dll/win32/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 "msipriv.h"
  22
  23 #include <wine/exception.h>
  24
  25 #ifdef _MSC_VER
  26 #include "msvchelper.h"
  27 #endif
  28
  29 WINE_DEFAULT_DEBUG_CHANNEL(msi);
  30
  31 #define CUSTOM_ACTION_TYPE_MASK 0x3F
  32
  33 typedef struct tagMSIRUNNINGACTION
  34 {
  35     struct list entry;
  36     HANDLE handle;
  37     BOOL   process;
  38     LPWSTR name;
  39 } MSIRUNNINGACTION;
  40
  41 typedef UINT (WINAPI *MsiCustomActionEntryPoint)( MSIHANDLE );
  42
  43 static CRITICAL_SECTION msi_custom_action_cs;
  44 static CRITICAL_SECTION_DEBUG msi_custom_action_cs_debug =
  45 {
  46     0, 0, &msi_custom_action_cs,
  47     { &msi_custom_action_cs_debug.ProcessLocksList,
  48       &msi_custom_action_cs_debug.ProcessLocksList },
  49       0, 0, { (DWORD_PTR)(__FILE__ ": msi_custom_action_cs") }
  50 };
  51 static CRITICAL_SECTION msi_custom_action_cs = { &msi_custom_action_cs_debug, -1, 0, 0, 0, 0 };
  52
  53 static struct list msi_pending_custom_actions = LIST_INIT( msi_pending_custom_actions );
  54
  55 UINT msi_schedule_action( MSIPACKAGE *package, UINT script, const WCHAR *action )
  56 {
  57     UINT count;
  58     WCHAR **newbuf = NULL;
  59
  60     if (script >= SCRIPT_MAX)
  61     {
  62         FIXME("Unknown script requested %u\n", script);
  63         return ERROR_FUNCTION_FAILED;
  64     }
  65     TRACE("Scheduling action %s in script %u\n", debugstr_w(action), script);
  66
  67     count = package->script_actions_count[script];
  68     package->script_actions_count[script]++;
  69     if (count != 0) newbuf = msi_realloc( package->script_actions[script],
  70                                           package->script_actions_count[script] * sizeof(WCHAR *) );
  71     else newbuf = msi_alloc( sizeof(WCHAR *) );
  72
  73     newbuf[count] = strdupW( action );
  74     package->script_actions[script] = newbuf;
  75     return ERROR_SUCCESS;
  76 }
  77
  78 UINT msi_register_unique_action( MSIPACKAGE *package, const WCHAR *action )
  79 {
  80     UINT count;
  81     WCHAR **newbuf = NULL;
  82
  83     TRACE("Registering %s as unique action\n", debugstr_w(action));
  84
  85     count = package->unique_actions_count;
  86     package->unique_actions_count++;
  87     if (count != 0) newbuf = msi_realloc( package->unique_actions,
  88                                           package->unique_actions_count * sizeof(WCHAR *) );
  89     else newbuf = msi_alloc( sizeof(WCHAR *) );
  90
  91     newbuf[count] = strdupW( action );
  92     package->unique_actions = newbuf;
  93     return ERROR_SUCCESS;
  94 }
  95
  96 BOOL msi_action_is_unique( const MSIPACKAGE *package, const WCHAR *action )
  97 {
  98     UINT i;
  99
 100     for (i = 0; i < package->unique_actions_count; i++)
 101     {
 102         if (!strcmpW( package->unique_actions[i], action )) return TRUE;
 103     }
 104     return FALSE;
 105 }
 106
 107 static BOOL check_execution_scheduling_options(MSIPACKAGE *package, LPCWSTR action, UINT options)
 108 {
 109     if ((options & msidbCustomActionTypeClientRepeat) ==
 110             msidbCustomActionTypeClientRepeat)
 111     {
 112         if (!(package->InWhatSequence & SEQUENCE_UI &&
 113             package->InWhatSequence & SEQUENCE_EXEC))
 114         {
 115             TRACE("Skipping action due to dbCustomActionTypeClientRepeat option.\n");
 116             return FALSE;
 117         }
 118     }
 119     else if (options & msidbCustomActionTypeFirstSequence)
 120     {
 121         if (package->InWhatSequence & SEQUENCE_UI &&
 122             package->InWhatSequence & SEQUENCE_EXEC )
 123         {
 124             TRACE("Skipping action due to msidbCustomActionTypeFirstSequence option.\n");
 125             return FALSE;
 126         }
 127     }
 128     else if (options & msidbCustomActionTypeOncePerProcess)
 129     {
 130         if (msi_action_is_unique(package, action))
 131         {
 132             TRACE("Skipping action due to msidbCustomActionTypeOncePerProcess option.\n");
 133             return FALSE;
 134         }
 135         else
 136             msi_register_unique_action(package, action);
 137     }
 138
 139     return TRUE;
 140 }
 141
 142 /* stores the following properties before the action:
 143  *
 144  *    [CustomActionData<=>UserSID<=>ProductCode]Action
 145  */
 146 static LPWSTR msi_get_deferred_action(LPCWSTR action, LPCWSTR actiondata,
 147                                       LPCWSTR usersid, LPCWSTR prodcode)
 148 {
 149     LPWSTR deferred;
 150     DWORD len;
 151
 152     static const WCHAR format[] = {
 153             '[','%','s','<','=','>','%','s','<','=','>','%','s',']','%','s',0
 154     };
 155
 156     if (!actiondata)
 157         return strdupW(action);
 158
 159     len = lstrlenW(action) + lstrlenW(actiondata) +
 160           lstrlenW(usersid) + lstrlenW(prodcode) +
 161           lstrlenW(format) - 7;
 162     deferred = msi_alloc(len * sizeof(WCHAR));
 163
 164     sprintfW(deferred, format, actiondata, usersid, prodcode, action);
 165     return deferred;
 166 }
 167
 168 static void set_deferred_action_props( MSIPACKAGE *package, const WCHAR *deferred_data )
 169 {
 170     static const WCHAR sep[] = {'<','=','>',0};
 171     const WCHAR *end, *beg = deferred_data + 1;
 172
 173     end = strstrW(beg, sep);
 174     msi_set_property( package->db, szCustomActionData, beg, end - beg );
 175     beg = end + 3;
 176
 177     end = strstrW(beg, sep);
 178     msi_set_property( package->db, szUserSID, beg, end - beg );
 179     beg = end + 3;
 180
 181     end = strchrW(beg, ']');
 182     msi_set_property( package->db, szProductCode, beg, end - beg );
 183 }
 184
 185 WCHAR *msi_create_temp_file( MSIDATABASE *db )
 186 {
 187     WCHAR *ret;
 188
 189     if (!db->tempfolder)
 190     {
 191         WCHAR tmp[MAX_PATH];
 192         UINT len = sizeof(tmp)/sizeof(tmp[0]);
 193
 194         if (msi_get_property( db, szTempFolder, tmp, &len ) ||
 195             GetFileAttributesW( tmp ) != FILE_ATTRIBUTE_DIRECTORY)
 196         {
 197             GetTempPathW( MAX_PATH, tmp );
 198         }
 199         if (!(db->tempfolder = strdupW( tmp ))) return NULL;
 200     }
 201
 202     if ((ret = msi_alloc( (strlenW( db->tempfolder ) + 20) * sizeof(WCHAR) )))
 203     {
 204         if (!GetTempFileNameW( db->tempfolder, szMsi, 0, ret ))
 205         {
 206             msi_free( ret );
 207             return NULL;
 208         }
 209     }
 210
 211     return ret;
 212 }
 213
 214 static MSIBINARY *create_temp_binary( MSIPACKAGE *package, LPCWSTR source, BOOL dll )
 215 {
 216     static const WCHAR query[] = {
 217         'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
 218         '`','B','i' ,'n','a','r','y','`',' ','W','H','E','R','E',' ',
 219         '`','N','a','m','e','`',' ','=',' ','\'','%','s','\'',0};
 220     MSIRECORD *row;
 221     MSIBINARY *binary = NULL;
 222     HANDLE file;
 223     CHAR buffer[1024];
 224     WCHAR *tmpfile;
 225     DWORD sz, write;
 226     UINT r;
 227
 228     if (!(tmpfile = msi_create_temp_file( package->db ))) return NULL;
 229
 230     if (!(row = MSI_QueryGetRecord( package->db, query, source ))) goto error;
 231     if (!(binary = msi_alloc_zero( sizeof(MSIBINARY) ))) goto error;
 232
 233     file = CreateFileW( tmpfile, GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL );
 234     if (file == INVALID_HANDLE_VALUE) goto error;
 235
 236     do
 237     {
 238         sz = sizeof(buffer);
 239         r = MSI_RecordReadStream( row, 2, buffer, &sz );
 240         if (r != ERROR_SUCCESS)
 241         {
 242             ERR("Failed to get stream\n");
 243             break;
 244         }
 245         WriteFile( file, buffer, sz, &write, NULL );
 246     } while (sz == sizeof buffer);
 247
 248     CloseHandle( file );
 249     if (r != ERROR_SUCCESS) goto error;
 250
 251     /* keep a reference to prevent the dll from being unloaded */
 252     if (dll && !(binary->module = LoadLibraryW( tmpfile )))
 253     {
 254         ERR( "failed to load dll %s (%u)\n", debugstr_w( tmpfile ), GetLastError() );
 255     }
 256     binary->source = strdupW( source );
 257     binary->tmpfile = tmpfile;
 258     list_add_tail( &package->binaries, &binary->entry );
 259
 260     msiobj_release( &row->hdr );
 261     return binary;
 262
 263 error:
 264     if (row) msiobj_release( &row->hdr );
 265     DeleteFileW( tmpfile );
 266     msi_free( tmpfile );
 267     msi_free( binary );
 268     return NULL;
 269 }
 270
 271 static MSIBINARY *get_temp_binary( MSIPACKAGE *package, LPCWSTR source, BOOL dll )
 272 {
 273     MSIBINARY *binary;
 274
 275     LIST_FOR_EACH_ENTRY( binary, &package->binaries, MSIBINARY, entry )
 276     {
 277         if (!strcmpW( binary->source, source ))
 278             return binary;
 279     }
 280
 281     return create_temp_binary( package, source, dll );
 282 }
 283
 284 static void file_running_action(MSIPACKAGE* package, HANDLE Handle,
 285                                 BOOL process, LPCWSTR name)
 286 {
 287     MSIRUNNINGACTION *action;
 288
 289     action = msi_alloc( sizeof(MSIRUNNINGACTION) );
 290
 291     action->handle = Handle;
 292     action->process = process;
 293     action->name = strdupW(name);
 294
 295     list_add_tail( &package->RunningActions, &action->entry );
 296 }
 297
 298 static UINT custom_get_process_return( HANDLE process )
 299 {
 300     DWORD rc = 0;
 301
 302     GetExitCodeProcess( process, &rc );
 303     TRACE("exit code is %u\n", rc);
 304     if (rc != 0)
 305         return ERROR_FUNCTION_FAILED;
 306     return ERROR_SUCCESS;
 307 }
 308
 309 static UINT custom_get_thread_return( MSIPACKAGE *package, HANDLE thread )
 310 {
 311     DWORD rc = 0;
 312
 313     GetExitCodeThread( thread, &rc );
 314
 315     switch (rc)
 316     {
 317     case ERROR_FUNCTION_NOT_CALLED:
 318     case ERROR_SUCCESS:
 319     case ERROR_INSTALL_USEREXIT:
 320     case ERROR_INSTALL_FAILURE:
 321         return rc;
 322     case ERROR_NO_MORE_ITEMS:
 323         return ERROR_SUCCESS;
 324     case ERROR_INSTALL_SUSPEND:
 325         ACTION_ForceReboot( package );
 326         return ERROR_SUCCESS;
 327     default:
 328         ERR("Invalid Return Code %d\n",rc);
 329         return ERROR_INSTALL_FAILURE;
 330     }
 331 }
 332
 333 static UINT wait_process_handle(MSIPACKAGE* package, UINT type,
 334                            HANDLE ProcessHandle, LPCWSTR name)
 335 {
 336     UINT rc = ERROR_SUCCESS;
 337
 338     if (!(type & msidbCustomActionTypeAsync))
 339     {
 340         TRACE("waiting for %s\n", debugstr_w(name));
 341
 342         msi_dialog_check_messages(ProcessHandle);
 343
 344         if (!(type & msidbCustomActionTypeContinue))
 345             rc = custom_get_process_return(ProcessHandle);
 346
 347         CloseHandle(ProcessHandle);
 348     }
 349     else
 350     {
 351         TRACE("%s running in background\n", debugstr_w(name));
 352
 353         if (!(type & msidbCustomActionTypeContinue))
 354             file_running_action(package, ProcessHandle, TRUE, name);
 355         else
 356             CloseHandle(ProcessHandle);
 357     }
 358
 359     return rc;
 360 }
 361
 362 typedef struct _msi_custom_action_info {
 363     struct list entry;
 364     LONG refs;
 365     MSIPACKAGE *package;
 366     LPWSTR source;
 367     LPWSTR target;
 368     HANDLE handle;
 369     LPWSTR action;
 370     INT type;
 371     GUID guid;
 372 } msi_custom_action_info;
 373
 374 static void release_custom_action_data( msi_custom_action_info *info )
 375 {
 376     EnterCriticalSection( &msi_custom_action_cs );
 377
 378     if (!--info->refs)
 379     {
 380         list_remove( &info->entry );
 381         if (info->handle)
 382             CloseHandle( info->handle );
 383         msi_free( info->action );
 384         msi_free( info->source );
 385         msi_free( info->target );
 386         msiobj_release( &info->package->hdr );
 387         msi_free( info );
 388     }
 389
 390     LeaveCriticalSection( &msi_custom_action_cs );
 391 }
 392
 393 /* must be called inside msi_custom_action_cs if info is in the pending custom actions list */
 394 static void addref_custom_action_data( msi_custom_action_info *info )
 395 {
 396     info->refs++;
 397  }
 398
 399 static UINT wait_thread_handle( msi_custom_action_info *info )
 400 {
 401     UINT rc = ERROR_SUCCESS;
 402
 403     if (!(info->type & msidbCustomActionTypeAsync))
 404     {
 405         TRACE("waiting for %s\n", debugstr_w( info->action ));
 406
 407         msi_dialog_check_messages( info->handle );
 408
 409         if (!(info->type & msidbCustomActionTypeContinue))
 410             rc = custom_get_thread_return( info->package, info->handle );
 411
 412         release_custom_action_data( info );
 413     }
 414     else
 415     {
 416         TRACE("%s running in background\n", debugstr_w( info->action ));
 417     }
 418
 419     return rc;
 420 }
 421
 422 static msi_custom_action_info *find_action_by_guid( const GUID *guid )
 423 {
 424     msi_custom_action_info *info;
 425     BOOL found = FALSE;
 426
 427     EnterCriticalSection( &msi_custom_action_cs );
 428
 429     LIST_FOR_EACH_ENTRY( info, &msi_pending_custom_actions, msi_custom_action_info, entry )
 430     {
 431         if (IsEqualGUID( &info->guid, guid ))
 432         {
 433             addref_custom_action_data( info );
 434             found = TRUE;
 435             break;
 436         }
 437     }
 438
 439     LeaveCriticalSection( &msi_custom_action_cs );
 440
 441     if (!found)
 442         return NULL;
 443
 444     return info;
 445 }
 446
 447 static void handle_msi_break( LPCWSTR target )
 448 {
 449     LPWSTR msg;
 450     WCHAR val[MAX_PATH];
 451
 452     static const WCHAR MsiBreak[] = { 'M','s','i','B','r','e','a','k',0 };
 453     static const WCHAR WindowsInstaller[] = {
 454         'W','i','n','d','o','w','s',' ','I','n','s','t','a','l','l','e','r',0
 455     };
 456
 457     static const WCHAR format[] = {
 458         'T','o',' ','d','e','b','u','g',' ','y','o','u','r',' ',
 459         'c','u','s','t','o','m',' ','a','c','t','i','o','n',',',' ',
 460         'a','t','t','a','c','h',' ','y','o','u','r',' ','d','e','b','u','g','g','e','r',' ',
 461         't','o',' ','p','r','o','c','e','s','s',' ','%','i',' ','(','0','x','%','X',')',' ',
 462         'a','n','d',' ','p','r','e','s','s',' ','O','K',0
 463     };
 464
 465     if( !GetEnvironmentVariableW( MsiBreak, val, MAX_PATH ))
 466         return;
 467
 468     if( strcmpiW( val, target ))
 469         return;
 470
 471     msg = msi_alloc( (lstrlenW(format) + 10) * sizeof(WCHAR) );
 472     if (!msg)
 473         return;
 474
 475     wsprintfW( msg, format, GetCurrentProcessId(), GetCurrentProcessId());
 476     MessageBoxW( NULL, msg, WindowsInstaller, MB_OK);
 477     msi_free(msg);
 478     DebugBreak();
 479 }
 480
 481 static UINT get_action_info( const GUID *guid, INT *type, MSIHANDLE *handle,
 482                              BSTR *dll, BSTR *funcname,
 483                              IWineMsiRemotePackage **package )
 484 {
 485     IClassFactory *cf = NULL;
 486     IWineMsiRemoteCustomAction *rca = NULL;
 487     HRESULT r;
 488
 489     r = DllGetClassObject( &CLSID_WineMsiRemoteCustomAction,
 490                            &IID_IClassFactory, (LPVOID *)&cf );
 491     if (FAILED(r))
 492     {
 493         ERR("failed to get IClassFactory interface\n");
 494         return ERROR_FUNCTION_FAILED;
 495     }
 496
 497     r = IClassFactory_CreateInstance( cf, NULL, &IID_IWineMsiRemoteCustomAction, (LPVOID *)&rca );
 498     if (FAILED(r))
 499     {
 500         ERR("failed to get IWineMsiRemoteCustomAction interface\n");
 501         return ERROR_FUNCTION_FAILED;
 502     }
 503
 504     r = IWineMsiRemoteCustomAction_GetActionInfo( rca, guid, type, handle, dll, funcname, package );
 505     IWineMsiRemoteCustomAction_Release( rca );
 506     if (FAILED(r))
 507     {
 508         ERR("GetActionInfo failed\n");
 509         return ERROR_FUNCTION_FAILED;
 510     }
 511
 512     return ERROR_SUCCESS;
 513 }
 514
 515 #ifdef __i386__
 516 extern UINT CUSTOMPROC_wrapper( MsiCustomActionEntryPoint proc, MSIHANDLE handle );
 517 __ASM_GLOBAL_FUNC( CUSTOMPROC_wrapper,
 518     "pushl %ebp\n\t"
 519     __ASM_CFI(".cfi_adjust_cfa_offset 4\n\t")
 520     __ASM_CFI(".cfi_rel_offset %ebp,0\n\t")
 521     "movl %esp,%ebp\n\t"
 522     __ASM_CFI(".cfi_def_cfa_register %ebp\n\t")
 523     "subl $4,%esp\n\t"
 524     "pushl 12(%ebp)\n\t"
 525     "movl 8(%ebp),%eax\n\t"
 526     "call *%eax\n\t"
 527     "leave\n\t"
 528     __ASM_CFI(".cfi_def_cfa %esp,4\n\t")
 529     __ASM_CFI(".cfi_same_value %ebp\n\t")
 530     "ret" )
 531 #else
 532 static inline UINT CUSTOMPROC_wrapper( MsiCustomActionEntryPoint proc, MSIHANDLE handle )
 533 {
 534     return proc(handle);
 535 }
 536 #endif
 537
 538 static DWORD ACTION_CallDllFunction( const GUID *guid )
 539 {
 540     MsiCustomActionEntryPoint fn;
 541     MSIHANDLE hPackage, handle;
 542     HANDLE hModule;
 543     LPSTR proc;
 544     UINT r = ERROR_FUNCTION_FAILED;
 545     BSTR dll = NULL, function = NULL;
 546     INT type;
 547     IWineMsiRemotePackage *remote_package = NULL;
 548
 549     TRACE("%s\n", debugstr_guid( guid ));
 550
 551     r = get_action_info( guid, &type, &handle, &dll, &function, &remote_package );
 552     if (r != ERROR_SUCCESS)
 553         return r;
 554
 555     hModule = LoadLibraryW( dll );
 556     if (!hModule)
 557     {
 558         ERR( "failed to load dll %s (%u)\n", debugstr_w( dll ), GetLastError() );
 559         return ERROR_SUCCESS;
 560     }
 561
 562     proc = strdupWtoA( function );
 563     fn = (MsiCustomActionEntryPoint) GetProcAddress( hModule, proc );
 564     msi_free( proc );
 565     if (fn)
 566     {
 567         hPackage = alloc_msi_remote_handle( (IUnknown *)remote_package );
 568         if (hPackage)
 569         {
 570             IWineMsiRemotePackage_SetMsiHandle( remote_package, handle );
 571             TRACE("calling %s\n", debugstr_w( function ) );
 572             handle_msi_break( function );
 573
 574             __TRY
 575             {
 576                 r = CUSTOMPROC_wrapper( fn, hPackage );
 577             }
 578             __EXCEPT_PAGE_FAULT
 579             {
 580                 ERR("Custom action (%s:%s) caused a page fault: %08x\n",
 581                     debugstr_w(dll), debugstr_w(function), GetExceptionCode());
 582                 r = ERROR_SUCCESS;
 583             }
 584             __ENDTRY;
 585
 586             MsiCloseHandle( hPackage );
 587         }
 588         else
 589             ERR("failed to create handle for %p\n", remote_package );
 590     }
 591     else
 592         ERR("GetProcAddress(%s) failed\n", debugstr_w( function ) );
 593
 594     FreeLibrary(hModule);
 595
 596     IWineMsiRemotePackage_Release( remote_package );
 597     SysFreeString( dll );
 598     SysFreeString( function );
 599     MsiCloseHandle( handle );
 600
 601     return r;
 602 }
 603
 604 static DWORD WINAPI DllThread( LPVOID arg )
 605 {
 606     LPGUID guid = arg;
 607     DWORD rc = 0;
 608
 609     TRACE("custom action (%x) started\n", GetCurrentThreadId() );
 610
 611     rc = ACTION_CallDllFunction( guid );
 612
 613     TRACE("custom action (%x) returned %i\n", GetCurrentThreadId(), rc );
 614
 615     MsiCloseAllHandles();
 616     return rc;
 617 }
 618
 619 static msi_custom_action_info *do_msidbCustomActionTypeDll(
 620     MSIPACKAGE *package, INT type, LPCWSTR source, LPCWSTR target, LPCWSTR action )
 621 {
 622     msi_custom_action_info *info;
 623
 624     info = msi_alloc( sizeof *info );
 625     if (!info)
 626         return NULL;
 627
 628     msiobj_addref( &package->hdr );
 629     info->refs = 2; /* 1 for our caller and 1 for thread we created */
 630     info->package = package;
 631     info->type = type;
 632     info->target = strdupW( target );
 633     info->source = strdupW( source );
 634     info->action = strdupW( action );
 635     CoCreateGuid( &info->guid );
 636
 637     EnterCriticalSection( &msi_custom_action_cs );
 638     list_add_tail( &msi_pending_custom_actions, &info->entry );
 639     LeaveCriticalSection( &msi_custom_action_cs );
 640
 641     info->handle = CreateThread( NULL, 0, DllThread, &info->guid, 0, NULL );
 642     if (!info->handle)
 643     {
 644         /* release both references */
 645         release_custom_action_data( info );
 646         release_custom_action_data( info );
 647         return NULL;
 648     }
 649
 650     return info;
 651 }
 652
 653 static UINT HANDLE_CustomType1( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
 654                                 INT type, const WCHAR *action )
 655 {
 656     msi_custom_action_info *info;
 657     MSIBINARY *binary;
 658
 659     if (!(binary = get_temp_binary( package, source, TRUE )))
 660         return ERROR_FUNCTION_FAILED;
 661
 662     TRACE("Calling function %s from %s\n", debugstr_w(target), debugstr_w(binary->tmpfile));
 663
 664     info = do_msidbCustomActionTypeDll( package, type, binary->tmpfile, target, action );
 665     return wait_thread_handle( info );
 666 }
 667
 668 static HANDLE execute_command( const WCHAR *app, WCHAR *arg, const WCHAR *dir )
 669 {
 670     static const WCHAR dotexeW[] = {'.','e','x','e',0};
 671     STARTUPINFOW si;
 672     PROCESS_INFORMATION info;
 673     WCHAR *exe = NULL, *cmd = NULL, *p;
 674     BOOL ret;
 675
 676     if (app)
 677     {
 678         int len_arg = 0;
 679         DWORD len_exe;
 680
 681         if (!(exe = msi_alloc( MAX_PATH * sizeof(WCHAR) ))) return INVALID_HANDLE_VALUE;
 682         len_exe = SearchPathW( NULL, app, dotexeW, MAX_PATH, exe, NULL );
 683         if (len_exe >= MAX_PATH)
 684         {
 685             msi_free( exe );
 686             if (!(exe = msi_alloc( len_exe * sizeof(WCHAR) ))) return INVALID_HANDLE_VALUE;
 687             len_exe = SearchPathW( NULL, app, dotexeW, len_exe, exe, NULL );
 688         }
 689         if (!len_exe)
 690         {
 691             ERR("can't find executable %u\n", GetLastError());
 692             msi_free( exe );
 693             return INVALID_HANDLE_VALUE;
 694         }
 695
 696         if (arg) len_arg = strlenW( arg );
 697         if (!(cmd = msi_alloc( (len_exe + len_arg + 4) * sizeof(WCHAR) )))
 698         {
 699             msi_free( exe );
 700             return INVALID_HANDLE_VALUE;
 701         }
 702         p = cmd;
 703         if (strchrW( exe, ' ' ))
 704         {
 705             *p++ = '\"';
 706             memcpy( p, exe, len_exe * sizeof(WCHAR) );
 707             p += len_exe;
 708             *p++ = '\"';
 709             *p = 0;
 710         }
 711         else
 712         {
 713             strcpyW( p, exe );
 714             p += len_exe;
 715         }
 716         if (arg)
 717         {
 718             *p++ = ' ';
 719             memcpy( p, arg, len_arg * sizeof(WCHAR) );
 720             p[len_arg] = 0;
 721         }
 722     }
 723     memset( &si, 0, sizeof(STARTUPINFOW) );
 724     ret = CreateProcessW( exe, exe ? cmd : arg, NULL, NULL, FALSE, 0, NULL, dir, &si, &info );
 725     msi_free( cmd );
 726     msi_free( exe );
 727     if (!ret)
 728     {
 729         ERR("unable to execute command %u\n", GetLastError());
 730         return INVALID_HANDLE_VALUE;
 731     }
 732     CloseHandle( info.hThread );
 733     return info.hProcess;
 734 }
 735
 736 static UINT HANDLE_CustomType2( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
 737                                 INT type, const WCHAR *action )
 738 {
 739     MSIBINARY *binary;
 740     HANDLE handle;
 741     WCHAR *arg;
 742
 743     if (!(binary = get_temp_binary( package, source, FALSE ))) return ERROR_FUNCTION_FAILED;
 744
 745     deformat_string( package, target, &arg );
 746     TRACE("exe %s arg %s\n", debugstr_w(binary->tmpfile), debugstr_w(arg));
 747
 748     handle = execute_command( binary->tmpfile, arg, szCRoot );
 749     msi_free( arg );
 750     if (handle == INVALID_HANDLE_VALUE) return ERROR_SUCCESS;
 751     return wait_process_handle( package, type, handle, action );
 752 }
 753
 754 static UINT HANDLE_CustomType17( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
 755                                  INT type, const WCHAR *action )
 756 {
 757     msi_custom_action_info *info;
 758     MSIFILE *file;
 759
 760     TRACE("%s %s\n", debugstr_w(source), debugstr_w(target));
 761
 762     file = msi_get_loaded_file( package, source );
 763     if (!file)
 764     {
 765         ERR("invalid file key %s\n", debugstr_w( source ));
 766         return ERROR_FUNCTION_FAILED;
 767     }
 768
 769     info = do_msidbCustomActionTypeDll( package, type, file->TargetPath, target, action );
 770     return wait_thread_handle( info );
 771 }
 772
 773 static UINT HANDLE_CustomType18( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
 774                                  INT type, const WCHAR *action )
 775 {
 776     MSIFILE *file;
 777     HANDLE handle;
 778     WCHAR *arg;
 779
 780     if (!(file = msi_get_loaded_file( package, source ))) return ERROR_FUNCTION_FAILED;
 781
 782     deformat_string( package, target, &arg );
 783     TRACE("exe %s arg %s\n", debugstr_w(file->TargetPath), debugstr_w(arg));
 784
 785     handle = execute_command( file->TargetPath, arg, szCRoot );
 786     msi_free( arg );
 787     if (handle == INVALID_HANDLE_VALUE) return ERROR_SUCCESS;
 788     return wait_process_handle( package, type, handle, action );
 789 }
 790
 791 static UINT HANDLE_CustomType19( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
 792                                  INT type, const WCHAR *action )
 793 {
 794     static const WCHAR query[] = {
 795       'S','E','L','E','C','T',' ','`','M','e','s','s','a','g','e','`',' ',
 796       'F','R','O','M',' ','`','E','r','r','o','r','`',' ',
 797       'W','H','E','R','E',' ','`','E','r','r','o','r','`',' ','=',' ',
 798       '%','s',0
 799     };
 800     MSIRECORD *row = 0;
 801     LPWSTR deformated = NULL;
 802
 803     deformat_string( package, target, &deformated );
 804
 805     /* first try treat the error as a number */
 806     row = MSI_QueryGetRecord( package->db, query, deformated );
 807     if( row )
 808     {
 809         LPCWSTR error = MSI_RecordGetString( row, 1 );
 810         if ((package->ui_level & INSTALLUILEVEL_MASK) != INSTALLUILEVEL_NONE)
 811             MessageBoxW( NULL, error, NULL, MB_OK );
 812         msiobj_release( &row->hdr );
 813     }
 814     else if ((package->ui_level & INSTALLUILEVEL_MASK) != INSTALLUILEVEL_NONE)
 815         MessageBoxW( NULL, deformated, NULL, MB_OK );
 816
 817     msi_free( deformated );
 818
 819     return ERROR_INSTALL_FAILURE;
 820 }
 821
 822 static UINT HANDLE_CustomType23( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
 823                                  INT type, const WCHAR *action )
 824 {
 825     static const WCHAR msiexecW[] = {'m','s','i','e','x','e','c',0};
 826     static const WCHAR paramsW[] = {'/','q','b',' ','/','i',' '};
 827     WCHAR *dir, *arg, *p;
 828     UINT len_src, len_dir, len_tgt, len = sizeof(paramsW)/sizeof(paramsW[0]);
 829     HANDLE handle;
 830
 831     if (!(dir = msi_dup_property( package->db, szOriginalDatabase ))) return ERROR_OUTOFMEMORY;
 832     if (!(p = strrchrW( dir, '\\' )) && !(p = strrchrW( dir, '/' )))
 833     {
 834         msi_free( dir );
 835         return ERROR_FUNCTION_FAILED;
 836     }
 837     *p = 0;
 838     len_dir = p - dir;
 839     len_src = strlenW( source );
 840     len_tgt = strlenW( target );
 841     if (!(arg = msi_alloc( (len + len_dir + len_src + len_tgt + 5) * sizeof(WCHAR) )))
 842     {
 843         msi_free( dir );
 844         return ERROR_OUTOFMEMORY;
 845     }
 846     memcpy( arg, paramsW, sizeof(paramsW) );
 847     arg[len++] = '"';
 848     memcpy( arg + len, dir, len_dir * sizeof(WCHAR) );
 849     len += len_dir;
 850     arg[len++] = '\\';
 851     memcpy( arg + len, source, len_src * sizeof(WCHAR) );
 852     len += len_src;
 853     arg[len++] = '"';
 854     arg[len++] = ' ';
 855     strcpyW( arg + len, target );
 856
 857     TRACE("installing %s concurrently\n", debugstr_w(source));
 858
 859     handle = execute_command( msiexecW, arg, dir );
 860     msi_free( dir );
 861     msi_free( arg );
 862     if (handle == INVALID_HANDLE_VALUE) return ERROR_SUCCESS;
 863     return wait_process_handle( package, type, handle, action );
 864 }
 865
 866 static UINT HANDLE_CustomType50( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
 867                                  INT type, const WCHAR *action )
 868 {
 869     WCHAR *exe, *arg;
 870     HANDLE handle;
 871
 872     if (!(exe = msi_dup_property( package->db, source ))) return ERROR_SUCCESS;
 873
 874     deformat_string( package, target, &arg );
 875     TRACE("exe %s arg %s\n", debugstr_w(exe), debugstr_w(arg));
 876
 877     handle = execute_command( exe, arg, szCRoot );
 878     msi_free( exe );
 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_CustomType34( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
 885                                  INT type, const WCHAR *action )
 886 {
 887     const WCHAR *workingdir = NULL;
 888     HANDLE handle;
 889     WCHAR *cmd;
 890
 891     if (source)
 892     {
 893         workingdir = msi_get_target_folder( package, source );
 894         if (!workingdir) return ERROR_FUNCTION_FAILED;
 895     }
 896     deformat_string( package, target, &cmd );
 897     if (!cmd) return ERROR_FUNCTION_FAILED;
 898
 899     TRACE("cmd %s dir %s\n", debugstr_w(cmd), debugstr_w(workingdir));
 900
 901     handle = execute_command( NULL, cmd, workingdir );
 902     msi_free( cmd );
 903     if (handle == INVALID_HANDLE_VALUE) return ERROR_SUCCESS;
 904     return wait_process_handle( package, type, handle, action );
 905 }
 906
 907 static DWORD ACTION_CallScript( const GUID *guid )
 908 {
 909     msi_custom_action_info *info;
 910     MSIHANDLE hPackage;
 911     UINT r = ERROR_FUNCTION_FAILED;
 912
 913     info = find_action_by_guid( guid );
 914     if (!info)
 915     {
 916         ERR("failed to find action %s\n", debugstr_guid( guid) );
 917         return ERROR_FUNCTION_FAILED;
 918     }
 919
 920     TRACE("function %s, script %s\n", debugstr_w( info->target ), debugstr_w( info->source ) );
 921
 922     hPackage = alloc_msihandle( &info->package->hdr );
 923     if (hPackage)
 924     {
 925         r = call_script( hPackage, info->type, info->source, info->target, info->action );
 926         TRACE("script returned %u\n", r);
 927         MsiCloseHandle( hPackage );
 928     }
 929     else
 930         ERR("failed to create handle for %p\n", info->package );
 931
 932     release_custom_action_data( info );
 933     return r;
 934 }
 935
 936 static DWORD WINAPI ScriptThread( LPVOID arg )
 937 {
 938     LPGUID guid = arg;
 939     DWORD rc;
 940
 941     TRACE("custom action (%x) started\n", GetCurrentThreadId() );
 942
 943     rc = ACTION_CallScript( guid );
 944
 945     TRACE("custom action (%x) returned %i\n", GetCurrentThreadId(), rc );
 946
 947     MsiCloseAllHandles();
 948     return rc;
 949 }
 950
 951 static msi_custom_action_info *do_msidbCustomActionTypeScript(
 952     MSIPACKAGE *package, INT type, LPCWSTR script, LPCWSTR function, LPCWSTR action )
 953 {
 954     msi_custom_action_info *info;
 955
 956     info = msi_alloc( sizeof *info );
 957     if (!info)
 958         return NULL;
 959
 960     msiobj_addref( &package->hdr );
 961     info->refs = 2; /* 1 for our caller and 1 for thread we created */
 962     info->package = package;
 963     info->type = type;
 964     info->target = strdupW( function );
 965     info->source = strdupW( script );
 966     info->action = strdupW( action );
 967     CoCreateGuid( &info->guid );
 968
 969     EnterCriticalSection( &msi_custom_action_cs );
 970     list_add_tail( &msi_pending_custom_actions, &info->entry );
 971     LeaveCriticalSection( &msi_custom_action_cs );
 972
 973     info->handle = CreateThread( NULL, 0, ScriptThread, &info->guid, 0, NULL );
 974     if (!info->handle)
 975     {
 976         /* release both references */
 977         release_custom_action_data( info );
 978         release_custom_action_data( info );
 979         return NULL;
 980     }
 981
 982     return info;
 983 }
 984
 985 static UINT HANDLE_CustomType37_38( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
 986                                     INT type, const WCHAR *action )
 987 {
 988     msi_custom_action_info *info;
 989
 990     TRACE("%s %s\n", debugstr_w(source), debugstr_w(target));
 991
 992     info = do_msidbCustomActionTypeScript( package, type, target, NULL, action );
 993     return wait_thread_handle( info );
 994 }
 995
 996 static UINT HANDLE_CustomType5_6( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
 997                                   INT type, const WCHAR *action )
 998 {
 999     static const WCHAR query[] = {
1000         'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
1001         '`','B','i' ,'n','a','r','y','`',' ','W','H','E','R','E',' ',
1002         '`','N','a','m','e','`',' ','=',' ','\'','%','s','\'',0};
1003     MSIRECORD *row = NULL;
1004     msi_custom_action_info *info;
1005     CHAR *buffer = NULL;
1006     WCHAR *bufferw = NULL;
1007     DWORD sz = 0;
1008     UINT r;
1009
1010     TRACE("%s %s\n", debugstr_w(source), debugstr_w(target));
1011
1012     row = MSI_QueryGetRecord(package->db, query, source);
1013     if (!row)
1014         return ERROR_FUNCTION_FAILED;
1015
1016     r = MSI_RecordReadStream(row, 2, NULL, &sz);
1017     if (r != ERROR_SUCCESS) goto done;
1018
1019     buffer = msi_alloc( sz + 1 );
1020     if (!buffer)
1021     {
1022        r = ERROR_FUNCTION_FAILED;
1023        goto done;
1024     }
1025
1026     r = MSI_RecordReadStream(row, 2, buffer, &sz);
1027     if (r != ERROR_SUCCESS)
1028         goto done;
1029
1030     buffer[sz] = 0;
1031     bufferw = strdupAtoW(buffer);
1032     if (!bufferw)
1033     {
1034         r = ERROR_FUNCTION_FAILED;
1035         goto done;
1036     }
1037
1038     info = do_msidbCustomActionTypeScript( package, type, bufferw, target, action );
1039     r = wait_thread_handle( info );
1040
1041 done:
1042     msi_free(bufferw);
1043     msi_free(buffer);
1044     msiobj_release(&row->hdr);
1045     return r;
1046 }
1047
1048 static UINT HANDLE_CustomType21_22( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
1049                                     INT type, const WCHAR *action )
1050 {
1051     msi_custom_action_info *info;
1052     MSIFILE *file;
1053     HANDLE hFile;
1054     DWORD sz, szHighWord = 0, read;
1055     CHAR *buffer=NULL;
1056     WCHAR *bufferw=NULL;
1057     BOOL bRet;
1058     UINT r;
1059
1060     TRACE("%s %s\n", debugstr_w(source), debugstr_w(target));
1061
1062     file = msi_get_loaded_file(package, source);
1063     if (!file)
1064     {
1065         ERR("invalid file key %s\n", debugstr_w(source));
1066         return ERROR_FUNCTION_FAILED;
1067     }
1068
1069     hFile = CreateFileW(file->TargetPath, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
1070     if (hFile == INVALID_HANDLE_VALUE) return ERROR_FUNCTION_FAILED;
1071
1072     sz = GetFileSize(hFile, &szHighWord);
1073     if (sz == INVALID_FILE_SIZE || szHighWord != 0)
1074     {
1075         CloseHandle(hFile);
1076         return ERROR_FUNCTION_FAILED;
1077     }
1078     buffer = msi_alloc( sz + 1 );
1079     if (!buffer)
1080     {
1081         CloseHandle(hFile);
1082         return ERROR_FUNCTION_FAILED;
1083     }
1084     bRet = ReadFile(hFile, buffer, sz, &read, NULL);
1085     CloseHandle(hFile);
1086     if (!bRet)
1087     {
1088         r = ERROR_FUNCTION_FAILED;
1089         goto done;
1090     }
1091     buffer[read] = 0;
1092     bufferw = strdupAtoW(buffer);
1093     if (!bufferw)
1094     {
1095         r = ERROR_FUNCTION_FAILED;
1096         goto done;
1097     }
1098     info = do_msidbCustomActionTypeScript( package, type, bufferw, target, action );
1099     r = wait_thread_handle( info );
1100
1101 done:
1102     msi_free(bufferw);
1103     msi_free(buffer);
1104     return r;
1105 }
1106
1107 static UINT HANDLE_CustomType53_54( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
1108                                     INT type, const WCHAR *action )
1109 {
1110     msi_custom_action_info *info;
1111     WCHAR *prop;
1112
1113     TRACE("%s %s\n", debugstr_w(source), debugstr_w(target));
1114
1115     prop = msi_dup_property( package->db, source );
1116     if (!prop) return ERROR_SUCCESS;
1117
1118     info = do_msidbCustomActionTypeScript( package, type, prop, NULL, action );
1119     msi_free(prop);
1120     return wait_thread_handle( info );
1121 }
1122
1123 static BOOL action_type_matches_script( UINT type, UINT script )
1124 {
1125     switch (script)
1126     {
1127     case SCRIPT_NONE:
1128     case SCRIPT_INSTALL:
1129         return !(type & msidbCustomActionTypeCommit) && !(type & msidbCustomActionTypeRollback);
1130     case SCRIPT_COMMIT:
1131         return (type & msidbCustomActionTypeCommit);
1132     case SCRIPT_ROLLBACK:
1133         return (type & msidbCustomActionTypeRollback);
1134     default:
1135         ERR("unhandled script %u\n", script);
1136     }
1137     return FALSE;
1138 }
1139
1140 static UINT defer_custom_action( MSIPACKAGE *package, const WCHAR *action, UINT type )
1141 {
1142     WCHAR *actiondata = msi_dup_property( package->db, action );
1143     WCHAR *usersid = msi_dup_property( package->db, szUserSID );
1144     WCHAR *prodcode = msi_dup_property( package->db, szProductCode );
1145     WCHAR *deferred = msi_get_deferred_action( action, actiondata, usersid, prodcode );
1146
1147     if (!deferred)
1148     {
1149         msi_free( actiondata );
1150         msi_free( usersid );
1151         msi_free( prodcode );
1152         return ERROR_OUTOFMEMORY;
1153     }
1154     if (type & msidbCustomActionTypeCommit)
1155     {
1156         TRACE("deferring commit action\n");
1157         msi_schedule_action( package, SCRIPT_COMMIT, deferred );
1158     }
1159     else if (type & msidbCustomActionTypeRollback)
1160     {
1161         TRACE("deferring rollback action\n");
1162         msi_schedule_action( package, SCRIPT_ROLLBACK, deferred );
1163     }
1164     else
1165     {
1166         TRACE("deferring install action\n");
1167         msi_schedule_action( package, SCRIPT_INSTALL, deferred );
1168     }
1169
1170     msi_free( actiondata );
1171     msi_free( usersid );
1172     msi_free( prodcode );
1173     msi_free( deferred );
1174     return ERROR_SUCCESS;
1175 }
1176
1177 UINT ACTION_CustomAction( MSIPACKAGE *package, LPCWSTR action, UINT script )
1178 {
1179     static const WCHAR query[] = {
1180         'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
1181         '`','C','u','s','t','o','m','A','c','t','i','o','n','`',' ','W','H','E','R','E',' ',
1182         '`','A','c','t','i' ,'o','n','`',' ','=',' ','\'','%','s','\'',0};
1183     UINT rc = ERROR_SUCCESS;
1184     MSIRECORD *row;
1185     UINT type;
1186     const WCHAR *source, *target, *ptr, *deferred_data = NULL;
1187     WCHAR *deformated = NULL;
1188     int len;
1189
1190     /* deferred action: [properties]Action */
1191     if ((ptr = strrchrW(action, ']')))
1192     {
1193         deferred_data = action;
1194         action = ptr + 1;
1195     }
1196
1197     row = MSI_QueryGetRecord( package->db, query, action );
1198     if (!row)
1199         return ERROR_FUNCTION_NOT_CALLED;
1200
1201     type = MSI_RecordGetInteger(row,2);
1202     source = MSI_RecordGetString(row,3);
1203     target = MSI_RecordGetString(row,4);
1204
1205     TRACE("Handling custom action %s (%x %s %s)\n",debugstr_w(action),type,
1206           debugstr_w(source), debugstr_w(target));
1207
1208     /* handle some of the deferred actions */
1209     if (type & msidbCustomActionTypeTSAware)
1210         FIXME("msidbCustomActionTypeTSAware not handled\n");
1211
1212     if (type & msidbCustomActionTypeInScript)
1213     {
1214         if (type & msidbCustomActionTypeNoImpersonate)
1215             WARN("msidbCustomActionTypeNoImpersonate not handled\n");
1216
1217         if (!action_type_matches_script( type, script ))
1218         {
1219             rc = defer_custom_action( package, action, type );
1220             goto end;
1221         }
1222         else
1223         {
1224             LPWSTR actiondata = msi_dup_property( package->db, action );
1225
1226             if (type & msidbCustomActionTypeInScript)
1227                 package->scheduled_action_running = TRUE;
1228
1229             if (type & msidbCustomActionTypeCommit)
1230                 package->commit_action_running = TRUE;
1231
1232             if (type & msidbCustomActionTypeRollback)
1233                 package->rollback_action_running = TRUE;
1234
1235             if (deferred_data)
1236                 set_deferred_action_props(package, deferred_data);
1237             else if (actiondata)
1238                 msi_set_property( package->db, szCustomActionData, actiondata, -1 );
1239             else
1240                 msi_set_property( package->db, szCustomActionData, szEmpty, -1 );
1241
1242             msi_free(actiondata);
1243         }
1244     }
1245     else if (!check_execution_scheduling_options(package,action,type))
1246     {
1247         rc = ERROR_SUCCESS;
1248         goto end;
1249     }
1250
1251     switch (type & CUSTOM_ACTION_TYPE_MASK)
1252     {
1253         case 1: /* DLL file stored in a Binary table stream */
1254             rc = HANDLE_CustomType1(package,source,target,type,action);
1255             break;
1256         case 2: /* EXE file stored in a Binary table stream */
1257             rc = HANDLE_CustomType2(package,source,target,type,action);
1258             break;
1259         case 18: /*EXE file installed with package */
1260             rc = HANDLE_CustomType18(package,source,target,type,action);
1261             break;
1262         case 19: /* Error that halts install */
1263             rc = HANDLE_CustomType19(package,source,target,type,action);
1264             break;
1265         case 17:
1266             rc = HANDLE_CustomType17(package,source,target,type,action);
1267             break;
1268         case 23: /* installs another package in the source tree */
1269             deformat_string(package,target,&deformated);
1270             rc = HANDLE_CustomType23(package,source,deformated,type,action);
1271             msi_free(deformated);
1272             break;
1273         case 50: /*EXE file specified by a property value */
1274             rc = HANDLE_CustomType50(package,source,target,type,action);
1275             break;
1276         case 34: /*EXE to be run in specified directory */
1277             rc = HANDLE_CustomType34(package,source,target,type,action);
1278             break;
1279         case 35: /* Directory set with formatted text. */
1280             deformat_string(package,target,&deformated);
1281             MSI_SetTargetPathW(package, source, deformated);
1282             msi_free(deformated);
1283             break;
1284         case 51: /* Property set with formatted text. */
1285             if (!source)
1286                 break;
1287
1288             len = deformat_string( package, target, &deformated );
1289             rc = msi_set_property( package->db, source, deformated, len );
1290             if (rc == ERROR_SUCCESS && !strcmpW( source, szSourceDir ))
1291                 msi_reset_folders( package, TRUE );
1292             msi_free(deformated);
1293             break;
1294     case 37: /* JScript/VBScript text stored in target column. */
1295     case 38:
1296         rc = HANDLE_CustomType37_38(package,source,target,type,action);
1297         break;
1298     case 5:
1299     case 6: /* JScript/VBScript file stored in a Binary table stream. */
1300         rc = HANDLE_CustomType5_6(package,source,target,type,action);
1301         break;
1302     case 21: /* JScript/VBScript file installed with the product. */
1303     case 22:
1304         rc = HANDLE_CustomType21_22(package,source,target,type,action);
1305         break;
1306     case 53: /* JScript/VBScript text specified by a property value. */
1307     case 54:
1308         rc = HANDLE_CustomType53_54(package,source,target,type,action);
1309         break;
1310     default:
1311         FIXME("unhandled action type %u (%s %s)\n", type & CUSTOM_ACTION_TYPE_MASK,
1312               debugstr_w(source), debugstr_w(target));
1313     }
1314
1315 end:
1316     package->scheduled_action_running = FALSE;
1317     package->commit_action_running = FALSE;
1318     package->rollback_action_running = FALSE;
1319     msiobj_release(&row->hdr);
1320     return rc;
1321 }
1322
1323 void ACTION_FinishCustomActions(const MSIPACKAGE* package)
1324 {
1325     struct list *item;
1326     HANDLE *wait_handles;
1327     unsigned int handle_count, i;
1328     msi_custom_action_info *info, *cursor;
1329
1330     while ((item = list_head( &package->RunningActions )))
1331     {
1332         MSIRUNNINGACTION *action = LIST_ENTRY( item, MSIRUNNINGACTION, entry );
1333
1334         list_remove( &action->entry );
1335
1336         TRACE("waiting for %s\n", debugstr_w( action->name ) );
1337         msi_dialog_check_messages( action->handle );
1338
1339         CloseHandle( action->handle );
1340         msi_free( action->name );
1341         msi_free( action );
1342     }
1343
1344     EnterCriticalSection( &msi_custom_action_cs );
1345
1346     handle_count = list_count( &msi_pending_custom_actions );
1347     wait_handles = msi_alloc( handle_count * sizeof(HANDLE) );
1348
1349     handle_count = 0;
1350     LIST_FOR_EACH_ENTRY_SAFE( info, cursor, &msi_pending_custom_actions, msi_custom_action_info, entry )
1351     {
1352         if (info->package == package )
1353         {
1354             if (DuplicateHandle(GetCurrentProcess(), info->handle, GetCurrentProcess(), &wait_handles[handle_count], SYNCHRONIZE, FALSE, 0))
1355                 handle_count++;
1356         }
1357     }
1358
1359     LeaveCriticalSection( &msi_custom_action_cs );
1360
1361     for (i = 0; i < handle_count; i++)
1362     {
1363         msi_dialog_check_messages( wait_handles[i] );
1364         CloseHandle( wait_handles[i] );
1365     }
1366     msi_free( wait_handles );
1367
1368     EnterCriticalSection( &msi_custom_action_cs );
1369     LIST_FOR_EACH_ENTRY_SAFE( info, cursor, &msi_pending_custom_actions, msi_custom_action_info, entry )
1370     {
1371         if (info->package == package) release_custom_action_data( info );
1372     }
1373     LeaveCriticalSection( &msi_custom_action_cs );
1374 }
1375
1376 typedef struct _msi_custom_remote_impl {
1377     IWineMsiRemoteCustomAction IWineMsiRemoteCustomAction_iface;
1378     LONG refs;
1379 } msi_custom_remote_impl;
1380
1381 static inline msi_custom_remote_impl *impl_from_IWineMsiRemoteCustomAction( IWineMsiRemoteCustomAction *iface )
1382 {
1383     return CONTAINING_RECORD(iface, msi_custom_remote_impl, IWineMsiRemoteCustomAction_iface);
1384 }
1385
1386 static HRESULT WINAPI mcr_QueryInterface( IWineMsiRemoteCustomAction *iface,
1387                 REFIID riid,LPVOID *ppobj)
1388 {
1389     if( IsEqualCLSID( riid, &IID_IUnknown ) ||
1390         IsEqualCLSID( riid, &IID_IWineMsiRemoteCustomAction ) )
1391     {
1392         IWineMsiRemoteCustomAction_AddRef( iface );
1393         *ppobj = iface;
1394         return S_OK;
1395     }
1396
1397     return E_NOINTERFACE;
1398 }
1399
1400 static ULONG WINAPI mcr_AddRef( IWineMsiRemoteCustomAction *iface )
1401 {
1402     msi_custom_remote_impl* This = impl_from_IWineMsiRemoteCustomAction( iface );
1403
1404     return InterlockedIncrement( &This->refs );
1405 }
1406
1407 static ULONG WINAPI mcr_Release( IWineMsiRemoteCustomAction *iface )
1408 {
1409     msi_custom_remote_impl* This = impl_from_IWineMsiRemoteCustomAction( iface );
1410     ULONG r;
1411
1412     r = InterlockedDecrement( &This->refs );
1413     if (r == 0)
1414         msi_free( This );
1415     return r;
1416 }
1417
1418 static HRESULT WINAPI mcr_GetActionInfo( IWineMsiRemoteCustomAction *iface, LPCGUID custom_action_guid,
1419          INT *type, MSIHANDLE *handle, BSTR *dll, BSTR *func, IWineMsiRemotePackage **remote_package )
1420 {
1421     msi_custom_action_info *info;
1422
1423     info = find_action_by_guid( custom_action_guid );
1424     if (!info)
1425         return E_FAIL;
1426
1427     *type = info->type;
1428     *handle = alloc_msihandle( &info->package->hdr );
1429     *dll = SysAllocString( info->source );
1430     *func = SysAllocString( info->target );
1431
1432     release_custom_action_data( info );
1433     return create_msi_remote_package( NULL, (LPVOID *)remote_package );
1434 }
1435
1436 static const IWineMsiRemoteCustomActionVtbl msi_custom_remote_vtbl =
1437 {
1438     mcr_QueryInterface,
1439     mcr_AddRef,
1440     mcr_Release,
1441     mcr_GetActionInfo,
1442 };
1443
1444 HRESULT create_msi_custom_remote( IUnknown *pOuter, LPVOID *ppObj )
1445 {
1446     msi_custom_remote_impl* This;
1447
1448     This = msi_alloc( sizeof *This );
1449     if (!This)
1450         return E_OUTOFMEMORY;
1451
1452     This->IWineMsiRemoteCustomAction_iface.lpVtbl = &msi_custom_remote_vtbl;
1453     This->refs = 1;
1454
1455     *ppObj = &This->IWineMsiRemoteCustomAction_iface;
1456
1457     return S_OK;
1458 }