticalSection( &msi_custom_action_cs );
1364
1365     handle_count = list_count( &msi_pending_custom_actions );
1366     wait_handles = msi_alloc( handle_count * sizeof(HANDLE) );
1367
1368     handle_count = 0;
1369     LIST_FOR_EACH_ENTRY_SAFE( info, cursor, &msi_pending_custom_actions, msi_custom_action_info, entry )
1370     {
1371         if (info->package == package )
1372         {
1373             if (DuplicateHandle(GetCurrentProcess(), info->handle, GetCurrentProcess(), &wait_handles[handle_count], SYNCHRONIZE, FALSE, 0))
1374                 handle_count++;
1375         }
1376     }
1377
1378     LeaveCriticalSection( &msi_custom_action_cs );
1379
1380     for (i = 0; i < handle_count; i++)
1381     {
1382         msi_dialog_check_messages( wait_handles[i] );
1383         CloseHandle( wait_handles[i] );
1384     }
1385     msi_free( wait_handles );
1386
1387     EnterCriticalSection( &msi_custom_action_cs );
1388     LIST_FOR_EACH_ENTRY_SAFE( info, cursor, &msi_pending_custom_actions, msi_custom_action_info, entry )
1389     {
1390         if (info->package == package) release_custom_action_data( info );
1391     }
1392     LeaveCriticalSection( &msi_custom_action_cs );
1393 }
1394
1395 typedef struct _msi_custom_remote_impl {
1396     IWineMsiRemoteCustomAction IWineMsiRemoteCustomAction_iface;
1397     LONG refs;
1398 } msi_custom_remote_impl;
1399
1400 static inline msi_custom_remote_impl *impl_from_IWineMsiRemoteCustomAction( IWineMsiRemoteCustomAction *iface )
1401 {
1402     return CONTAINING_RECORD(iface, msi_custom_remote_impl, IWineMsiRemoteCustomAction_iface);
1403 }
1404
1405 static HRESULT WINAPI mcr_QueryInterface( IWineMsiRemoteCustomAction *iface,
1406                 REFIID riid,LPVOID *ppobj)
1407 {
1408     if( IsEqualCLSID( riid, &IID_IUnknown ) ||
1409         IsEqualCLSID( riid, &IID_IWineMsiRemoteCustomAction ) )
1410     {
1411         IWineMsiRemoteCustomAction_AddRef( iface );
1412         *ppobj = iface;
1413         return S_OK;
1414     }
1415
1416     return E_NOINTERFACE;
1417 }
1418
1419 static ULONG WINAPI mcr_AddRef( IWineMsiRemoteCustomAction *iface )
1420 {
1421     msi_custom_remote_impl* This = impl_from_IWineMsiRemoteCustomAction( iface );
1422
1423     return InterlockedIncrement( &This->refs );
1424 }
1425
1426 static ULONG WINAPI mcr_Release( IWineMsiRemoteCustomAction *iface )
1427 {
1428     msi_custom_remote_impl* This = impl_from_IWineMsiRemoteCustomAction( iface );
1429     ULONG r;
1430
1431     r = InterlockedDecrement( &This->refs );
1432     if (r == 0)
1433         msi_free( This );
1434     return r;
1435 }
1436
1437 static HRESULT WINAPI mcr_GetActionInfo( IWineMsiRemoteCustomAction *iface, LPCGUID custom_action_guid,
1438          INT *type, MSIHANDLE *handle, BSTR *dll, BSTR *func, IWineMsiRemotePackage **remote_package )
1439 {
1440     msi_custom_action_info *info;
1441
1442     info = find_action_by_guid( custom_action_guid );
1443     if (!info)
1444         return E_FAIL;
1445
1446     *type = info->type;
1447     *handle = alloc_msihandle( &info->package->hdr );
1448     *dll = SysAllocString( info->source );
1449     *func = SysAllocString( info->target );
1450
1451     release_custom_action_data( info );
1452     return create_msi_remote_package( NULL, (LPVOID *)remote_package );
1453 }
1454
1455 static const IWineMsiRemoteCustomActionVtbl msi_custom_remote_vtbl =
1456 {
1457     mcr_QueryInterface,
1458     mcr_AddRef,
1459     mcr_Release,
1460     mcr_GetActionInfo,
1461 };
1462
1463 HRESULT create_msi_custom_remote( IUnknown *pOuter, LPVOID *ppObj )
1464 {
1465     msi_custom_remote_impl* This;
1466
1467     This = msi_alloc( sizeof *This );
1468     if (!This)
1469         return E_OUTOFMEMORY;
1470
1471     This->IWineMsiRemoteCustomAction_iface.lpVtbl = &msi_custom_remote_vtbl;
1472     This->refs = 1;
1473
1474     *ppObj = &This->IWineMsiRemoteCustomAction_iface;
1475
1476     return S_OK;
1477 }