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     "pushl 12(%ebp)\n\t"
 543     "movl 8(%ebp),%eax\n\t"
 544     "call *%eax\n\t"
 545     "leave\n\t"
 546     __ASM_CFI(".cfi_def_cfa %esp,4\n\t")
 547     __ASM_CFI(".cfi_same_value %ebp\n\t")
 548     "ret" )
 549 #else
 550 static inline UINT CUSTOMPROC_wrapper( MsiCustomActionEntryPoint proc, MSIHANDLE handle )
 551 {
 552     return proc(handle);
 553 }
 554 #endif
 555
 556 static DWORD ACTION_CallDllFunction( const GUID *guid )
 557 {
 558     MsiCustomActionEntryPoint fn;
 559     MSIHANDLE hPackage, handle;
 560     HANDLE hModule;
 561     LPSTR proc;
 562     UINT r = ERROR_FUNCTION_FAILED;
 563     BSTR dll = NULL, function = NULL;
 564     INT type;
 565     IWineMsiRemotePackage *remote_package = NULL;
 566
 567     TRACE("%s\n", debugstr_guid( guid ));
 568
 569     r = get_action_info( guid, &type, &handle, &dll, &function, &remote_package );
 570     if (r != ERROR_SUCCESS)
 571         return r;
 572
 573     hModule = LoadLibraryW( dll );
 574     if (!hModule)
 575     {
 576         WARN( "failed to load dll %s (%u)\n", debugstr_w( dll ), GetLastError() );
 577         return ERROR_SUCCESS;
 578     }
 579
 580     proc = strdupWtoA( function );
 581     fn = (MsiCustomActionEntryPoint) GetProcAddress( hModule, proc );
 582     msi_free( proc );
 583     if (fn)
 584     {
 585         hPackage = alloc_msi_remote_handle( (IUnknown *)remote_package );
 586         if (hPackage)
 587         {
 588             IWineMsiRemotePackage_SetMsiHandle( remote_package, handle );
 589             TRACE("calling %s\n", debugstr_w( function ) );
 590             handle_msi_break( function );
 591
 592             __TRY
 593             {
 594                 r = CUSTOMPROC_wrapper( fn, hPackage );
 595             }
 596             __EXCEPT_PAGE_FAULT
 597             {
 598                 ERR("Custom action (%s:%s) caused a page fault: %08x\n",
 599                     debugstr_w(dll), debugstr_w(function), GetExceptionCode());
 600                 r = ERROR_SUCCESS;
 601             }
 602             __ENDTRY;
 603
 604             MsiCloseHandle( hPackage );
 605         }
 606         else
 607             ERR("failed to create handle for %p\n", remote_package );
 608     }
 609     else
 610         ERR("GetProcAddress(%s) failed\n", debugstr_w( function ) );
 611
 612     FreeLibrary(hModule);
 613
 614     IWineMsiRemotePackage_Release( remote_package );
 615     SysFreeString( dll );
 616     SysFreeString( function );
 617     MsiCloseHandle( handle );
 618
 619     return r;
 620 }
 621
 622 static DWORD WINAPI DllThread( LPVOID arg )
 623 {
 624     LPGUID guid = arg;
 625     DWORD rc = 0;
 626
 627     TRACE("custom action (%x) started\n", GetCurrentThreadId() );
 628
 629     rc = ACTION_CallDllFunction( guid );
 630
 631     TRACE("custom action (%x) returned %i\n", GetCurrentThreadId(), rc );
 632
 633     MsiCloseAllHandles();
 634     return rc;
 635 }
 636
 637 static msi_custom_action_info *do_msidbCustomActionTypeDll(
 638     MSIPACKAGE *package, INT type, LPCWSTR source, LPCWSTR target, LPCWSTR action )
 639 {
 640     msi_custom_action_info *info;
 641
 642     info = msi_alloc( sizeof *info );
 643     if (!info)
 644         return NULL;
 645
 646     msiobj_addref( &package->hdr );
 647     info->refs = 2; /* 1 for our caller and 1 for thread we created */
 648     info->package = package;
 649     info->type = type;
 650     info->target = strdupW( target );
 651     info->source = strdupW( source );
 652     info->action = strdupW( action );
 653     CoCreateGuid( &info->guid );
 654
 655     EnterCriticalSection( &msi_custom_action_cs );
 656     list_add_tail( &msi_pending_custom_actions, &info->entry );
 657     LeaveCriticalSection( &msi_custom_action_cs );
 658
 659     info->handle = CreateThread( NULL, 0, DllThread, &info->guid, 0, NULL );
 660     if (!info->handle)
 661     {
 662         /* release both references */
 663         release_custom_action_data( info );
 664         release_custom_action_data( info );
 665         return NULL;
 666     }
 667
 668     return info;
 669 }
 670
 671 static UINT HANDLE_CustomType1( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
 672                                 INT type, const WCHAR *action )
 673 {
 674     msi_custom_action_info *info;
 675     MSIBINARY *binary;
 676
 677     if (!(binary = get_temp_binary( package, source, TRUE )))
 678         return ERROR_FUNCTION_FAILED;
 679
 680     TRACE("Calling function %s from %s\n", debugstr_w(target), debugstr_w(binary->tmpfile));
 681
 682     info = do_msidbCustomActionTypeDll( package, type, binary->tmpfile, target, action );
 683     return wait_thread_handle( info );
 684 }
 685
 686 static HANDLE execute_command( const WCHAR *app, WCHAR *arg, const WCHAR *dir )
 687 {
 688     static const WCHAR dotexeW[] = {'.','e','x','e',0};
 689     STARTUPINFOW si;
 690     PROCESS_INFORMATION info;
 691     WCHAR *exe = NULL, *cmd = NULL, *p;
 692     BOOL ret;
 693
 694     if (app)
 695     {
 696         int len_arg = 0;
 697         DWORD len_exe;
 698
 699         if (!(exe = msi_alloc( MAX_PATH * sizeof(WCHAR) ))) return INVALID_HANDLE_VALUE;
 700         len_exe = SearchPathW( NULL, app, dotexeW, MAX_PATH, exe, NULL );
 701         if (len_exe >= MAX_PATH)
 702         {
 703             msi_free( exe );
 704             if (!(exe = msi_alloc( len_exe * sizeof(WCHAR) ))) return INVALID_HANDLE_VALUE;
 705             len_exe = SearchPathW( NULL, app, dotexeW, len_exe, exe, NULL );
 706         }
 707         if (!len_exe)
 708         {
 709             WARN("can't find executable %u\n", GetLastError());
 710             msi_free( exe );
 711             return INVALID_HANDLE_VALUE;
 712         }
 713
 714         if (arg) len_arg = strlenW( arg );
 715         if (!(cmd = msi_alloc( (len_exe + len_arg + 4) * sizeof(WCHAR) )))
 716         {
 717             msi_free( exe );
 718             return INVALID_HANDLE_VALUE;
 719         }
 720         p = cmd;
 721         if (strchrW( exe, ' ' ))
 722         {
 723             *p++ = '\"';
 724             memcpy( p, exe, len_exe * sizeof(WCHAR) );
 725             p += len_exe;
 726             *p++ = '\"';
 727             *p = 0;
 728         }
 729         else
 730         {
 731             strcpyW( p, exe );
 732             p += len_exe;
 733         }
 734         if (arg)
 735         {
 736             *p++ = ' ';
 737             memcpy( p, arg, len_arg * sizeof(WCHAR) );
 738             p[len_arg] = 0;
 739         }
 740     }
 741     memset( &si, 0, sizeof(STARTUPINFOW) );
 742     ret = CreateProcessW( exe, exe ? cmd : arg, NULL, NULL, FALSE, 0, NULL, dir, &si, &info );
 743     msi_free( cmd );
 744     msi_free( exe );
 745     if (!ret)
 746     {
 747         WARN("unable to execute command %u\n", GetLastError());
 748         return INVALID_HANDLE_VALUE;
 749     }
 750     CloseHandle( info.hThread );
 751     return info.hProcess;
 752 }
 753
 754 static UINT HANDLE_CustomType2( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
 755                                 INT type, const WCHAR *action )
 756 {
 757     MSIBINARY *binary;
 758     HANDLE handle;
 759     WCHAR *arg;
 760
 761     if (!(binary = get_temp_binary( package, source, FALSE ))) return ERROR_FUNCTION_FAILED;
 762
 763     deformat_string( package, target, &arg );
 764     TRACE("exe %s arg %s\n", debugstr_w(binary->tmpfile), debugstr_w(arg));
 765
 766     handle = execute_command( binary->tmpfile, arg, szCRoot );
 767     msi_free( arg );
 768     if (handle == INVALID_HANDLE_VALUE) return ERROR_SUCCESS;
 769     return wait_process_handle( package, type, handle, action );
 770 }
 771
 772 static UINT HANDLE_CustomType17( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
 773                                  INT type, const WCHAR *action )
 774 {
 775     msi_custom_action_info *info;
 776     MSIFILE *file;
 777
 778     TRACE("%s %s\n", debugstr_w(source), debugstr_w(target));
 779
 780     file = msi_get_loaded_file( package, source );
 781     if (!file)
 782     {
 783         ERR("invalid file key %s\n", debugstr_w( source ));
 784         return ERROR_FUNCTION_FAILED;
 785     }
 786
 787     info = do_msidbCustomActionTypeDll( package, type, file->TargetPath, target, action );
 788     return wait_thread_handle( info );
 789 }
 790
 791 static UINT HANDLE_CustomType18( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
 792                                  INT type, const WCHAR *action )
 793 {
 794     MSIFILE *file;
 795     HANDLE handle;
 796     WCHAR *arg;
 797
 798     if (!(file = msi_get_loaded_file( package, source ))) return ERROR_FUNCTION_FAILED;
 799
 800     deformat_string( package, target, &arg );
 801     TRACE("exe %s arg %s\n", debugstr_w(file->TargetPath), debugstr_w(arg));
 802
 803     handle = execute_command( file->TargetPath, arg, szCRoot );
 804     msi_free( arg );
 805     if (handle == INVALID_HANDLE_VALUE) return ERROR_SUCCESS;
 806     return wait_process_handle( package, type, handle, action );
 807 }
 808
 809 static UINT HANDLE_CustomType19( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
 810                                  INT type, const WCHAR *action )
 811 {
 812     static const WCHAR query[] = {
 813       'S','E','L','E','C','T',' ','`','M','e','s','s','a','g','e','`',' ',
 814       'F','R','O','M',' ','`','E','r','r','o','r','`',' ',
 815       'W','H','E','R','E',' ','`','E','r','r','o','r','`',' ','=',' ',
 816       '%','s',0
 817     };
 818     MSIRECORD *row = 0;
 819     LPWSTR deformated = NULL;
 820
 821     deformat_string( package, target, &deformated );
 822
 823     /* first try treat the error as a number */
 824     row = MSI_QueryGetRecord( package->db, query, deformated );
 825     if( row )
 826     {
 827         LPCWSTR error = MSI_RecordGetString( row, 1 );
 828         if ((package->ui_level & INSTALLUILEVEL_MASK) != INSTALLUILEVEL_NONE)
 829             MessageBoxW( NULL, error, NULL, MB_OK );
 830         msiobj_release( &row->hdr );
 831     }
 832     else if ((package->ui_level & INSTALLUILEVEL_MASK) != INSTALLUILEVEL_NONE)
 833         MessageBoxW( NULL, deformated, NULL, MB_OK );
 834
 835     msi_free( deformated );
 836
 837     return ERROR_INSTALL_FAILURE;
 838 }
 839
 840 static UINT HANDLE_CustomType23( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
 841                                  INT type, const WCHAR *action )
 842 {
 843     static const WCHAR msiexecW[] = {'m','s','i','e','x','e','c',0};
 844     static const WCHAR paramsW[] = {'/','q','b',' ','/','i',' '};
 845     WCHAR *dir, *arg, *p;
 846     UINT len_src, len_dir, len_tgt, len = sizeof(paramsW)/sizeof(paramsW[0]);
 847     HANDLE handle;
 848
 849     if (!(dir = msi_dup_property( package->db, szOriginalDatabase ))) return ERROR_OUTOFMEMORY;
 850     if (!(p = strrchrW( dir, '\\' )) && !(p = strrchrW( dir, '/' )))
 851     {
 852         msi_free( dir );
 853         return ERROR_FUNCTION_FAILED;
 854     }
 855     *p = 0;
 856     len_dir = p - dir;
 857     len_src = strlenW( source );
 858     len_tgt = strlenW( target );
 859     if (!(arg = msi_alloc( (len + len_dir + len_src + len_tgt + 5) * sizeof(WCHAR) )))
 860     {
 861         msi_free( dir );
 862         return ERROR_OUTOFMEMORY;
 863     }
 864     memcpy( arg, paramsW, sizeof(paramsW) );
 865     arg[len++] = '"';
 866     memcpy( arg + len, dir, len_dir * sizeof(WCHAR) );
 867     len += len_dir;
 868     arg[len++] = '\\';
 869     memcpy( arg + len, source, len_src * sizeof(WCHAR) );
 870     len += len_src;
 871     arg[len++] = '"';
 872     arg[len++] = ' ';
 873     strcpyW( arg + len, target );
 874
 875     TRACE("installing %s concurrently\n", debugstr_w(source));
 876
 877     handle = execute_command( msiexecW, arg, dir );
 878     msi_free( dir );
 879     msi_free( arg );
 880     if (handle == INVALID_HANDLE_VALUE) return ERROR_SUCCESS;
 881     return wait_process_handle( package, type, handle, action );
 882 }
 883
 884 static UINT HANDLE_CustomType50( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
 885                                  INT type, const WCHAR *action )
 886 {
 887     WCHAR *exe, *arg;
 888     HANDLE handle;
 889
 890     if (!(exe = msi_dup_property( package->db, source ))) return ERROR_SUCCESS;
 891
 892     deformat_string( package, target, &arg );
 893     TRACE("exe %s arg %s\n", debugstr_w(exe), debugstr_w(arg));
 894
 895     handle = execute_command( exe, arg, szCRoot );
 896     msi_free( exe );
 897     msi_free( arg );
 898     if (handle == INVALID_HANDLE_VALUE) return ERROR_SUCCESS;
 899     return wait_process_handle( package, type, handle, action );
 900 }
 901
 902 static UINT HANDLE_CustomType34( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
 903                                  INT type, const WCHAR *action )
 904 {
 905     const WCHAR *workingdir = NULL;
 906     HANDLE handle;
 907     WCHAR *cmd;
 908
 909     if (source)
 910     {
 911         workingdir = msi_get_target_folder( package, source );
 912         if (!workingdir) return ERROR_FUNCTION_FAILED;
 913     }
 914     deformat_string( package, target, &cmd );
 915     if (!cmd) return ERROR_FUNCTION_FAILED;
 916
 917     TRACE("cmd %s dir %s\n", debugstr_w(cmd), debugstr_w(workingdir));
 918
 919     handle = execute_command( NULL, cmd, workingdir );
 920     msi_free( cmd );
 921     if (handle == INVALID_HANDLE_VALUE) return ERROR_SUCCESS;
 922     return wait_process_handle( package, type, handle, action );
 923 }
 924
 925 static DWORD ACTION_CallScript( const GUID *guid )
 926 {
 927     msi_custom_action_info *info;
 928     MSIHANDLE hPackage;
 929     UINT r = ERROR_FUNCTION_FAILED;
 930
 931     info = find_action_by_guid( guid );
 932     if (!info)
 933     {
 934         ERR("failed to find action %s\n", debugstr_guid( guid) );
 935         return ERROR_FUNCTION_FAILED;
 936     }
 937
 938     TRACE("function %s, script %s\n", debugstr_w( info->target ), debugstr_w( info->source ) );
 939
 940     hPackage = alloc_msihandle( &info->package->hdr );
 941     if (hPackage)
 942     {
 943         r = call_script( hPackage, info->type, info->source, info->target, info->action );
 944         TRACE("script returned %u\n", r);
 945         MsiCloseHandle( hPackage );
 946     }
 947     else
 948         ERR("failed to create handle for %p\n", info->package );
 949
 950     release_custom_action_data( info );
 951     return r;
 952 }
 953
 954 static DWORD WINAPI ScriptThread( LPVOID arg )
 955 {
 956     LPGUID guid = arg;
 957     DWORD rc;
 958
 959     TRACE("custom action (%x) started\n", GetCurrentThreadId() );
 960
 961     rc = ACTION_CallScript( guid );
 962
 963     TRACE("custom action (%x) returned %i\n", GetCurrentThreadId(), rc );
 964
 965     MsiCloseAllHandles();
 966     return rc;
 967 }
 968
 969 static msi_custom_action_info *do_msidbCustomActionTypeScript(
 970     MSIPACKAGE *package, INT type, LPCWSTR script, LPCWSTR function, LPCWSTR action )
 971 {
 972     msi_custom_action_info *info;
 973
 974     info = msi_alloc( sizeof *info );
 975     if (!info)
 976         return NULL;
 977
 978     msiobj_addref( &package->hdr );
 979     info->refs = 2; /* 1 for our caller and 1 for thread we created */
 980     info->package = package;
 981     info->type = type;
 982     info->target = strdupW( function );
 983     info->source = strdupW( script );
 984     info->action = strdupW( action );
 985     CoCreateGuid( &info->guid );
 986
 987     EnterCriticalSection( &msi_custom_action_cs );
 988     list_add_tail( &msi_pending_custom_actions, &info->entry );
 989     LeaveCriticalSection( &msi_custom_action_cs );
 990
 991     info->handle = CreateThread( NULL, 0, ScriptThread, &info->guid, 0, NULL );
 992     if (!info->handle)
 993     {
 994         /* release both references */
 995         release_custom_action_data( info );
 996         release_custom_action_data( info );
 997         return NULL;
 998     }
 999
1000     return info;
1001 }
1002
1003 static UINT HANDLE_CustomType37_38( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
1004                                     INT type, const WCHAR *action )
1005 {
1006     msi_custom_action_info *info;
1007
1008     TRACE("%s %s\n", debugstr_w(source), debugstr_w(target));
1009
1010     info = do_msidbCustomActionTypeScript( package, type, target, NULL, action );
1011     return wait_thread_handle( info );
1012 }
1013
1014 static UINT HANDLE_CustomType5_6( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
1015                                   INT type, const WCHAR *action )
1016 {
1017     static const WCHAR query[] = {
1018         'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
1019         '`','B','i' ,'n','a','r','y','`',' ','W','H','E','R','E',' ',
1020         '`','N','a','m','e','`',' ','=',' ','\'','%','s','\'',0};
1021     MSIRECORD *row = NULL;
1022     msi_custom_action_info *info;
1023     CHAR *buffer = NULL;
1024     WCHAR *bufferw = NULL;
1025     DWORD sz = 0;
1026     UINT r;
1027
1028     TRACE("%s %s\n", debugstr_w(source), debugstr_w(target));
1029
1030     row = MSI_QueryGetRecord(package->db, query, source);
1031     if (!row)
1032         return ERROR_FUNCTION_FAILED;
1033
1034     r = MSI_RecordReadStream(row, 2, NULL, &sz);
1035     if (r != ERROR_SUCCESS) goto done;
1036
1037     buffer = msi_alloc( sz + 1 );
1038     if (!buffer)
1039     {
1040        r = ERROR_FUNCTION_FAILED;
1041        goto done;
1042     }
1043
1044     r = MSI_RecordReadStream(row, 2, buffer, &sz);
1045     if (r != ERROR_SUCCESS)
1046         goto done;
1047
1048     buffer[sz] = 0;
1049     bufferw = strdupAtoW(buffer);
1050     if (!bufferw)
1051     {
1052         r = ERROR_FUNCTION_FAILED;
1053         goto done;
1054     }
1055
1056     info = do_msidbCustomActionTypeScript( package, type, bufferw, target, action );
1057     r = wait_thread_handle( info );
1058
1059 done:
1060     msi_free(bufferw);
1061     msi_free(buffer);
1062     msiobj_release(&row->hdr);
1063     return r;
1064 }
1065
1066 static UINT HANDLE_CustomType21_22( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
1067                                     INT type, const WCHAR *action )
1068 {
1069     msi_custom_action_info *info;
1070     MSIFILE *file;
1071     HANDLE hFile;
1072     DWORD sz, szHighWord = 0, read;
1073     CHAR *buffer=NULL;
1074     WCHAR *bufferw=NULL;
1075     BOOL bRet;
1076     UINT r;
1077
1078     TRACE("%s %s\n", debugstr_w(source), debugstr_w(target));
1079
1080     file = msi_get_loaded_file(package, source);
1081     if (!file)
1082     {
1083         ERR("invalid file key %s\n", debugstr_w(source));
1084         return ERROR_FUNCTION_FAILED;
1085     }
1086
1087     hFile = CreateFileW(file->TargetPath, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
1088     if (hFile == INVALID_HANDLE_VALUE) return ERROR_FUNCTION_FAILED;
1089
1090     sz = GetFileSize(hFile, &szHighWord);
1091     if (sz == INVALID_FILE_SIZE || szHighWord != 0)
1092     {
1093         CloseHandle(hFile);
1094         return ERROR_FUNCTION_FAILED;
1095     }
1096     buffer = msi_alloc( sz + 1 );
1097     if (!buffer)
1098     {
1099         CloseHandle(hFile);
1100         return ERROR_FUNCTION_FAILED;
1101     }
1102     bRet = ReadFile(hFile, buffer, sz, &read, NULL);
1103     CloseHandle(hFile);
1104     if (!bRet)
1105     {
1106         r = ERROR_FUNCTION_FAILED;
1107         goto done;
1108     }
1109     buffer[read] = 0;
1110     bufferw = strdupAtoW(buffer);
1111     if (!bufferw)
1112     {
1113         r = ERROR_FUNCTION_FAILED;
1114         goto done;
1115     }
1116     info = do_msidbCustomActionTypeScript( package, type, bufferw, target, action );
1117     r = wait_thread_handle( info );
1118
1119 done:
1120     msi_free(bufferw);
1121     msi_free(buffer);
1122     return r;
1123 }
1124
1125 static UINT HANDLE_CustomType53_54( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
1126                                     INT type, const WCHAR *action )
1127 {
1128     msi_custom_action_info *info;
1129     WCHAR *prop;
1130
1131     TRACE("%s %s\n", debugstr_w(source), debugstr_w(target));
1132
1133     prop = msi_dup_property( package->db, source );
1134     if (!prop) return ERROR_SUCCESS;
1135
1136     info = do_msidbCustomActionTypeScript( package, type, prop, NULL, action );
1137     msi_free(prop);
1138     return wait_thread_handle( info );
1139 }
1140
1141 static BOOL action_type_matches_script( UINT type, UINT script )
1142 {
1143     switch (script)
1144     {
1145     case SCRIPT_NONE:
1146     case SCRIPT_INSTALL:
1147         return !(type & msidbCustomActionTypeCommit) && !(type & msidbCustomActionTypeRollback);
1148     case SCRIPT_COMMIT:
1149         return (type & msidbCustomActionTypeCommit);
1150     case SCRIPT_ROLLBACK:
1151         return (type & msidbCustomActionTypeRollback);
1152     default:
1153         ERR("unhandled script %u\n", script);
1154     }
1155     return FALSE;
1156 }
1157
1158 static UINT defer_custom_action( MSIPACKAGE *package, const WCHAR *action, UINT type )
1159 {
1160     WCHAR *actiondata = msi_dup_property( package->db, action );
1161     WCHAR *usersid = msi_dup_property( package->db, szUserSID );
1162     WCHAR *prodcode = msi_dup_property( package->db, szProductCode );
1163     WCHAR *deferred = msi_get_deferred_action( action, actiondata, usersid, prodcode );
1164
1165     if (!deferred)
1166     {
1167         msi_free( actiondata );
1168         msi_free( usersid );
1169         msi_free( prodcode );
1170         return ERROR_OUTOFMEMORY;
1171     }
1172     if (type & msidbCustomActionTypeCommit)
1173     {
1174         TRACE("deferring commit action\n");
1175         msi_schedule_action( package, SCRIPT_COMMIT, deferred );
1176     }
1177     else if (type & msidbCustomActionTypeRollback)
1178     {
1179         TRACE("deferring rollback action\n");
1180         msi_schedule_action( package, SCRIPT_ROLLBACK, deferred );
1181     }
1182     else
1183     {
1184         TRACE("deferring install action\n");
1185         msi_schedule_action( package, SCRIPT_INSTALL, deferred );
1186     }
1187
1188     msi_free( actiondata );
1189     msi_free( usersid );
1190     msi_free( prodcode );
1191     msi_free( deferred );
1192     return ERROR_SUCCESS;
1193 }
1194
1195 UINT ACTION_CustomAction( MSIPACKAGE *package, LPCWSTR action, UINT script )
1196 {
1197     static const WCHAR query[] = {
1198         'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
1199         '`','C','u','s','t','o','m','A','c','t','i','o','n','`',' ','W','H','E','R','E',' ',
1200         '`','A','c','t','i' ,'o','n','`',' ','=',' ','\'','%','s','\'',0};
1201     UINT rc = ERROR_SUCCESS;
1202     MSIRECORD *row;
1203     UINT type;
1204     const WCHAR *source, *target, *ptr, *deferred_data = NULL;
1205     WCHAR *deformated = NULL;
1206     int len;
1207
1208     /* deferred action: [properties]Action */
1209     if ((ptr = strrchrW(action, ']')))
1210     {
1211         deferred_data = action;
1212         action = ptr + 1;
1213     }
1214
1215     row = MSI_QueryGetRecord( package->db, query, action );
1216     if (!row)
1217         return ERROR_CALL_NOT_IMPLEMENTED;
1218
1219     type = MSI_RecordGetInteger(row,2);
1220     source = MSI_RecordGetString(row,3);
1221     target = MSI_RecordGetString(row,4);
1222
1223     TRACE("Handling custom action %s (%x %s %s)\n",debugstr_w(action),type,
1224           debugstr_w(source), debugstr_w(target));
1225
1226     /* handle some of the deferred actions */
1227     if (type & msidbCustomActionTypeTSAware)
1228         FIXME("msidbCustomActionTypeTSAware not handled\n");
1229
1230     if (type & msidbCustomActionTypeInScript)
1231     {
1232         if (type & msidbCustomActionTypeNoImpersonate)
1233             WARN("msidbCustomActionTypeNoImpersonate not handled\n");
1234
1235         if (!action_type_matches_script( type, script ))
1236         {
1237             rc = defer_custom_action( package, action, type );
1238             goto end;
1239         }
1240         else
1241         {
1242             LPWSTR actiondata = msi_dup_property( package->db, action );
1243
1244             if (type & msidbCustomActionTypeInScript)
1245                 package->scheduled_action_running = TRUE;
1246
1247             if (type & msidbCustomActionTypeCommit)
1248                 package->commit_action_running = TRUE;
1249
1250             if (type & msidbCustomActionTypeRollback)
1251                 package->rollback_action_running = TRUE;
1252
1253             if (deferred_data)
1254                 set_deferred_action_props(package, deferred_data);
1255             else if (actiondata)
1256                 msi_set_property( package->db, szCustomActionData, actiondata, -1 );
1257             else
1258                 msi_set_property( package->db, szCustomActionData, szEmpty, -1 );
1259
1260             msi_free(actiondata);
1261         }
1262     }
1263     else if (!check_execution_scheduling_options(package,action,type))
1264     {
1265         rc = ERROR_SUCCESS;
1266         goto end;
1267     }
1268
1269     switch (type & CUSTOM_ACTION_TYPE_MASK)
1270     {
1271         case 1: /* DLL file stored in a Binary table stream */
1272             rc = HANDLE_CustomType1(package,source,target,type,action);
1273             break;
1274         case 2: /* EXE file stored in a Binary table stream */
1275             rc = HANDLE_CustomType2(package,source,target,type,action);
1276             break;
1277         case 18: /*EXE file installed with package */
1278             rc = HANDLE_CustomType18(package,source,target,type,action);
1279             break;
1280         case 19: /* Error that halts install */
1281             rc = HANDLE_CustomType19(package,source,target,type,action);
1282             break;
1283         case 17:
1284             rc = HANDLE_CustomType17(package,source,target,type,action);
1285             break;
1286         case 23: /* installs another package in the source tree */
1287             deformat_string(package,target,&deformated);
1288             rc = HANDLE_CustomType23(package,source,deformated,type,action);
1289             msi_free(deformated);
1290             break;
1291         case 50: /*EXE file specified by a property value */
1292             rc = HANDLE_CustomType50(package,source,target,type,action);
1293             break;
1294         case 34: /*EXE to be run in specified directory */
1295             rc = HANDLE_CustomType34(package,source,target,type,action);
1296             break;
1297         case 35: /* Directory set with formatted text. */
1298             deformat_string(package,target,&deformated);
1299             MSI_SetTargetPathW(package, source, deformated);
1300             msi_free(deformated);
1301             break;
1302         case 51: /* Property set with formatted text. */
1303             if (!source)
1304                 break;
1305
1306             len = deformat_string( package, target, &deformated );
1307             rc = msi_set_property( package->db, source, deformated, len );
1308             if (rc == ERROR_SUCCESS && !strcmpW( source, szSourceDir ))
1309                 msi_reset_folders( package, TRUE );
1310             msi_free(deformated);
1311             break;
1312     case 37: /* JScript/VBScript text stored in target column. */
1313     case 38:
1314         rc = HANDLE_CustomType37_38(package,source,target,type,action);
1315         break;
1316     case 5:
1317     case 6: /* JScript/VBScript file stored in a Binary table stream. */
1318         rc = HANDLE_CustomType5_6(package,source,target,type,action);
1319         break;
1320     case 21: /* JScript/VBScript file installed with the product. */
1321     case 22:
1322         rc = HANDLE_CustomType21_22(package,source,target,type,action);
1323         break;
1324     case 53: /* JScript/VBScript text specified by a property value. */
1325     case 54:
1326         rc = HANDLE_CustomType53_54(package,source,target,type,action);
1327         break;
1328     default:
1329         FIXME("unhandled action type %u (%s %s)\n", type & CUSTOM_ACTION_TYPE_MASK,
1330               debugstr_w(source), debugstr_w(target));
1331     }
1332
1333 end:
1334     package->scheduled_action_running = FALSE;
1335     package->commit_action_running = FALSE;
1336     package->rollback_action_running = FALSE;
1337     msiobj_release(&row->hdr);
1338     return rc;
1339 }
1340
1341 void ACTION_FinishCustomActions(const MSIPACKAGE* package)
1342 {
1343     struct list *item;
1344     HANDLE *wait_handles;
1345     unsigned int handle_count, i;
1346     msi_custom_action_info *info, *cursor;
1347
1348     while ((item = list_head( &package->RunningActions )))
1349     {
1350         MSIRUNNINGACTION *action = LIST_ENTRY( item, MSIRUNNINGACTION, entry );
1351
1352         list_remove( &action->entry );
1353
1354         TRACE("waiting for %s\n", debugstr_w( action->name ) );
1355         msi_dialog_check_messages( action->handle );
1356
1357         CloseHandle( action->handle );
1358         msi_free( action->name );
1359         msi_free( action );
1360     }
1361
1362     EnterCriticalSection( &msi_custom_action_cs );
1363
1364     handle_count = list_count( &msi_pending_custom_actions );
1365     wait_handles = msi_alloc( handle_count * sizeof(HANDLE) );
1366
1367     handle_count = 0;
1368     LIST_FOR_EACH_ENTRY_SAFE( info, cursor, &msi_pending_custom_actions, msi_custom_action_info, entry )
1369     {
1370         if (info->package == package )
1371         {
1372             if (DuplicateHandle(GetCurrentProcess(), info->handle, GetCurrentProcess(), &wait_handles[handle_count], SYNCHRONIZE, FALSE, 0))
1373                 handle_count++;
1374         }
1375     }
1376
1377     LeaveCriticalSection( &msi_custom_action_cs );
1378
1379     for (i = 0; i < handle_count; i++)
1380     {
1381         msi_dialog_check_messages( wait_handles[i] );
1382         CloseHandle( wait_handles[i] );
1383     }
1384     msi_free( wait_handles );
1385
1386     EnterCriticalSection( &msi_custom_action_cs );
1387     LIST_FOR_EACH_ENTRY_SAFE( info, cursor, &msi_pending_custom_actions, msi_custom_action_info, entry )
1388     {
1389         if (info->package == package) release_custom_action_data( info );
1390     }
1391     LeaveCriticalSection( &msi_custom_action_cs );
1392 }
1393
1394 typedef struct _msi_custom_remote_impl {
1395     IWineMsiRemoteCustomAction IWineMsiRemoteCustomAction_iface;
1396     LONG refs;
1397 } msi_custom_remote_impl;
1398
1399 static inline msi_custom_remote_impl *impl_from_IWineMsiRemoteCustomAction( IWineMsiRemoteCustomAction *iface )
1400 {
1401     return CONTAINING_RECORD(iface, msi_custom_remote_impl, IWineMsiRemoteCustomAction_iface);
1402 }
1403
1404 static HRESULT WINAPI mcr_QueryInterface( IWineMsiRemoteCustomAction *iface,
1405                 REFIID riid,LPVOID *ppobj)
1406 {
1407     if( IsEqualCLSID( riid, &IID_IUnknown ) ||
1408         IsEqualCLSID( riid, &IID_IWineMsiRemoteCustomAction ) )
1409     {
1410         IWineMsiRemoteCustomAction_AddRef( iface );
1411         *ppobj = iface;
1412         return S_OK;
1413     }
1414
1415     return E_NOINTERFACE;
1416 }
1417
1418 static ULONG WINAPI mcr_AddRef( IWineMsiRemoteCustomAction *iface )
1419 {
1420     msi_custom_remote_impl* This = impl_from_IWineMsiRemoteCustomAction( iface );
1421
1422     return InterlockedIncrement( &This->refs );
1423 }
1424
1425 static ULONG WINAPI mcr_Release( IWineMsiRemoteCustomAction *iface )
1426 {
1427     msi_custom_remote_impl* This = impl_from_IWineMsiRemoteCustomAction( iface );
1428     ULONG r;
1429
1430     r = InterlockedDecrement( &This->refs );
1431     if (r == 0)
1432         msi_free( This );
1433     return r;
1434 }
1435
1436 static HRESULT WINAPI mcr_GetActionInfo( IWineMsiRemoteCustomAction *iface, LPCGUID custom_action_guid,
1437          INT *type, MSIHANDLE *handle, BSTR *dll, BSTR *func, IWineMsiRemotePackage **remote_package )
1438 {
1439     msi_custom_action_info *info;
1440
1441     info = find_action_by_guid( custom_action_guid );
1442     if (!info)
1443         return E_FAIL;
1444
1445     *type = info->type;
1446     *handle = alloc_msihandle( &info->package->hdr );
1447     *dll = SysAllocString( info->source );
1448     *func = SysAllocString( info->target );
1449
1450     release_custom_action_data( info );
1451     return create_msi_remote_package( NULL, (LPVOID *)remote_package );
1452 }
1453
1454 static const IWineMsiRemoteCustomActionVtbl msi_custom_remote_vtbl =
1455 {
1456     mcr_QueryInterface,
1457     mcr_AddRef,
1458     mcr_Release,
1459     mcr_GetActionInfo,
1460 };
1461
1462 HRESULT create_msi_custom_remote( IUnknown *pOuter, LPVOID *ppObj )
1463 {
1464     msi_custom_remote_impl* This;
1465
1466     This = msi_alloc( sizeof *This );
1467     if (!This)
1468         return E_OUTOFMEMORY;
1469
1470     This->IWineMsiRemoteCustomAction_iface.lpVtbl = &msi_custom_remote_vtbl;
1471     This->refs = 1;
1472
1473     *ppObj = &This->IWineMsiRemoteCustomAction_iface;
1474
1475     return S_OK;
1476 }