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 #define COBJMACROS
  22
  23 #include <stdarg.h>
  24 #include <stdio.h>
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "winerror.h"
  28 #include "msidefs.h"
  29 #include "winuser.h"
  30 #include "objbase.h"
  31 #include "oleauto.h"
  32
  33 #include "msipriv.h"
  34 #include "winemsi.h"
  35 #include "wine/asm.h"
  36 #include "wine/heap.h"
  37 #include "wine/debug.h"
  38 #include "wine/exception.h"
  39
  40 WINE_DEFAULT_DEBUG_CHANNEL(msi);
  41
  42 #define CUSTOM_ACTION_TYPE_MASK 0x3F
  43
  44 typedef struct tagMSIRUNNINGACTION
  45 {
  46     struct list entry;
  47     HANDLE handle;
  48     BOOL   process;
  49     LPWSTR name;
  50 } MSIRUNNINGACTION;
  51
  52 typedef UINT (WINAPI *MsiCustomActionEntryPoint)( MSIHANDLE );
  53
  54 static CRITICAL_SECTION msi_custom_action_cs;
  55 static CRITICAL_SECTION_DEBUG msi_custom_action_cs_debug =
  56 {
  57     0, 0, &msi_custom_action_cs,
  58     { &msi_custom_action_cs_debug.ProcessLocksList,
  59       &msi_custom_action_cs_debug.ProcessLocksList },
  60       0, 0, { (DWORD_PTR)(__FILE__ ": msi_custom_action_cs") }
  61 };
  62 static CRITICAL_SECTION msi_custom_action_cs = { &msi_custom_action_cs_debug, -1, 0, 0, 0, 0 };
  63
  64 static struct list msi_pending_custom_actions = LIST_INIT( msi_pending_custom_actions );
  65
  66 void  __RPC_FAR * __RPC_USER MIDL_user_allocate(SIZE_T len)
  67 {
  68     return heap_alloc(len);
  69 }
  70
  71 void __RPC_USER MIDL_user_free(void __RPC_FAR * ptr)
  72 {
  73     heap_free(ptr);
  74 }
  75
  76 LONG WINAPI rpc_filter(EXCEPTION_POINTERS *eptr)
  77 {
  78     return I_RpcExceptionFilter(eptr->ExceptionRecord->ExceptionCode);
  79 }
  80
  81 UINT msi_schedule_action( MSIPACKAGE *package, UINT script, const WCHAR *action )
  82 {
  83     UINT count;
  84     WCHAR **newbuf = NULL;
  85
  86     if (script >= SCRIPT_MAX)
  87     {
  88         FIXME("Unknown script requested %u\n", script);
  89         return ERROR_FUNCTION_FAILED;
  90     }
  91     TRACE("Scheduling action %s in script %u\n", debugstr_w(action), script);
  92
  93     count = package->script_actions_count[script];
  94     package->script_actions_count[script]++;
  95     if (count != 0) newbuf = msi_realloc( package->script_actions[script],
  96                                           package->script_actions_count[script] * sizeof(WCHAR *) );
  97     else newbuf = msi_alloc( sizeof(WCHAR *) );
  98
  99     newbuf[count] = strdupW( action );
 100     package->script_actions[script] = newbuf;
 101     return ERROR_SUCCESS;
 102 }
 103
 104 UINT msi_register_unique_action( MSIPACKAGE *package, const WCHAR *action )
 105 {
 106     UINT count;
 107     WCHAR **newbuf = NULL;
 108
 109     TRACE("Registering %s as unique action\n", debugstr_w(action));
 110
 111     count = package->unique_actions_count;
 112     package->unique_actions_count++;
 113     if (count != 0) newbuf = msi_realloc( package->unique_actions,
 114                                           package->unique_actions_count * sizeof(WCHAR *) );
 115     else newbuf = msi_alloc( sizeof(WCHAR *) );
 116
 117     newbuf[count] = strdupW( action );
 118     package->unique_actions = newbuf;
 119     return ERROR_SUCCESS;
 120 }
 121
 122 BOOL msi_action_is_unique( const MSIPACKAGE *package, const WCHAR *action )
 123 {
 124     UINT i;
 125
 126     for (i = 0; i < package->unique_actions_count; i++)
 127     {
 128         if (!wcscmp( package->unique_actions[i], action )) return TRUE;
 129     }
 130     return FALSE;
 131 }
 132
 133 static BOOL check_execution_scheduling_options(MSIPACKAGE *package, LPCWSTR action, UINT options)
 134 {
 135     if ((options & msidbCustomActionTypeClientRepeat) ==
 136             msidbCustomActionTypeClientRepeat)
 137     {
 138         if (!(package->InWhatSequence & SEQUENCE_UI &&
 139             package->InWhatSequence & SEQUENCE_EXEC))
 140         {
 141             TRACE("Skipping action due to dbCustomActionTypeClientRepeat option.\n");
 142             return FALSE;
 143         }
 144     }
 145     else if (options & msidbCustomActionTypeFirstSequence)
 146     {
 147         if (package->InWhatSequence & SEQUENCE_UI &&
 148             package->InWhatSequence & SEQUENCE_EXEC )
 149         {
 150             TRACE("Skipping action due to msidbCustomActionTypeFirstSequence option.\n");
 151             return FALSE;
 152         }
 153     }
 154     else if (options & msidbCustomActionTypeOncePerProcess)
 155     {
 156         if (msi_action_is_unique(package, action))
 157         {
 158             TRACE("Skipping action due to msidbCustomActionTypeOncePerProcess option.\n");
 159             return FALSE;
 160         }
 161         else
 162             msi_register_unique_action(package, action);
 163     }
 164
 165     return TRUE;
 166 }
 167
 168 /* stores the following properties before the action:
 169  *
 170  *    [CustomActionData<=>UserSID<=>ProductCode]Action
 171  */
 172 static LPWSTR msi_get_deferred_action(LPCWSTR action, LPCWSTR actiondata,
 173                                       LPCWSTR usersid, LPCWSTR prodcode)
 174 {
 175     LPWSTR deferred;
 176     DWORD len;
 177
 178     static const WCHAR format[] = {
 179             '[','%','s','<','=','>','%','s','<','=','>','%','s',']','%','s',0
 180     };
 181
 182     if (!actiondata)
 183         return strdupW(action);
 184
 185     len = lstrlenW(action) + lstrlenW(actiondata) +
 186           lstrlenW(usersid) + lstrlenW(prodcode) +
 187           lstrlenW(format) - 7;
 188     deferred = msi_alloc(len * sizeof(WCHAR));
 189
 190     swprintf(deferred, len, format, actiondata, usersid, prodcode, action);
 191     return deferred;
 192 }
 193
 194 static void set_deferred_action_props( MSIPACKAGE *package, const WCHAR *deferred_data )
 195 {
 196     static const WCHAR sep[] = {'<','=','>',0};
 197     const WCHAR *end, *beg = deferred_data + 1;
 198
 199     end = wcsstr(beg, sep);
 200     msi_set_property( package->db, szCustomActionData, beg, end - beg );
 201     beg = end + 3;
 202
 203     end = wcsstr(beg, sep);
 204     msi_set_property( package->db, szUserSID, beg, end - beg );
 205     beg = end + 3;
 206
 207     end = wcschr(beg, ']');
 208     msi_set_property( package->db, szProductCode, beg, end - beg );
 209 }
 210
 211 WCHAR *msi_create_temp_file( MSIDATABASE *db )
 212 {
 213     WCHAR *ret;
 214
 215     if (!db->tempfolder)
 216     {
 217         WCHAR tmp[MAX_PATH];
 218         UINT len = ARRAY_SIZE( tmp );
 219
 220         if (msi_get_property( db, szTempFolder, tmp, &len ) ||
 221             GetFileAttributesW( tmp ) != FILE_ATTRIBUTE_DIRECTORY)
 222         {
 223             GetTempPathW( MAX_PATH, tmp );
 224         }
 225         if (!(db->tempfolder = strdupW( tmp ))) return NULL;
 226     }
 227
 228     if ((ret = msi_alloc( (lstrlenW( db->tempfolder ) + 20) * sizeof(WCHAR) )))
 229     {
 230         if (!GetTempFileNameW( db->tempfolder, szMsi, 0, ret ))
 231         {
 232             msi_free( ret );
 233             return NULL;
 234         }
 235     }
 236
 237     return ret;
 238 }
 239
 240 static MSIBINARY *create_temp_binary(MSIPACKAGE *package, LPCWSTR source)
 241 {
 242     static const WCHAR query[] = {
 243         'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
 244         '`','B','i' ,'n','a','r','y','`',' ','W','H','E','R','E',' ',
 245         '`','N','a','m','e','`',' ','=',' ','\'','%','s','\'',0};
 246     MSIRECORD *row;
 247     MSIBINARY *binary = NULL;
 248     HANDLE file;
 249     CHAR buffer[1024];
 250     WCHAR *tmpfile;
 251     DWORD sz, write;
 252     UINT r;
 253
 254     if (!(tmpfile = msi_create_temp_file( package->db ))) return NULL;
 255
 256     if (!(row = MSI_QueryGetRecord( package->db, query, source ))) goto error;
 257     if (!(binary = msi_alloc_zero( sizeof(MSIBINARY) ))) goto error;
 258
 259     file = CreateFileW( tmpfile, GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL );
 260     if (file == INVALID_HANDLE_VALUE) goto error;
 261
 262     do
 263     {
 264         sz = sizeof(buffer);
 265         r = MSI_RecordReadStream( row, 2, buffer, &sz );
 266         if (r != ERROR_SUCCESS)
 267         {
 268             ERR("Failed to get stream\n");
 269             break;
 270         }
 271         WriteFile( file, buffer, sz, &write, NULL );
 272     } while (sz == sizeof buffer);
 273
 274     CloseHandle( file );
 275     if (r != ERROR_SUCCESS) goto error;
 276
 277     binary->source = strdupW( source );
 278     binary->tmpfile = tmpfile;
 279     list_add_tail( &package->binaries, &binary->entry );
 280
 281     msiobj_release( &row->hdr );
 282     return binary;
 283
 284 error:
 285     if (row) msiobj_release( &row->hdr );
 286     DeleteFileW( tmpfile );
 287     msi_free( tmpfile );
 288     msi_free( binary );
 289     return NULL;
 290 }
 291
 292 static MSIBINARY *get_temp_binary(MSIPACKAGE *package, LPCWSTR source)
 293 {
 294     MSIBINARY *binary;
 295
 296     LIST_FOR_EACH_ENTRY( binary, &package->binaries, MSIBINARY, entry )
 297     {
 298         if (!wcscmp( binary->source, source ))
 299             return binary;
 300     }
 301
 302     return create_temp_binary(package, source);
 303 }
 304
 305 static void file_running_action(MSIPACKAGE* package, HANDLE Handle,
 306                                 BOOL process, LPCWSTR name)
 307 {
 308     MSIRUNNINGACTION *action;
 309
 310     action = msi_alloc( sizeof(MSIRUNNINGACTION) );
 311
 312     action->handle = Handle;
 313     action->process = process;
 314     action->name = strdupW(name);
 315
 316     list_add_tail( &package->RunningActions, &action->entry );
 317 }
 318
 319 static UINT custom_get_process_return( HANDLE process )
 320 {
 321     DWORD rc = 0;
 322
 323     GetExitCodeProcess( process, &rc );
 324     TRACE("exit code is %u\n", rc);
 325     if (rc != 0)
 326         return ERROR_FUNCTION_FAILED;
 327     return ERROR_SUCCESS;
 328 }
 329
 330 static UINT custom_get_thread_return( MSIPACKAGE *package, HANDLE thread )
 331 {
 332     DWORD rc = 0;
 333
 334     GetExitCodeThread( thread, &rc );
 335
 336     switch (rc)
 337     {
 338     case ERROR_FUNCTION_NOT_CALLED:
 339     case ERROR_SUCCESS:
 340     case ERROR_INSTALL_USEREXIT:
 341     case ERROR_INSTALL_FAILURE:
 342         return rc;
 343     case ERROR_NO_MORE_ITEMS:
 344         return ERROR_SUCCESS;
 345     case ERROR_INSTALL_SUSPEND:
 346         ACTION_ForceReboot( package );
 347         return ERROR_SUCCESS;
 348     default:
 349         ERR("Invalid Return Code %d\n",rc);
 350         return ERROR_INSTALL_FAILURE;
 351     }
 352 }
 353
 354 static UINT wait_process_handle(MSIPACKAGE* package, UINT type,
 355                            HANDLE ProcessHandle, LPCWSTR name)
 356 {
 357     UINT rc = ERROR_SUCCESS;
 358
 359     if (!(type & msidbCustomActionTypeAsync))
 360     {
 361         TRACE("waiting for %s\n", debugstr_w(name));
 362
 363         msi_dialog_check_messages(ProcessHandle);
 364
 365         if (!(type & msidbCustomActionTypeContinue))
 366             rc = custom_get_process_return(ProcessHandle);
 367
 368         CloseHandle(ProcessHandle);
 369     }
 370     else
 371     {
 372         TRACE("%s running in background\n", debugstr_w(name));
 373
 374         if (!(type & msidbCustomActionTypeContinue))
 375             file_running_action(package, ProcessHandle, TRUE, name);
 376         else
 377             CloseHandle(ProcessHandle);
 378     }
 379
 380     return rc;
 381 }
 382
 383 typedef struct _msi_custom_action_info {
 384     struct list entry;
 385     MSIPACKAGE *package;
 386     LPWSTR source;
 387     LPWSTR target;
 388     HANDLE handle;
 389     LPWSTR action;
 390     INT type;
 391     GUID guid;
 392     DWORD arch;
 393 } msi_custom_action_info;
 394
 395 static void free_custom_action_data( msi_custom_action_info *info )
 396 {
 397     EnterCriticalSection( &msi_custom_action_cs );
 398
 399     list_remove( &info->entry );
 400     if (info->handle)
 401         CloseHandle( info->handle );
 402     msi_free( info->action );
 403     msi_free( info->source );
 404     msi_free( info->target );
 405     msiobj_release( &info->package->hdr );
 406     msi_free( info );
 407
 408     LeaveCriticalSection( &msi_custom_action_cs );
 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         free_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             found = TRUE;
 446             break;
 447         }
 448     }
 449
 450     LeaveCriticalSection( &msi_custom_action_cs );
 451
 452     if (!found)
 453         return NULL;
 454
 455     return info;
 456 }
 457
 458 static void handle_msi_break(LPCSTR target)
 459 {
 460     char format[] = "To debug your custom action, attach your debugger to "
 461                     "process %i (0x%X) and press OK";
 462     char val[MAX_PATH];
 463     char msg[100];
 464
 465     if (!GetEnvironmentVariableA("MsiBreak", val, MAX_PATH))
 466         return;
 467
 468     if (strcmp(val, target))
 469         return;
 470
 471     sprintf(msg, format, GetCurrentProcessId(), GetCurrentProcessId());
 472     MessageBoxA(NULL, msg, "Windows Installer", MB_OK);
 473     DebugBreak();
 474 }
 475
 476 static WCHAR ncalrpcW[] = {'n','c','a','l','r','p','c',0};
 477 static WCHAR endpoint_fmtW[] = {'m','s','i','%','x',0};
 478
 479 #ifdef __i386__
 480 /* wrapper for apps that don't declare the thread function correctly */
 481 extern UINT custom_proc_wrapper( MsiCustomActionEntryPoint entry, MSIHANDLE hinst );
 482 __ASM_GLOBAL_FUNC(custom_proc_wrapper,
 483                   "pushl %ebp\n\t"
 484                   __ASM_CFI(".cfi_adjust_cfa_offset 4\n\t")
 485                   __ASM_CFI(".cfi_rel_offset %ebp,0\n\t")
 486                   "movl %esp,%ebp\n\t"
 487                   __ASM_CFI(".cfi_def_cfa_register %ebp\n\t")
 488                   "subl $4,%esp\n\t"
 489                   "pushl 12(%ebp)\n\t"
 490                   "call *8(%ebp)\n\t"
 491                   "leave\n\t"
 492                   __ASM_CFI(".cfi_def_cfa %esp,4\n\t")
 493                   __ASM_CFI(".cfi_same_value %ebp\n\t")
 494                   "ret" )
 495 #else
 496 static UINT custom_proc_wrapper( MsiCustomActionEntryPoint entry, MSIHANDLE hinst )
 497 {
 498     return entry(hinst);
 499 }
 500 #endif
 501
 502 UINT CDECL __wine_msi_call_dll_function(DWORD client_pid, const GUID *guid)
 503 {
 504     MsiCustomActionEntryPoint fn;
 505     MSIHANDLE remote_package = 0;
 506     RPC_WSTR binding_str;
 507     MSIHANDLE hPackage;
 508     RPC_STATUS status;
 509     LPWSTR dll = NULL;
 510     LPSTR proc = NULL;
 511     HANDLE hModule;
 512     INT type;
 513     UINT r;
 514
 515     TRACE("%s\n", debugstr_guid( guid ));
 516
 517     if (!rpc_handle)
 518     {
 519         WCHAR endpoint[12];
 520
 521         swprintf(endpoint, ARRAY_SIZE(endpoint), endpoint_fmtW, client_pid);
 522         status = RpcStringBindingComposeW(NULL, ncalrpcW, NULL, endpoint, NULL, &binding_str);
 523         if (status != RPC_S_OK)
 524         {
 525             ERR("RpcStringBindingCompose failed: %#x\n", status);
 526             return status;
 527         }
 528         status = RpcBindingFromStringBindingW(binding_str, &rpc_handle);
 529         if (status != RPC_S_OK)
 530         {
 531             ERR("RpcBindingFromStringBinding failed: %#x\n", status);
 532             return status;
 533         }
 534         RpcStringFreeW(&binding_str);
 535     }
 536
 537     r = remote_GetActionInfo(guid, &type, &dll, &proc, &remote_package);
 538     if (r != ERROR_SUCCESS)
 539         return r;
 540
 541     hPackage = alloc_msi_remote_handle( remote_package );
 542     if (!hPackage)
 543     {
 544         ERR( "failed to create handle for %x\n", remote_package );
 545         midl_user_free( dll );
 546         midl_user_free( proc );
 547         return ERROR_INSTALL_FAILURE;
 548     }
 549
 550     hModule = LoadLibraryW( dll );
 551     if (!hModule)
 552     {
 553         ERR( "failed to load dll %s (%u)\n", debugstr_w( dll ), GetLastError() );
 554         midl_user_free( dll );
 555         midl_user_free( proc );
 556         MsiCloseHandle( hPackage );
 557         return ERROR_SUCCESS;
 558     }
 559
 560     fn = (MsiCustomActionEntryPoint) GetProcAddress( hModule, proc );
 561     if (!fn) WARN( "GetProcAddress(%s) failed\n", debugstr_a(proc) );
 562     else
 563     {
 564         handle_msi_break(proc);
 565
 566         __TRY
 567         {
 568             r = custom_proc_wrapper( fn, hPackage );
 569         }
 570         __EXCEPT_PAGE_FAULT
 571         {
 572             ERR( "Custom action (%s:%s) caused a page fault: %08x\n",
 573                  debugstr_w(dll), debugstr_a(proc), GetExceptionCode() );
 574             r = ERROR_SUCCESS;
 575         }
 576         __ENDTRY;
 577     }
 578
 579     FreeLibrary(hModule);
 580
 581     midl_user_free(dll);
 582     midl_user_free(proc);
 583
 584     MsiCloseAllHandles();
 585
 586     return r;
 587 }
 588
 589 static DWORD custom_start_server(MSIPACKAGE *package, DWORD arch)
 590 {
 591     static const WCHAR pipe_name[] = {'\\','\\','.','\\','p','i','p','e','\\','m','s','i','c','a','_','%','x','_','%','d',0};
 592     static const WCHAR msiexecW[] = {'\\','m','s','i','e','x','e','c','.','e','x','e',0};
 593     static const WCHAR argsW[] = {'%','s',' ','-','E','m','b','e','d','d','i','n','g',' ','%','d',0};
 594
 595     WCHAR path[MAX_PATH], cmdline[MAX_PATH + 23];
 596     PROCESS_INFORMATION pi = {0};
 597     STARTUPINFOW si = {0};
 598     WCHAR buffer[24];
 599     void *cookie;
 600     HANDLE pipe;
 601     BOOL wow64;
 602
 603     if ((arch == SCS_32BIT_BINARY && package->custom_server_32_process) ||
 604         (arch == SCS_64BIT_BINARY && package->custom_server_64_process))
 605         return ERROR_SUCCESS;
 606
 607     swprintf(buffer, ARRAY_SIZE(buffer), pipe_name,
 608              GetCurrentProcessId(), arch == SCS_32BIT_BINARY ? 32 : 64);
 609     pipe = CreateNamedPipeW(buffer, PIPE_ACCESS_DUPLEX, 0, 1, sizeof(DWORD64),
 610         sizeof(GUID), 0, NULL);
 611     if (pipe == INVALID_HANDLE_VALUE)
 612         ERR("Failed to create custom action client pipe: %u\n", GetLastError());
 613
 614     if (!IsWow64Process(GetCurrentProcess(), &wow64))
 615         wow64 = FALSE;
 616
 617     if ((sizeof(void *) == 8 || wow64) && arch == SCS_32BIT_BINARY)
 618         GetSystemWow64DirectoryW(path, MAX_PATH - ARRAY_SIZE(msiexecW));
 619     else
 620         GetSystemDirectoryW(path, MAX_PATH - ARRAY_SIZE(msiexecW));
 621     lstrcatW(path, msiexecW);
 622     swprintf(cmdline, ARRAY_SIZE(cmdline), argsW, path, GetCurrentProcessId());
 623
 624     if (wow64 && arch == SCS_64BIT_BINARY)
 625     {
 626         Wow64DisableWow64FsRedirection(&cookie);
 627         CreateProcessW(path, cmdline, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi);
 628         Wow64RevertWow64FsRedirection(cookie);
 629     }
 630     else
 631         CreateProcessW(path, cmdline, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi);
 632
 633     CloseHandle(pi.hThread);
 634
 635     if (arch == SCS_32BIT_BINARY)
 636     {
 637         package->custom_server_32_process = pi.hProcess;
 638         package->custom_server_32_pipe = pipe;
 639     }
 640     else
 641     {
 642         package->custom_server_64_process = pi.hProcess;
 643         package->custom_server_64_pipe = pipe;
 644     }
 645
 646     if (!ConnectNamedPipe(pipe, NULL))
 647     {
 648         ERR("Failed to connect to custom action server: %u\n", GetLastError());
 649         return GetLastError();
 650     }
 651
 652     return ERROR_SUCCESS;
 653 }
 654
 655 void custom_stop_server(HANDLE process, HANDLE pipe)
 656 {
 657     DWORD size;
 658
 659     WriteFile(pipe, &GUID_NULL, sizeof(GUID_NULL), &size, NULL);
 660     WaitForSingleObject(process, INFINITE);
 661     CloseHandle(process);
 662     CloseHandle(pipe);
 663 }
 664
 665 static DWORD WINAPI custom_client_thread(void *arg)
 666 {
 667     msi_custom_action_info *info = arg;
 668     DWORD64 thread64;
 669     HANDLE process;
 670     HANDLE thread;
 671     HANDLE pipe;
 672     DWORD size;
 673     UINT rc;
 674
 675     CoInitializeEx(NULL, COINIT_MULTITHREADED); /* needed to marshal streams */
 676
 677     if (info->arch == SCS_32BIT_BINARY)
 678     {
 679         process = info->package->custom_server_32_process;
 680         pipe = info->package->custom_server_32_pipe;
 681     }
 682     else
 683     {
 684         process = info->package->custom_server_64_process;
 685         pipe = info->package->custom_server_64_pipe;
 686     }
 687
 688     EnterCriticalSection(&msi_custom_action_cs);
 689
 690     if (!WriteFile(pipe, &info->guid, sizeof(info->guid), &size, NULL) ||
 691         size != sizeof(info->guid))
 692     {
 693         ERR("Failed to write to custom action client pipe: %u\n", GetLastError());
 694         LeaveCriticalSection(&msi_custom_action_cs);
 695         return GetLastError();
 696     }
 697     if (!ReadFile(pipe, &thread64, sizeof(thread64), &size, NULL) || size != sizeof(thread64))
 698     {
 699         ERR("Failed to read from custom action client pipe: %u\n", GetLastError());
 700         LeaveCriticalSection(&msi_custom_action_cs);
 701         return GetLastError();
 702     }
 703
 704     LeaveCriticalSection(&msi_custom_action_cs);
 705
 706     if (DuplicateHandle(process, (HANDLE)(DWORD_PTR)thread64, GetCurrentProcess(),
 707         &thread, 0, FALSE, DUPLICATE_SAME_ACCESS | DUPLICATE_CLOSE_SOURCE))
 708     {
 709         WaitForSingleObject(thread, INFINITE);
 710         GetExitCodeThread(thread, &rc);
 711         CloseHandle(thread);
 712     }
 713     else
 714         rc = GetLastError();
 715
 716     CoUninitialize();
 717     return rc;
 718 }
 719
 720 static msi_custom_action_info *do_msidbCustomActionTypeDll(
 721     MSIPACKAGE *package, INT type, LPCWSTR source, LPCWSTR target, LPCWSTR action )
 722 {
 723     msi_custom_action_info *info;
 724     RPC_STATUS status;
 725     BOOL ret;
 726
 727     info = msi_alloc( sizeof *info );
 728     if (!info)
 729         return NULL;
 730
 731     msiobj_addref( &package->hdr );
 732     info->package = package;
 733     info->type = type;
 734     info->target = strdupW( target );
 735     info->source = strdupW( source );
 736     info->action = strdupW( action );
 737     CoCreateGuid( &info->guid );
 738
 739     EnterCriticalSection( &msi_custom_action_cs );
 740     list_add_tail( &msi_pending_custom_actions, &info->entry );
 741     LeaveCriticalSection( &msi_custom_action_cs );
 742
 743     if (!package->rpc_server_started)
 744     {
 745         WCHAR endpoint[12];
 746
 747         swprintf(endpoint, ARRAY_SIZE(endpoint), endpoint_fmtW, GetCurrentProcessId());
 748         status = RpcServerUseProtseqEpW(ncalrpcW, RPC_C_PROTSEQ_MAX_REQS_DEFAULT,
 749             endpoint, NULL);
 750         if (status != RPC_S_OK)
 751         {
 752             ERR("RpcServerUseProtseqEp failed: %#x\n", status);
 753             return NULL;
 754         }
 755
 756         status = RpcServerRegisterIfEx(s_IWineMsiRemote_v0_0_s_ifspec, NULL, NULL,
 757             RPC_IF_AUTOLISTEN, RPC_C_LISTEN_MAX_CALLS_DEFAULT, NULL);
 758         if (status != RPC_S_OK)
 759         {
 760             ERR("RpcServerRegisterIfEx failed: %#x\n", status);
 761             return NULL;
 762         }
 763
 764         info->package->rpc_server_started = 1;
 765     }
 766
 767     ret = GetBinaryTypeW(source, &info->arch);
 768     if (!ret)
 769         info->arch = (sizeof(void *) == 8 ? SCS_64BIT_BINARY : SCS_32BIT_BINARY);
 770
 771     custom_start_server(package, info->arch);
 772
 773     info->handle = CreateThread(NULL, 0, custom_client_thread, info, 0, NULL);
 774     if (!info->handle)
 775     {
 776         free_custom_action_data( info );
 777         return NULL;
 778     }
 779
 780     return info;
 781 }
 782
 783 static UINT HANDLE_CustomType1( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
 784                                 INT type, const WCHAR *action )
 785 {
 786     msi_custom_action_info *info;
 787     MSIBINARY *binary;
 788
 789     if (!(binary = get_temp_binary(package, source)))
 790         return ERROR_FUNCTION_FAILED;
 791
 792     TRACE("Calling function %s from %s\n", debugstr_w(target), debugstr_w(binary->tmpfile));
 793
 794     info = do_msidbCustomActionTypeDll( package, type, binary->tmpfile, target, action );
 795     return wait_thread_handle( info );
 796 }
 797
 798 static HANDLE execute_command( const WCHAR *app, WCHAR *arg, const WCHAR *dir )
 799 {
 800     static const WCHAR dotexeW[] = {'.','e','x','e',0};
 801     STARTUPINFOW si;
 802     PROCESS_INFORMATION info;
 803     WCHAR *exe = NULL, *cmd = NULL, *p;
 804     BOOL ret;
 805
 806     if (app)
 807     {
 808         int len_arg = 0;
 809         DWORD len_exe;
 810
 811         if (!(exe = msi_alloc( MAX_PATH * sizeof(WCHAR) ))) return INVALID_HANDLE_VALUE;
 812         len_exe = SearchPathW( NULL, app, dotexeW, MAX_PATH, exe, NULL );
 813         if (len_exe >= MAX_PATH)
 814         {
 815             msi_free( exe );
 816             if (!(exe = msi_alloc( len_exe * sizeof(WCHAR) ))) return INVALID_HANDLE_VALUE;
 817             len_exe = SearchPathW( NULL, app, dotexeW, len_exe, exe, NULL );
 818         }
 819         if (!len_exe)
 820         {
 821             ERR("can't find executable %u\n", GetLastError());
 822             msi_free( exe );
 823             return INVALID_HANDLE_VALUE;
 824         }
 825
 826         if (arg) len_arg = lstrlenW( arg );
 827         if (!(cmd = msi_alloc( (len_exe + len_arg + 4) * sizeof(WCHAR) )))
 828         {
 829             msi_free( exe );
 830             return INVALID_HANDLE_VALUE;
 831         }
 832         p = cmd;
 833         if (wcschr( exe, ' ' ))
 834         {
 835             *p++ = '\"';
 836             memcpy( p, exe, len_exe * sizeof(WCHAR) );
 837             p += len_exe;
 838             *p++ = '\"';
 839             *p = 0;
 840         }
 841         else
 842         {
 843             lstrcpyW( p, exe );
 844             p += len_exe;
 845         }
 846         if (arg)
 847         {
 848             *p++ = ' ';
 849             memcpy( p, arg, len_arg * sizeof(WCHAR) );
 850             p[len_arg] = 0;
 851         }
 852     }
 853     memset( &si, 0, sizeof(STARTUPINFOW) );
 854     ret = CreateProcessW( exe, exe ? cmd : arg, NULL, NULL, FALSE, 0, NULL, dir, &si, &info );
 855     msi_free( cmd );
 856     msi_free( exe );
 857     if (!ret)
 858     {
 859         ERR("unable to execute command %u\n", GetLastError());
 860         return INVALID_HANDLE_VALUE;
 861     }
 862     CloseHandle( info.hThread );
 863     return info.hProcess;
 864 }
 865
 866 static UINT HANDLE_CustomType2( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
 867                                 INT type, const WCHAR *action )
 868 {
 869     MSIBINARY *binary;
 870     HANDLE handle;
 871     WCHAR *arg;
 872
 873     if (!(binary = get_temp_binary(package, source)))
 874         return ERROR_FUNCTION_FAILED;
 875
 876     deformat_string( package, target, &arg );
 877     TRACE("exe %s arg %s\n", debugstr_w(binary->tmpfile), debugstr_w(arg));
 878
 879     handle = execute_command( binary->tmpfile, arg, szCRoot );
 880     msi_free( arg );
 881     if (handle == INVALID_HANDLE_VALUE) return ERROR_SUCCESS;
 882     return wait_process_handle( package, type, handle, action );
 883 }
 884
 885 static UINT HANDLE_CustomType17( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
 886                                  INT type, const WCHAR *action )
 887 {
 888     msi_custom_action_info *info;
 889     MSIFILE *file;
 890
 891     TRACE("%s %s\n", debugstr_w(source), debugstr_w(target));
 892
 893     file = msi_get_loaded_file( package, source );
 894     if (!file)
 895     {
 896         ERR("invalid file key %s\n", debugstr_w( source ));
 897         return ERROR_FUNCTION_FAILED;
 898     }
 899
 900     info = do_msidbCustomActionTypeDll( package, type, file->TargetPath, target, action );
 901     return wait_thread_handle( info );
 902 }
 903
 904 static UINT HANDLE_CustomType18( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
 905                                  INT type, const WCHAR *action )
 906 {
 907     MSIFILE *file;
 908     HANDLE handle;
 909     WCHAR *arg;
 910
 911     if (!(file = msi_get_loaded_file( package, source ))) return ERROR_FUNCTION_FAILED;
 912
 913     deformat_string( package, target, &arg );
 914     TRACE("exe %s arg %s\n", debugstr_w(file->TargetPath), debugstr_w(arg));
 915
 916     handle = execute_command( file->TargetPath, arg, szCRoot );
 917     msi_free( arg );
 918     if (handle == INVALID_HANDLE_VALUE) return ERROR_SUCCESS;
 919     return wait_process_handle( package, type, handle, action );
 920 }
 921
 922 static UINT HANDLE_CustomType19( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
 923                                  INT type, const WCHAR *action )
 924 {
 925     static const WCHAR query[] = {
 926       'S','E','L','E','C','T',' ','`','M','e','s','s','a','g','e','`',' ',
 927       'F','R','O','M',' ','`','E','r','r','o','r','`',' ',
 928       'W','H','E','R','E',' ','`','E','r','r','o','r','`',' ','=',' ',
 929       '%','s',0
 930     };
 931     MSIRECORD *row = 0;
 932     LPWSTR deformated = NULL;
 933
 934     deformat_string( package, target, &deformated );
 935
 936     /* first try treat the error as a number */
 937     row = MSI_QueryGetRecord( package->db, query, deformated );
 938     if( row )
 939     {
 940         LPCWSTR error = MSI_RecordGetString( row, 1 );
 941         if ((package->ui_level & INSTALLUILEVEL_MASK) != INSTALLUILEVEL_NONE)
 942             MessageBoxW( NULL, error, NULL, MB_OK );
 943         msiobj_release( &row->hdr );
 944     }
 945     else if ((package->ui_level & INSTALLUILEVEL_MASK) != INSTALLUILEVEL_NONE)
 946         MessageBoxW( NULL, deformated, NULL, MB_OK );
 947
 948     msi_free( deformated );
 949
 950     return ERROR_INSTALL_FAILURE;
 951 }
 952
 953 static WCHAR *build_msiexec_args( const WCHAR *filename, const WCHAR *params )
 954 {
 955     UINT len_filename = lstrlenW( filename ), len_params = lstrlenW( params );
 956     UINT len = ARRAY_SIZE(L"/qb /i ") - 1;
 957     WCHAR *ret;
 958
 959     if (!(ret = msi_alloc( (len + len_filename + len_params + 4) * sizeof(WCHAR) ))) return NULL;
 960     memcpy( ret, L"/qb /i ", sizeof(L"/qb /i ") );
 961     ret[len++] = '"';
 962     memcpy( ret + len, filename, len_filename * sizeof(WCHAR) );
 963     len += len_filename;
 964     ret[len++] = '"';
 965     ret[len++] = ' ';
 966     lstrcpyW( ret + len, params );
 967     return ret;
 968 }
 969
 970 static UINT HANDLE_CustomType23( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
 971                                  INT type, const WCHAR *action )
 972 {
 973     WCHAR *dir, *filename, *args, *p;
 974     UINT len_dir, len_source = lstrlenW( source );
 975     HANDLE handle;
 976
 977     if (!(dir = msi_dup_property( package->db, szOriginalDatabase ))) return ERROR_OUTOFMEMORY;
 978     if (!(p = wcsrchr( dir, '\\' )) && !(p = wcsrchr( dir, '/' )))
 979     {
 980         msi_free( dir );
 981         return ERROR_FUNCTION_FAILED;
 982     }
 983     *p = 0;
 984     len_dir = p - dir;
 985     if (!(filename = msi_alloc( (len_dir + len_source + 2) * sizeof(WCHAR) )))
 986     {
 987         msi_free( dir );
 988         return ERROR_OUTOFMEMORY;
 989     }
 990     memcpy( filename, dir, len_dir * sizeof(WCHAR) );
 991     filename[len_dir++] = '\\';
 992     memcpy( filename + len_dir, source, len_source * sizeof(WCHAR) );
 993     filename[len_dir + len_source] = 0;
 994
 995     if (!(args = build_msiexec_args( filename, target )))
 996     {
 997         msi_free( dir );
 998         return ERROR_OUTOFMEMORY;
 999     }
1000
1001     TRACE("installing %s concurrently\n", debugstr_w(source));
1002
1003     handle = execute_command( L"msiexec", args, dir );
1004     msi_free( dir );
1005     msi_free( args );
1006     if (handle == INVALID_HANDLE_VALUE) return ERROR_SUCCESS;
1007     return wait_process_handle( package, type, handle, action );
1008 }
1009
1010 static UINT write_substorage_to_file( MSIPACKAGE *package, const WCHAR *source, const WCHAR *filename )
1011 {
1012     IStorage *src = NULL, *dst = NULL;
1013     UINT r = ERROR_FUNCTION_FAILED;
1014     HRESULT hr;
1015
1016     hr = StgCreateDocfile( filename, STGM_CREATE|STGM_TRANSACTED|STGM_WRITE|STGM_SHARE_EXCLUSIVE, 0, &dst );
1017     if (FAILED( hr ))
1018     {
1019         WARN( "can't open destination storage %s (%08x)\n", debugstr_w(filename), hr );
1020         goto done;
1021     }
1022
1023     hr = IStorage_OpenStorage( package->db->storage, source, NULL, STGM_SHARE_EXCLUSIVE, NULL, 0, &src );
1024     if (FAILED( hr ))
1025     {
1026         WARN( "can't open source storage %s (%08x)\n", debugstr_w(source), hr );
1027         goto done;
1028     }
1029
1030     hr = IStorage_CopyTo( src, 0, NULL, NULL, dst );
1031     if (FAILED( hr ))
1032     {
1033         ERR( "failed to copy storage %s (%08x)\n", debugstr_w(source), hr );
1034         goto done;
1035     }
1036
1037     hr = IStorage_Commit( dst, 0 );
1038     if (FAILED( hr ))
1039         ERR( "failed to commit storage (%08x)\n", hr );
1040     else
1041         r = ERROR_SUCCESS;
1042
1043 done:
1044     if (src) IStorage_Release( src );
1045     if (dst) IStorage_Release( dst );
1046     return r;
1047 }
1048
1049 static UINT HANDLE_CustomType7( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
1050                                 INT type, const WCHAR *action )
1051 {
1052     WCHAR *tmpfile, *args;
1053     MSIBINARY *binary = NULL;
1054     HANDLE handle;
1055     UINT r;
1056
1057     if (!(tmpfile = msi_create_temp_file( package->db ))) return ERROR_FUNCTION_FAILED;
1058
1059     r = write_substorage_to_file( package, source, tmpfile );
1060     if (r != ERROR_SUCCESS)
1061         goto error;
1062
1063     if (!(binary = msi_alloc( sizeof(*binary) ))) goto error;
1064     binary->source  = NULL;
1065     binary->tmpfile = tmpfile;
1066     list_add_tail( &package->binaries, &binary->entry );
1067
1068     if (!(args = build_msiexec_args( tmpfile, target ))) return ERROR_OUTOFMEMORY;
1069
1070     TRACE("installing %s concurrently\n", debugstr_w(source));
1071
1072     handle = execute_command( L"msiexec", args, L"C:\\" );
1073     msi_free( args );
1074     if (handle == INVALID_HANDLE_VALUE) return ERROR_SUCCESS;
1075     return wait_process_handle( package, type, handle, action );
1076
1077 error:
1078     DeleteFileW( tmpfile );
1079     msi_free( tmpfile );
1080     return ERROR_FUNCTION_FAILED;
1081 }
1082
1083 static UINT HANDLE_CustomType50( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
1084                                  INT type, const WCHAR *action )
1085 {
1086     WCHAR *exe, *arg;
1087     HANDLE handle;
1088
1089     if (!(exe = msi_dup_property( package->db, source ))) return ERROR_SUCCESS;
1090
1091     deformat_string( package, target, &arg );
1092     TRACE("exe %s arg %s\n", debugstr_w(exe), debugstr_w(arg));
1093
1094     handle = execute_command( exe, arg, szCRoot );
1095     msi_free( exe );
1096     msi_free( arg );
1097     if (handle == INVALID_HANDLE_VALUE) return ERROR_SUCCESS;
1098     return wait_process_handle( package, type, handle, action );
1099 }
1100
1101 static UINT HANDLE_CustomType34( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
1102                                  INT type, const WCHAR *action )
1103 {
1104     const WCHAR *workingdir = NULL;
1105     HANDLE handle;
1106     WCHAR *cmd;
1107
1108     if (source)
1109     {
1110         workingdir = msi_get_target_folder( package, source );
1111         if (!workingdir) return ERROR_FUNCTION_FAILED;
1112     }
1113     deformat_string( package, target, &cmd );
1114     if (!cmd) return ERROR_FUNCTION_FAILED;
1115
1116     TRACE("cmd %s dir %s\n", debugstr_w(cmd), debugstr_w(workingdir));
1117
1118     handle = execute_command( NULL, cmd, workingdir );
1119     msi_free( cmd );
1120     if (handle == INVALID_HANDLE_VALUE) return ERROR_SUCCESS;
1121     return wait_process_handle( package, type, handle, action );
1122 }
1123
1124 static DWORD ACTION_CallScript( const GUID *guid )
1125 {
1126     msi_custom_action_info *info;
1127     MSIHANDLE hPackage;
1128     UINT r = ERROR_FUNCTION_FAILED;
1129
1130     info = find_action_by_guid( guid );
1131     if (!info)
1132     {
1133         ERR("failed to find action %s\n", debugstr_guid( guid) );
1134         return ERROR_FUNCTION_FAILED;
1135     }
1136
1137     TRACE("function %s, script %s\n", debugstr_w( info->target ), debugstr_w( info->source ) );
1138
1139     hPackage = alloc_msihandle( &info->package->hdr );
1140     if (hPackage)
1141     {
1142         r = call_script( hPackage, info->type, info->source, info->target, info->action );
1143         TRACE("script returned %u\n", r);
1144         MsiCloseHandle( hPackage );
1145     }
1146     else
1147         ERR("failed to create handle for %p\n", info->package );
1148
1149     return r;
1150 }
1151
1152 static DWORD WINAPI ScriptThread( LPVOID arg )
1153 {
1154     LPGUID guid = arg;
1155     DWORD rc;
1156
1157     TRACE("custom action (%x) started\n", GetCurrentThreadId() );
1158
1159     rc = ACTION_CallScript( guid );
1160
1161     TRACE("custom action (%x) returned %i\n", GetCurrentThreadId(), rc );
1162
1163     MsiCloseAllHandles();
1164     return rc;
1165 }
1166
1167 static msi_custom_action_info *do_msidbCustomActionTypeScript(
1168     MSIPACKAGE *package, INT type, LPCWSTR script, LPCWSTR function, LPCWSTR action )
1169 {
1170     msi_custom_action_info *info;
1171
1172     info = msi_alloc( sizeof *info );
1173     if (!info)
1174         return NULL;
1175
1176     msiobj_addref( &package->hdr );
1177     info->package = package;
1178     info->type = type;
1179     info->target = strdupW( function );
1180     info->source = strdupW( script );
1181     info->action = strdupW( action );
1182     CoCreateGuid( &info->guid );
1183
1184     EnterCriticalSection( &msi_custom_action_cs );
1185     list_add_tail( &msi_pending_custom_actions, &info->entry );
1186     LeaveCriticalSection( &msi_custom_action_cs );
1187
1188     info->handle = CreateThread( NULL, 0, ScriptThread, &info->guid, 0, NULL );
1189     if (!info->handle)
1190     {
1191         free_custom_action_data( info );
1192         return NULL;
1193     }
1194
1195     return info;
1196 }
1197
1198 static UINT HANDLE_CustomType37_38( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
1199                                     INT type, const WCHAR *action )
1200 {
1201     msi_custom_action_info *info;
1202
1203     TRACE("%s %s\n", debugstr_w(source), debugstr_w(target));
1204
1205     info = do_msidbCustomActionTypeScript( package, type, target, NULL, action );
1206     return wait_thread_handle( info );
1207 }
1208
1209 static UINT HANDLE_CustomType5_6( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
1210                                   INT type, const WCHAR *action )
1211 {
1212     static const WCHAR query[] = {
1213         'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
1214         '`','B','i' ,'n','a','r','y','`',' ','W','H','E','R','E',' ',
1215         '`','N','a','m','e','`',' ','=',' ','\'','%','s','\'',0};
1216     MSIRECORD *row = NULL;
1217     msi_custom_action_info *info;
1218     CHAR *buffer = NULL;
1219     WCHAR *bufferw = NULL;
1220     DWORD sz = 0;
1221     UINT r;
1222
1223     TRACE("%s %s\n", debugstr_w(source), debugstr_w(target));
1224
1225     row = MSI_QueryGetRecord(package->db, query, source);
1226     if (!row)
1227         return ERROR_FUNCTION_FAILED;
1228
1229     r = MSI_RecordReadStream(row, 2, NULL, &sz);
1230     if (r != ERROR_SUCCESS) goto done;
1231
1232     buffer = msi_alloc( sz + 1 );
1233     if (!buffer)
1234     {
1235        r = ERROR_FUNCTION_FAILED;
1236        goto done;
1237     }
1238
1239     r = MSI_RecordReadStream(row, 2, buffer, &sz);
1240     if (r != ERROR_SUCCESS)
1241         goto done;
1242
1243     buffer[sz] = 0;
1244     bufferw = strdupAtoW(buffer);
1245     if (!bufferw)
1246     {
1247         r = ERROR_FUNCTION_FAILED;
1248         goto done;
1249     }
1250
1251     info = do_msidbCustomActionTypeScript( package, type, bufferw, target, action );
1252     r = wait_thread_handle( info );
1253
1254 done:
1255     msi_free(bufferw);
1256     msi_free(buffer);
1257     msiobj_release(&row->hdr);
1258     return r;
1259 }
1260
1261 static UINT HANDLE_CustomType21_22( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
1262                                     INT type, const WCHAR *action )
1263 {
1264     msi_custom_action_info *info;
1265     MSIFILE *file;
1266     HANDLE hFile;
1267     DWORD sz, szHighWord = 0, read;
1268     CHAR *buffer=NULL;
1269     WCHAR *bufferw=NULL;
1270     BOOL bRet;
1271     UINT r;
1272
1273     TRACE("%s %s\n", debugstr_w(source), debugstr_w(target));
1274
1275     file = msi_get_loaded_file(package, source);
1276     if (!file)
1277     {
1278         ERR("invalid file key %s\n", debugstr_w(source));
1279         return ERROR_FUNCTION_FAILED;
1280     }
1281
1282     hFile = msi_create_file( package, file->TargetPath, GENERIC_READ, FILE_SHARE_READ, OPEN_EXISTING, 0 );
1283     if (hFile == INVALID_HANDLE_VALUE) return ERROR_FUNCTION_FAILED;
1284
1285     sz = GetFileSize(hFile, &szHighWord);
1286     if (sz == INVALID_FILE_SIZE || szHighWord != 0)
1287     {
1288         CloseHandle(hFile);
1289         return ERROR_FUNCTION_FAILED;
1290     }
1291     buffer = msi_alloc( sz + 1 );
1292     if (!buffer)
1293     {
1294         CloseHandle(hFile);
1295         return ERROR_FUNCTION_FAILED;
1296     }
1297     bRet = ReadFile(hFile, buffer, sz, &read, NULL);
1298     CloseHandle(hFile);
1299     if (!bRet)
1300     {
1301         r = ERROR_FUNCTION_FAILED;
1302         goto done;
1303     }
1304     buffer[read] = 0;
1305     bufferw = strdupAtoW(buffer);
1306     if (!bufferw)
1307     {
1308         r = ERROR_FUNCTION_FAILED;
1309         goto done;
1310     }
1311     info = do_msidbCustomActionTypeScript( package, type, bufferw, target, action );
1312     r = wait_thread_handle( info );
1313
1314 done:
1315     msi_free(bufferw);
1316     msi_free(buffer);
1317     return r;
1318 }
1319
1320 static UINT HANDLE_CustomType53_54( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
1321                                     INT type, const WCHAR *action )
1322 {
1323     msi_custom_action_info *info;
1324     WCHAR *prop;
1325
1326     TRACE("%s %s\n", debugstr_w(source), debugstr_w(target));
1327
1328     prop = msi_dup_property( package->db, source );
1329     if (!prop) return ERROR_SUCCESS;
1330
1331     info = do_msidbCustomActionTypeScript( package, type, prop, NULL, action );
1332     msi_free(prop);
1333     return wait_thread_handle( info );
1334 }
1335
1336 static BOOL action_type_matches_script( UINT type, UINT script )
1337 {
1338     switch (script)
1339     {
1340     case SCRIPT_NONE:
1341         return FALSE;
1342     case SCRIPT_INSTALL:
1343         return !(type & msidbCustomActionTypeCommit) && !(type & msidbCustomActionTypeRollback);
1344     case SCRIPT_COMMIT:
1345         return (type & msidbCustomActionTypeCommit);
1346     case SCRIPT_ROLLBACK:
1347         return (type & msidbCustomActionTypeRollback);
1348     default:
1349         ERR("unhandled script %u\n", script);
1350     }
1351     return FALSE;
1352 }
1353
1354 static UINT defer_custom_action( MSIPACKAGE *package, const WCHAR *action, UINT type )
1355 {
1356     WCHAR *actiondata = msi_dup_property( package->db, action );
1357     WCHAR *usersid = msi_dup_property( package->db, szUserSID );
1358     WCHAR *prodcode = msi_dup_property( package->db, szProductCode );
1359     WCHAR *deferred = msi_get_deferred_action( action, actiondata, usersid, prodcode );
1360
1361     if (!deferred)
1362     {
1363         msi_free( actiondata );
1364         msi_free( usersid );
1365         msi_free( prodcode );
1366         return ERROR_OUTOFMEMORY;
1367     }
1368     if (type & msidbCustomActionTypeCommit)
1369     {
1370         TRACE("deferring commit action\n");
1371         msi_schedule_action( package, SCRIPT_COMMIT, deferred );
1372     }
1373     else if (type & msidbCustomActionTypeRollback)
1374     {
1375         TRACE("deferring rollback action\n");
1376         msi_schedule_action( package, SCRIPT_ROLLBACK, deferred );
1377     }
1378     else
1379     {
1380         TRACE("deferring install action\n");
1381         msi_schedule_action( package, SCRIPT_INSTALL, deferred );
1382     }
1383
1384     msi_free( actiondata );
1385     msi_free( usersid );
1386     msi_free( prodcode );
1387     msi_free( deferred );
1388     return ERROR_SUCCESS;
1389 }
1390
1391 UINT ACTION_CustomAction(MSIPACKAGE *package, const WCHAR *action)
1392 {
1393     static const WCHAR query[] = {
1394         'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
1395         '`','C','u','s','t','o','m','A','c','t','i','o','n','`',' ','W','H','E','R','E',' ',
1396         '`','A','c','t','i' ,'o','n','`',' ','=',' ','\'','%','s','\'',0};
1397     UINT rc = ERROR_SUCCESS;
1398     MSIRECORD *row;
1399     UINT type;
1400     const WCHAR *source, *target, *ptr, *deferred_data = NULL;
1401     WCHAR *deformated = NULL;
1402     int len;
1403
1404     /* deferred action: [properties]Action */
1405     if ((ptr = wcsrchr(action, ']')))
1406     {
1407         deferred_data = action;
1408         action = ptr + 1;
1409     }
1410
1411     row = MSI_QueryGetRecord( package->db, query, action );
1412     if (!row)
1413         return ERROR_FUNCTION_NOT_CALLED;
1414
1415     type = MSI_RecordGetInteger(row,2);
1416     source = MSI_RecordGetString(row,3);
1417     target = MSI_RecordGetString(row,4);
1418
1419     TRACE("Handling custom action %s (%x %s %s)\n",debugstr_w(action),type,
1420           debugstr_w(source), debugstr_w(target));
1421
1422     /* handle some of the deferred actions */
1423     if (type & msidbCustomActionTypeTSAware)
1424         FIXME("msidbCustomActionTypeTSAware not handled\n");
1425
1426     if (type & msidbCustomActionTypeInScript)
1427     {
1428         if (type & msidbCustomActionTypeNoImpersonate)
1429             WARN("msidbCustomActionTypeNoImpersonate not handled\n");
1430
1431         if (!action_type_matches_script(type, package->script))
1432         {
1433             rc = defer_custom_action( package, action, type );
1434             goto end;
1435         }
1436         else
1437         {
1438             LPWSTR actiondata = msi_dup_property( package->db, action );
1439
1440             if (type & msidbCustomActionTypeInScript)
1441                 package->scheduled_action_running = TRUE;
1442
1443             if (type & msidbCustomActionTypeCommit)
1444                 package->commit_action_running = TRUE;
1445
1446             if (type & msidbCustomActionTypeRollback)
1447                 package->rollback_action_running = TRUE;
1448
1449             if (deferred_data)
1450                 set_deferred_action_props(package, deferred_data);
1451             else if (actiondata)
1452                 msi_set_property( package->db, szCustomActionData, actiondata, -1 );
1453             else
1454                 msi_set_property( package->db, szCustomActionData, szEmpty, -1 );
1455
1456             msi_free(actiondata);
1457         }
1458     }
1459     else if (!check_execution_scheduling_options(package,action,type))
1460     {
1461         rc = ERROR_SUCCESS;
1462         goto end;
1463     }
1464
1465     switch (type & CUSTOM_ACTION_TYPE_MASK)
1466     {
1467     case 1: /* DLL file stored in a Binary table stream */
1468         rc = HANDLE_CustomType1( package, source, target, type, action );
1469         break;
1470     case 2: /* EXE file stored in a Binary table stream */
1471         rc = HANDLE_CustomType2( package, source, target, type, action );
1472         break;
1473     case 5:
1474     case 6: /* JScript/VBScript file stored in a Binary table stream */
1475         rc = HANDLE_CustomType5_6( package, source, target, type, action );
1476         break;
1477     case 7: /* Concurrent install from substorage */
1478         deformat_string( package, target, &deformated );
1479         rc = HANDLE_CustomType7( package, source, target, type, action );
1480         msi_free( deformated );
1481         break;
1482     case 17:
1483         rc = HANDLE_CustomType17( package, source, target, type, action );
1484         break;
1485     case 18: /* EXE file installed with package */
1486         rc = HANDLE_CustomType18( package, source, target, type, action );
1487         break;
1488     case 19: /* Error that halts install */
1489         rc = HANDLE_CustomType19( package, source, target, type, action );
1490         break;
1491     case 21: /* JScript/VBScript file installed with the product */
1492     case 22:
1493         rc = HANDLE_CustomType21_22( package, source, target, type, action );
1494         break;
1495     case 23: /* Installs another package in the source tree */
1496         deformat_string( package, target, &deformated );
1497         rc = HANDLE_CustomType23( package, source, deformated, type, action );
1498         msi_free( deformated );
1499         break;
1500     case 34: /* EXE to be run in specified directory */
1501         rc = HANDLE_CustomType34( package, source, target, type, action );
1502         break;
1503     case 35: /* Directory set with formatted text */
1504         deformat_string( package, target, &deformated );
1505         MSI_SetTargetPathW( package, source, deformated );
1506         msi_free( deformated );
1507         break;
1508     case 37: /* JScript/VBScript text stored in target column */
1509     case 38:
1510         rc = HANDLE_CustomType37_38( package, source, target, type, action );
1511         break;
1512     case 50: /* EXE file specified by a property value */
1513         rc = HANDLE_CustomType50( package, source, target, type, action );
1514         break;
1515     case 51: /* Property set with formatted text */
1516         if (!source) break;
1517         len = deformat_string( package, target, &deformated );
1518         rc = msi_set_property( package->db, source, deformated, len );
1519         if (rc == ERROR_SUCCESS && !wcscmp( source, szSourceDir )) msi_reset_source_folders( package );
1520         msi_free( deformated );
1521         break;
1522     case 53: /* JScript/VBScript text specified by a property value */
1523     case 54:
1524         rc = HANDLE_CustomType53_54( package, source, target, type, action );
1525         break;
1526     default:
1527         FIXME( "unhandled action type %u (%s %s)\n", type & CUSTOM_ACTION_TYPE_MASK, debugstr_w(source),
1528                debugstr_w(target) );
1529     }
1530
1531 end:
1532     package->scheduled_action_running = FALSE;
1533     package->commit_action_running = FALSE;
1534     package->rollback_action_running = FALSE;
1535     msiobj_release(&row->hdr);
1536     return rc;
1537 }
1538
1539 void ACTION_FinishCustomActions(const MSIPACKAGE* package)
1540 {
1541     struct list *item;
1542     HANDLE *wait_handles;
1543     unsigned int handle_count, i;
1544     msi_custom_action_info *info, *cursor;
1545
1546     while ((item = list_head( &package->RunningActions )))
1547     {
1548         MSIRUNNINGACTION *action = LIST_ENTRY( item, MSIRUNNINGACTION, entry );
1549
1550         list_remove( &action->entry );
1551
1552         TRACE("waiting for %s\n", debugstr_w( action->name ) );
1553         msi_dialog_check_messages( action->handle );
1554
1555         CloseHandle( action->handle );
1556         msi_free( action->name );
1557         msi_free( action );
1558     }
1559
1560     EnterCriticalSection( &msi_custom_action_cs );
1561
1562     handle_count = list_count( &msi_pending_custom_actions );
1563     wait_handles = msi_alloc( handle_count * sizeof(HANDLE) );
1564
1565     handle_count = 0;
1566     LIST_FOR_EACH_ENTRY_SAFE( info, cursor, &msi_pending_custom_actions, msi_custom_action_info, entry )
1567     {
1568         if (info->package == package )
1569         {
1570             if (DuplicateHandle(GetCurrentProcess(), info->handle, GetCurrentProcess(), &wait_handles[handle_count], SYNCHRONIZE, FALSE, 0))
1571                 handle_count++;
1572         }
1573     }
1574
1575     LeaveCriticalSection( &msi_custom_action_cs );
1576
1577     for (i = 0; i < handle_count; i++)
1578     {
1579         msi_dialog_check_messages( wait_handles[i] );
1580         CloseHandle( wait_handles[i] );
1581     }
1582     msi_free( wait_handles );
1583
1584     EnterCriticalSection( &msi_custom_action_cs );
1585     LIST_FOR_EACH_ENTRY_SAFE( info, cursor, &msi_pending_custom_actions, msi_custom_action_info, entry )
1586     {
1587         if (info->package == package)
1588             free_custom_action_data( info );
1589     }
1590     LeaveCriticalSection( &msi_custom_action_cs );
1591 }
1592
1593 UINT __cdecl s_remote_GetActionInfo(const GUID *guid, int *type, LPWSTR *dll, LPSTR *func, MSIHANDLE *hinst)
1594 {
1595     msi_custom_action_info *info;
1596
1597     info = find_action_by_guid(guid);
1598     if (!info)
1599         return ERROR_INVALID_DATA;
1600
1601     *type = info->type;
1602     *hinst = alloc_msihandle(&info->package->hdr);
1603     *dll = strdupW(info->source);
1604     *func = strdupWtoA(info->target);
1605
1606     return ERROR_SUCCESS;
1607 }