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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 /*
  22  * Pages I need
  23  *
  24 http://msdn.microsoft.com/library/default.asp?url=/library/en-us/msi/setup/summary_list_of_all_custom_action_types.asp
  25  */
  26
  27 #include <stdarg.h>
  28 #include <stdio.h>
  29
  30 #define COBJMACROS
  31
  32 #include "windef.h"
  33 #include "winbase.h"
  34 #include "winerror.h"
  35 #include "winreg.h"
  36 #include "wine/debug.h"
  37 #include "fdi.h"
  38 #include "msi.h"
  39 #include "msidefs.h"
  40 #include "msiquery.h"
  41 #include "msvcrt/fcntl.h"
  42 #include "objbase.h"
  43 #include "objidl.h"
  44 #include "msipriv.h"
  45 #include "winnls.h"
  46 #include "winuser.h"
  47 #include "shlobj.h"
  48 #include "wine/unicode.h"
  49 #include "winver.h"
  50 #include "action.h"
  51
  52 WINE_DEFAULT_DEBUG_CHANNEL(msi);
  53
  54 #define CUSTOM_ACTION_TYPE_MASK 0x3F
  55 static const WCHAR c_collen[] = {'C',':','\\',0};
  56 static const WCHAR cszTempFolder[]= {'T','e','m','p','F','o','l','d','e','r',0};
  57
  58 typedef struct tagMSIRUNNINGACTION
  59 {
  60     struct list entry;
  61     HANDLE handle;
  62     BOOL   process;
  63     LPWSTR name;
  64 } MSIRUNNINGACTION;
  65
  66 static UINT HANDLE_CustomType1(MSIPACKAGE *package, LPCWSTR source,
  67                                LPCWSTR target, const INT type, LPCWSTR action);
  68 static UINT HANDLE_CustomType2(MSIPACKAGE *package, LPCWSTR source,
  69                                LPCWSTR target, const INT type, LPCWSTR action);
  70 static UINT HANDLE_CustomType18(MSIPACKAGE *package, LPCWSTR source,
  71                                 LPCWSTR target, const INT type, LPCWSTR action);
  72 static UINT HANDLE_CustomType19(MSIPACKAGE *package, LPCWSTR source,
  73                                 LPCWSTR target, const INT type, LPCWSTR action);
  74 static UINT HANDLE_CustomType50(MSIPACKAGE *package, LPCWSTR source,
  75                                 LPCWSTR target, const INT type, LPCWSTR action);
  76 static UINT HANDLE_CustomType34(MSIPACKAGE *package, LPCWSTR source,
  77                                 LPCWSTR target, const INT type, LPCWSTR action);
  78
  79
  80 static BOOL check_execution_scheduling_options(MSIPACKAGE *package, LPCWSTR action, UINT options)
  81 {
  82     if (!package->script)
  83         return TRUE;
  84
  85     if ((options & msidbCustomActionTypeClientRepeat) ==
  86             msidbCustomActionTypeClientRepeat)
  87     {
  88         if (!(package->script->InWhatSequence & SEQUENCE_UI &&
  89             package->script->InWhatSequence & SEQUENCE_EXEC))
  90         {
  91             TRACE("Skipping action due to dbCustomActionTypeClientRepeat option.\n");
  92             return FALSE;
  93         }
  94     }
  95     else if (options & msidbCustomActionTypeFirstSequence)
  96     {
  97         if (package->script->InWhatSequence & SEQUENCE_UI &&
  98             package->script->InWhatSequence & SEQUENCE_EXEC )
  99         {
 100             TRACE("Skipping action due to msidbCustomActionTypeFirstSequence option.\n");
 101             return FALSE;
 102         }
 103     }
 104     else if (options & msidbCustomActionTypeOncePerProcess)
 105     {
 106         if (check_unique_action(package,action))
 107         {
 108             TRACE("Skipping action due to msidbCustomActionTypeOncePerProcess option.\n");
 109             return FALSE;
 110         }
 111         else
 112             register_unique_action(package,action);
 113     }
 114
 115     return TRUE;
 116 }
 117
 118 UINT ACTION_CustomAction(MSIPACKAGE *package,LPCWSTR action, BOOL execute)
 119 {
 120     UINT rc = ERROR_SUCCESS;
 121     MSIRECORD * row = 0;
 122     static const WCHAR ExecSeqQuery[] =
 123     {'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
 124      '`','C','u','s','t','o' ,'m','A','c','t','i','o','n','`',
 125      ' ','W','H','E','R','E',' ','`','A','c','t','i' ,'o','n','`',' ',
 126      '=',' ','\'','%','s','\'',0};
 127     UINT type;
 128     LPWSTR source;
 129     LPWSTR target;
 130     WCHAR *deformated=NULL;
 131
 132     row = MSI_QueryGetRecord( package->db, ExecSeqQuery, action );
 133     if (!row)
 134         return ERROR_CALL_NOT_IMPLEMENTED;
 135
 136     type = MSI_RecordGetInteger(row,2);
 137
 138     source = load_dynamic_stringW(row,3);
 139     target = load_dynamic_stringW(row,4);
 140
 141     TRACE("Handling custom action %s (%x %s %s)\n",debugstr_w(action),type,
 142           debugstr_w(source), debugstr_w(target));
 143
 144     /* handle some of the deferred actions */
 145     if (type & msidbCustomActionTypeTSAware)
 146         FIXME("msidbCustomActionTypeTSAware not handled\n");
 147
 148     if (type & msidbCustomActionTypeInScript)
 149     {
 150         if (type & msidbCustomActionTypeNoImpersonate)
 151             FIXME("msidbCustomActionTypeNoImpersonate not handled\n");
 152
 153         if (type & msidbCustomActionTypeRollback)
 154         {
 155             FIXME("Rollback only action... rollbacks not supported yet\n");
 156             schedule_action(package, ROLLBACK_SCRIPT, action);
 157             rc = ERROR_SUCCESS;
 158             goto end;
 159         }
 160         if (!execute)
 161         {
 162             if (type & msidbCustomActionTypeCommit)
 163             {
 164                 TRACE("Deferring Commit Action!\n");
 165                 schedule_action(package, COMMIT_SCRIPT, action);
 166             }
 167             else
 168             {
 169                 TRACE("Deferring Action!\n");
 170                 schedule_action(package, INSTALL_SCRIPT, action);
 171             }
 172
 173             rc = ERROR_SUCCESS;
 174             goto end;
 175         }
 176         else
 177         {
 178             /*Set ActionData*/
 179
 180             static const WCHAR szActionData[] = {
 181             'C','u','s','t','o','m','A','c','t','i','o','n','D','a','t','a',0};
 182             static const WCHAR szBlank[] = {0};
 183             LPWSTR actiondata = msi_dup_property( package, action );
 184             if (actiondata)
 185                 MSI_SetPropertyW(package,szActionData,actiondata);
 186             else
 187                 MSI_SetPropertyW(package,szActionData,szBlank);
 188             msi_free(actiondata);
 189         }
 190     }
 191     else if (!check_execution_scheduling_options(package,action,type))
 192     {
 193         rc = ERROR_SUCCESS;
 194         goto end;
 195     }
 196
 197     switch (type & CUSTOM_ACTION_TYPE_MASK)
 198     {
 199         case 1: /* DLL file stored in a Binary table stream */
 200             rc = HANDLE_CustomType1(package,source,target,type,action);
 201             break;
 202         case 2: /* EXE file stored in a Binary table strem */
 203             rc = HANDLE_CustomType2(package,source,target,type,action);
 204             break;
 205         case 18: /*EXE file installed with package */
 206             rc = HANDLE_CustomType18(package,source,target,type,action);
 207             break;
 208         case 19: /* Error that halts install */
 209             rc = HANDLE_CustomType19(package,source,target,type,action);
 210             break;
 211         case 50: /*EXE file specified by a property value */
 212             rc = HANDLE_CustomType50(package,source,target,type,action);
 213             break;
 214         case 34: /*EXE to be run in specified directory */
 215             rc = HANDLE_CustomType34(package,source,target,type,action);
 216             break;
 217         case 35: /* Directory set with formatted text. */
 218             deformat_string(package,target,&deformated);
 219             MSI_SetTargetPathW(package, source, deformated);
 220             msi_free(deformated);
 221             break;
 222         case 51: /* Property set with formatted text. */
 223             deformat_string(package,target,&deformated);
 224             rc = MSI_SetPropertyW(package,source,deformated);
 225             msi_free(deformated);
 226             break;
 227         default:
 228             FIXME("UNHANDLED ACTION TYPE %i (%s %s)\n",
 229              type & CUSTOM_ACTION_TYPE_MASK, debugstr_w(source),
 230              debugstr_w(target));
 231     }
 232
 233 end:
 234     msi_free(source);
 235     msi_free(target);
 236     msiobj_release(&row->hdr);
 237     return rc;
 238 }
 239
 240
 241 static UINT store_binary_to_temp(MSIPACKAGE *package, LPCWSTR source,
 242                                 LPWSTR tmp_file)
 243 {
 244     DWORD sz=MAX_PATH;
 245     static const WCHAR f1[] = {'m','s','i',0};
 246     WCHAR fmt[MAX_PATH];
 247
 248     if (MSI_GetPropertyW(package, cszTempFolder, fmt, &sz) != ERROR_SUCCESS)
 249         GetTempPathW(MAX_PATH,fmt);
 250
 251     if (GetTempFileNameW(fmt,f1,0,tmp_file) == 0)
 252     {
 253         TRACE("Unable to create file\n");
 254         return ERROR_FUNCTION_FAILED;
 255     }
 256     else
 257     {
 258         /* write out the file */
 259         UINT rc;
 260         MSIRECORD * row = 0;
 261         static const WCHAR fmt[] =
 262         {'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
 263          '`','B','i' ,'n','a','r','y','`',' ','W','H','E','R','E',
 264          ' ','`','N','a','m','e','`',' ','=',' ','\'','%','s','\'',0};
 265         HANDLE the_file;
 266         CHAR buffer[1024];
 267
 268         the_file = CreateFileW(tmp_file, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS,
 269                            FILE_ATTRIBUTE_NORMAL, NULL);
 270
 271         if (the_file == INVALID_HANDLE_VALUE)
 272             return ERROR_FUNCTION_FAILED;
 273
 274         row = MSI_QueryGetRecord(package->db, fmt, source);
 275         if (!row)
 276             return ERROR_FUNCTION_FAILED;
 277
 278         do
 279         {
 280             DWORD write;
 281             sz = 1024;
 282             rc = MSI_RecordReadStream(row,2,buffer,&sz);
 283             if (rc != ERROR_SUCCESS)
 284             {
 285                 ERR("Failed to get stream\n");
 286                 CloseHandle(the_file);
 287                 DeleteFileW(tmp_file);
 288                 break;
 289             }
 290             WriteFile(the_file,buffer,sz,&write,NULL);
 291         } while (sz == 1024);
 292
 293         CloseHandle(the_file);
 294
 295         msiobj_release(&row->hdr);
 296     }
 297
 298     return ERROR_SUCCESS;
 299 }
 300
 301 static void file_running_action(MSIPACKAGE* package, HANDLE Handle,
 302                                 BOOL process, LPCWSTR name)
 303 {
 304     MSIRUNNINGACTION *action;
 305
 306     action = msi_alloc( sizeof(MSIRUNNINGACTION) );
 307
 308     action->handle = Handle;
 309     action->process = process;
 310     action->name = strdupW(name);
 311
 312     list_add_tail( &package->RunningActions, &action->entry );
 313 }
 314
 315 static UINT process_action_return_value(UINT type, HANDLE ThreadHandle)
 316 {
 317     DWORD rc=0;
 318
 319     if (type == 2)
 320     {
 321         GetExitCodeProcess(ThreadHandle,&rc);
 322
 323         if (rc == 0)
 324             return ERROR_SUCCESS;
 325         else
 326             return ERROR_FUNCTION_FAILED;
 327     }
 328
 329     GetExitCodeThread(ThreadHandle,&rc);
 330
 331     switch (rc)
 332     {
 333         case ERROR_FUNCTION_NOT_CALLED:
 334         case ERROR_SUCCESS:
 335         case ERROR_INSTALL_USEREXIT:
 336         case ERROR_INSTALL_FAILURE:
 337             return rc;
 338         case ERROR_NO_MORE_ITEMS:
 339             return ERROR_SUCCESS;
 340         default:
 341             ERR("Invalid Return Code %lx\n",rc);
 342             return ERROR_INSTALL_FAILURE;
 343     }
 344 }
 345
 346 static UINT process_handle(MSIPACKAGE* package, UINT type,
 347                            HANDLE ThreadHandle, HANDLE ProcessHandle,
 348                            LPCWSTR Name, BOOL *finished)
 349 {
 350     UINT rc = ERROR_SUCCESS;
 351
 352     if (!(type & msidbCustomActionTypeAsync))
 353     {
 354         /* synchronous */
 355         TRACE("Synchronous Execution of action %s\n",debugstr_w(Name));
 356         if (ProcessHandle)
 357             msi_dialog_check_messages(ProcessHandle);
 358         else
 359             msi_dialog_check_messages(ThreadHandle);
 360
 361         if (!(type & msidbCustomActionTypeContinue))
 362         {
 363             if (ProcessHandle)
 364                 rc = process_action_return_value(2,ProcessHandle);
 365             else
 366                 rc = process_action_return_value(1,ThreadHandle);
 367         }
 368
 369         CloseHandle(ThreadHandle);
 370         if (ProcessHandle)
 371             CloseHandle(ProcessHandle);
 372         if (finished)
 373             *finished = TRUE;
 374     }
 375     else
 376     {
 377         TRACE("Asynchronous Execution of action %s\n",debugstr_w(Name));
 378         /* asynchronous */
 379         if (type & msidbCustomActionTypeContinue)
 380         {
 381             if (ProcessHandle)
 382             {
 383                 file_running_action(package, ProcessHandle, TRUE, Name);
 384                 CloseHandle(ThreadHandle);
 385             }
 386             else
 387             file_running_action(package, ThreadHandle, FALSE, Name);
 388         }
 389         else
 390         {
 391             CloseHandle(ThreadHandle);
 392             if (ProcessHandle)
 393                 CloseHandle(ProcessHandle);
 394         }
 395         if (finished)
 396             *finished = FALSE;
 397     }
 398
 399     return rc;
 400 }
 401
 402
 403 typedef UINT __stdcall CustomEntry(MSIHANDLE);
 404
 405 typedef struct
 406 {
 407         MSIPACKAGE *package;
 408         WCHAR *target;
 409         WCHAR *source;
 410 } thread_struct;
 411
 412 static DWORD WINAPI ACTION_CallDllFunction(thread_struct *stuff)
 413 {
 414     HANDLE hModule;
 415     LPSTR proc;
 416     CustomEntry *fn;
 417     DWORD rc = ERROR_SUCCESS;
 418
 419     TRACE("calling function (%s, %s) \n", debugstr_w(stuff->source),
 420           debugstr_w(stuff->target));
 421
 422     hModule = LoadLibraryW(stuff->source);
 423     if (hModule)
 424     {
 425         proc = strdupWtoA( stuff->target );
 426         fn = (CustomEntry*)GetProcAddress(hModule,proc);
 427         if (fn)
 428         {
 429             MSIHANDLE hPackage;
 430             MSIPACKAGE *package = stuff->package;
 431
 432             TRACE("Calling function %s\n", proc);
 433             hPackage = msiobj_findhandle( &package->hdr );
 434             if (hPackage )
 435             {
 436                 rc = fn(hPackage);
 437                 msiobj_release( &package->hdr );
 438             }
 439             else
 440                 ERR("Handle for object %p not found\n", package );
 441         }
 442         else
 443             ERR("Cannot load functon\n");
 444
 445         msi_free(proc);
 446         FreeLibrary(hModule);
 447     }
 448     else
 449         ERR("Unable to load library\n");
 450     msiobj_release( &stuff->package->hdr );
 451     msi_free(stuff->source);
 452     msi_free(stuff->target);
 453     msi_free(stuff);
 454     return rc;
 455 }
 456
 457 static DWORD WINAPI DllThread(LPVOID info)
 458 {
 459     thread_struct *stuff;
 460     DWORD rc = 0;
 461
 462     TRACE("MSI Thread (0x%lx) started for custom action\n",
 463                         GetCurrentThreadId());
 464
 465     stuff = (thread_struct*)info;
 466     rc = ACTION_CallDllFunction(stuff);
 467
 468     TRACE("MSI Thread (0x%lx) finished (rc %li)\n",GetCurrentThreadId(), rc);
 469     /* clse all handles for this thread */
 470     MsiCloseAllHandles();
 471     return rc;
 472 }
 473
 474 static UINT HANDLE_CustomType1(MSIPACKAGE *package, LPCWSTR source,
 475                                LPCWSTR target, const INT type, LPCWSTR action)
 476 {
 477     WCHAR tmp_file[MAX_PATH];
 478     thread_struct *info;
 479     DWORD ThreadId;
 480     HANDLE ThreadHandle;
 481     UINT rc = ERROR_SUCCESS;
 482     BOOL finished = FALSE;
 483
 484     store_binary_to_temp(package, source, tmp_file);
 485
 486     TRACE("Calling function %s from %s\n",debugstr_w(target),
 487           debugstr_w(tmp_file));
 488
 489     if (!strchrW(tmp_file,'.'))
 490     {
 491         static const WCHAR dot[]={'.',0};
 492         strcatW(tmp_file,dot);
 493     }
 494
 495     info = msi_alloc( sizeof(*info) );
 496     msiobj_addref( &package->hdr );
 497     info->package = package;
 498     info->target = strdupW(target);
 499     info->source = strdupW(tmp_file);
 500
 501     ThreadHandle = CreateThread(NULL,0,DllThread,(LPVOID)info,0,&ThreadId);
 502
 503     rc = process_handle(package, type, ThreadHandle, NULL, action, &finished );
 504
 505     if (!finished)
 506         track_tempfile(package, tmp_file, tmp_file);
 507     else
 508         DeleteFileW(tmp_file);
 509
 510     return rc;
 511 }
 512
 513 static UINT HANDLE_CustomType2(MSIPACKAGE *package, LPCWSTR source,
 514                                LPCWSTR target, const INT type, LPCWSTR action)
 515 {
 516     WCHAR tmp_file[MAX_PATH];
 517     STARTUPINFOW si;
 518     PROCESS_INFORMATION info;
 519     BOOL rc;
 520     INT len;
 521     WCHAR *deformated;
 522     WCHAR *cmd;
 523     static const WCHAR spc[] = {' ',0};
 524     UINT prc = ERROR_SUCCESS;
 525     BOOL finished = FALSE;
 526
 527     memset(&si,0,sizeof(STARTUPINFOW));
 528
 529     store_binary_to_temp(package, source, tmp_file);
 530
 531     deformat_string(package,target,&deformated);
 532
 533     len = strlenW(tmp_file)+2;
 534
 535     if (deformated)
 536         len += strlenW(deformated);
 537
 538     cmd = msi_alloc(sizeof(WCHAR)*len);
 539
 540     strcpyW(cmd,tmp_file);
 541     if (deformated)
 542     {
 543         strcatW(cmd,spc);
 544         strcatW(cmd,deformated);
 545
 546         msi_free(deformated);
 547     }
 548
 549     TRACE("executing exe %s \n",debugstr_w(cmd));
 550
 551     rc = CreateProcessW(NULL, cmd, NULL, NULL, FALSE, 0, NULL,
 552                   c_collen, &si, &info);
 553
 554     msi_free(cmd);
 555
 556     if ( !rc )
 557     {
 558         ERR("Unable to execute command\n");
 559         return ERROR_SUCCESS;
 560     }
 561
 562     prc = process_handle(package, type, info.hThread, info.hProcess, action,
 563                           &finished);
 564
 565     if (!finished)
 566         track_tempfile(package, tmp_file, tmp_file);
 567     else
 568         DeleteFileW(tmp_file);
 569
 570     return prc;
 571 }
 572
 573 static UINT HANDLE_CustomType18(MSIPACKAGE *package, LPCWSTR source,
 574                                 LPCWSTR target, const INT type, LPCWSTR action)
 575 {
 576     STARTUPINFOW si;
 577     PROCESS_INFORMATION info;
 578     BOOL rc;
 579     WCHAR *deformated;
 580     WCHAR *cmd;
 581     INT len;
 582     static const WCHAR spc[] = {' ',0};
 583     MSIFILE *file;
 584     UINT prc;
 585
 586     memset(&si,0,sizeof(STARTUPINFOW));
 587
 588     file = get_loaded_file(package,source);
 589     if( !file )
 590         return ERROR_FUNCTION_FAILED;
 591
 592     len = lstrlenW( file->TargetPath );
 593
 594     deformat_string(package,target,&deformated);
 595     if (deformated)
 596         len += strlenW(deformated);
 597     len += 2;
 598
 599     cmd = msi_alloc(len * sizeof(WCHAR));
 600
 601     lstrcpyW( cmd, file->TargetPath);
 602     if (deformated)
 603     {
 604         strcatW(cmd, spc);
 605         strcatW(cmd, deformated);
 606
 607         msi_free(deformated);
 608     }
 609
 610     TRACE("executing exe %s \n",debugstr_w(cmd));
 611
 612     rc = CreateProcessW(NULL, cmd, NULL, NULL, FALSE, 0, NULL,
 613                   c_collen, &si, &info);
 614
 615     msi_free(cmd);
 616
 617     if ( !rc )
 618     {
 619         ERR("Unable to execute command\n");
 620         return ERROR_SUCCESS;
 621     }
 622
 623     prc = process_handle(package, type, info.hThread, info.hProcess, action,
 624                          NULL);
 625
 626     return prc;
 627 }
 628
 629 static UINT HANDLE_CustomType19(MSIPACKAGE *package, LPCWSTR source,
 630                                 LPCWSTR target, const INT type, LPCWSTR action)
 631 {
 632     static const WCHAR query[] = {
 633       'S','E','L','E','C','T',' ','`','M','e','s','s','a','g','e','`',' ',
 634       'F','R','O','M',' ','`','E','r','r','o','r','`',' ',
 635       'W','H','E','R','E',' ','`','E','r','r','o','r','`',' ','=',' ',
 636       '\'','%','s','\'',0
 637     };
 638     MSIRECORD *row = 0;
 639     LPWSTR deformated = NULL;
 640
 641     deformat_string( package, target, &deformated );
 642
 643     /* first try treat the error as a number */
 644     row = MSI_QueryGetRecord( package->db, query, deformated );
 645     if( row )
 646     {
 647         LPCWSTR error = MSI_RecordGetString( row, 1 );
 648         MessageBoxW( NULL, error, NULL, MB_OK );
 649         msiobj_release( &row->hdr );
 650     }
 651     else
 652         MessageBoxW( NULL, deformated, NULL, MB_OK );
 653
 654     msi_free( deformated );
 655
 656     return ERROR_FUNCTION_FAILED;
 657 }
 658
 659 static UINT HANDLE_CustomType50(MSIPACKAGE *package, LPCWSTR source,
 660                                 LPCWSTR target, const INT type, LPCWSTR action)
 661 {
 662     STARTUPINFOW si;
 663     PROCESS_INFORMATION info;
 664     WCHAR *prop;
 665     BOOL rc;
 666     WCHAR *deformated;
 667     WCHAR *cmd;
 668     INT len;
 669     static const WCHAR spc[] = {' ',0};
 670
 671     memset(&si,0,sizeof(STARTUPINFOW));
 672     memset(&info,0,sizeof(PROCESS_INFORMATION));
 673
 674     prop = msi_dup_property( package, source );
 675     if (!prop)
 676         return ERROR_SUCCESS;
 677
 678     deformat_string(package,target,&deformated);
 679     len = strlenW(prop) + 2;
 680     if (deformated)
 681          len += strlenW(deformated);
 682
 683     cmd = msi_alloc(sizeof(WCHAR)*len);
 684
 685     strcpyW(cmd,prop);
 686     if (deformated)
 687     {
 688         strcatW(cmd,spc);
 689         strcatW(cmd,deformated);
 690
 691         msi_free(deformated);
 692     }
 693     msi_free(prop);
 694
 695     TRACE("executing exe %s \n",debugstr_w(cmd));
 696
 697     rc = CreateProcessW(NULL, cmd, NULL, NULL, FALSE, 0, NULL,
 698                   c_collen, &si, &info);
 699
 700     msi_free(cmd);
 701
 702     if ( !rc )
 703     {
 704         ERR("Unable to execute command\n");
 705         return ERROR_SUCCESS;
 706     }
 707
 708     return process_handle(package, type, info.hThread, info.hProcess, action, NULL);
 709 }
 710
 711 static UINT HANDLE_CustomType34(MSIPACKAGE *package, LPCWSTR source,
 712                                 LPCWSTR target, const INT type, LPCWSTR action)
 713 {
 714     LPWSTR filename, deformated;
 715     STARTUPINFOW si;
 716     PROCESS_INFORMATION info;
 717     BOOL rc;
 718     UINT prc;
 719
 720     memset(&si,0,sizeof(STARTUPINFOW));
 721
 722     filename = resolve_folder(package, source, FALSE, FALSE, NULL);
 723
 724     if (!filename)
 725         return ERROR_FUNCTION_FAILED;
 726
 727     SetCurrentDirectoryW(filename);
 728     msi_free(filename);
 729
 730     deformat_string(package,target,&deformated);
 731
 732     if (!deformated)
 733         return ERROR_FUNCTION_FAILED;
 734
 735     TRACE("executing exe %s \n",debugstr_w(deformated));
 736
 737     rc = CreateProcessW(NULL, deformated, NULL, NULL, FALSE, 0, NULL,
 738                   c_collen, &si, &info);
 739     msi_free(deformated);
 740
 741     if ( !rc )
 742     {
 743         ERR("Unable to execute command\n");
 744         return ERROR_SUCCESS;
 745     }
 746
 747     prc = process_handle(package, type, info.hThread, info.hProcess, action,
 748                          NULL);
 749
 750     return prc;
 751 }
 752
 753
 754 void ACTION_FinishCustomActions(MSIPACKAGE* package)
 755 {
 756     struct list *item, *cursor;
 757     DWORD rc;
 758
 759     LIST_FOR_EACH_SAFE( item, cursor, &package->RunningActions )
 760     {
 761         MSIRUNNINGACTION *action = LIST_ENTRY( item, MSIRUNNINGACTION, entry );
 762
 763         TRACE("Checking on action %s\n", debugstr_w(action->name));
 764
 765         list_remove( &action->entry );
 766
 767         if (action->process)
 768             GetExitCodeProcess( action->handle, &rc );
 769         else
 770             GetExitCodeThread( action->handle, &rc );
 771
 772         if (rc == STILL_ACTIVE)
 773         {
 774             TRACE("Waiting on action %s\n", debugstr_w( action->name) );
 775             msi_dialog_check_messages( action->handle );
 776         }
 777
 778         CloseHandle( action->handle );
 779         msi_free( action->name );
 780         msi_free( action );
 781     }
 782 }