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