dlls/msi/custom.c

   1 /*
   2  * Custom Action processing for the Microsoft Installer (msi.dll)
   3  *
   4  * Copyright 2005 Aric Stewart for CodeWeavers
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "config.h"
  22 #include "wine/port.h"
  23
  24 #define COBJMACROS
  25
  26 #include <stdarg.h>
  27 #include <stdio.h>
  28 #include "windef.h"
  29 #include "winbase.h"
  30 #include "winerror.h"
  31 #include "msidefs.h"
  32 #include "winuser.h"
  33 #include "objbase.h"
  34 #include "oleauto.h"
  35
  36 #include "msipriv.h"
  37 #include "winemsi.h"
  38 #include "wine/heap.h"
  39 #include "wine/debug.h"
  40 #include "wine/unicode.h"
  41 #include "wine/exception.h"
  42
  43 WINE_DEFAULT_DEBUG_CHANNEL(msi);
  44
  45 #define CUSTOM_ACTION_TYPE_MASK 0x3F
  46
  47 typedef struct tagMSIRUNNINGACTION
  48 {
  49     struct list entry;
  50     HANDLE handle;
  51     BOOL   process;
  52     LPWSTR name;
  53 } MSIRUNNINGACTION;
  54
  55 typedef UINT (WINAPI *MsiCustomActionEntryPoint)( MSIHANDLE );
  56
  57 static CRITICAL_SECTION msi_custom_action_cs;
  58 static CRITICAL_SECTION_DEBUG msi_custom_action_cs_debug =
  59 {
  60     0, 0, &msi_custom_action_cs,
  61     { &msi_custom_action_cs_debug.ProcessLocksList,
  62       &msi_custom_action_cs_debug.ProcessLocksList },
  63       0, 0, { (DWORD_PTR)(__FILE__ ": msi_custom_action_cs") }
  64 };
  65 static CRITICAL_SECTION msi_custom_action_cs = { &msi_custom_action_cs_debug, -1, 0, 0, 0, 0 };
  66
  67 static struct list msi_pending_custom_actions = LIST_INIT( msi_pending_custom_actions );
  68
  69 void  __RPC_FAR * __RPC_USER MIDL_user_allocate(SIZE_T len)
  70 {
  71     return heap_alloc(len);
  72 }
  73
  74 void __RPC_USER MIDL_user_free(void __RPC_FAR * ptr)
  75 {
  76     heap_free(ptr);
  77 }
  78
  79 UINT msi_schedule_action( MSIPACKAGE *package, UINT script, const WCHAR *action )
  80 {
  81     UINT count;
  82     WCHAR **newbuf = NULL;
  83
  84     if (script >= SCRIPT_MAX)
  85     {
  86         FIXME("Unknown script requested %u\n", script);
  87         return ERROR_FUNCTION_FAILED;
  88     }
  89     TRACE("Scheduling action %s in script %u\n", debugstr_w(action), script);
  90
  91     count = package->script_actions_count[script];
  92     package->script_actions_count[script]++;
  93     if (count != 0) newbuf = msi_realloc( package->script_actions[script],
  94                                           package->script_actions_count[script] * sizeof(WCHAR *) );
  95     else newbuf = msi_alloc( sizeof(WCHAR *) );
  96
  97     newbuf[count] = strdupW( action );
  98     package->script_actions[script] = newbuf;
  99     return ERROR_SUCCESS;
 100 }
 101
 102 UINT msi_register_unique_action( MSIPACKAGE *package, const WCHAR *action )
 103 {
 104     UINT count;
 105     WCHAR **newbuf = NULL;
 106
 107     TRACE("Registering %s as unique action\n", debugstr_w(action));
 108
 109     count = package->unique_actions_count;
 110     package->unique_actions_count++;
 111     if (count != 0) newbuf = msi_realloc( package->unique_actions,
 112                                           package->unique_actions_count * sizeof(WCHAR *) );
 113     else newbuf = msi_alloc( sizeof(WCHAR *) );
 114
 115     newbuf[count] = strdupW( action );
 116     package->unique_actions = newbuf;
 117     return ERROR_SUCCESS;
 118 }
 119
 120 BOOL msi_action_is_unique( const MSIPACKAGE *package, const WCHAR *action )
 121 {
 122     UINT i;
 123
 124     for (i = 0; i < package->unique_actions_count; i++)
 125     {
 126         if (!strcmpW( package->unique_actions[i], action )) return TRUE;
 127     }
 128     return FALSE;
 129 }
 130
 131 static BOOL check_execution_scheduling_options(MSIPACKAGE *package, LPCWSTR action, UINT options)
 132 {
 133     if ((options & msidbCustomActionTypeClientRepeat) ==
 134             msidbCustomActionTypeClientRepeat)
 135     {
 136         if (!(package->InWhatSequence & SEQUENCE_UI &&
 137             package->InWhatSequence & SEQUENCE_EXEC))
 138         {
 139             TRACE("Skipping action due to dbCustomActionTypeClientRepeat option.\n");
 140             return FALSE;
 141         }
 142     }
 143     else if (options & msidbCustomActionTypeFirstSequence)
 144     {
 145         if (package->InWhatSequence & SEQUENCE_UI &&
 146             package->InWhatSequence & SEQUENCE_EXEC )
 147         {
 148             TRACE("Skipping action due to msidbCustomActionTypeFirstSequence option.\n");
 149             return FALSE;
 150         }
 151     }
 152     else if (options & msidbCustomActionTypeOncePerProcess)
 153     {
 154         if (msi_action_is_unique(package, action))
 155         {
 156             TRACE("Skipping action due to msidbCustomActionTypeOncePerProcess option.\n");
 157             return FALSE;
 158         }
 159         else
 160             msi_register_unique_action(package, action);
 161     }
 162
 163     return TRUE;
 164 }
 165
 166 /* stores the following properties before the action:
 167  *
 168  *    [CustomActionData<=>UserSID<=>ProductCode]Action
 169  */
 170 static LPWSTR msi_get_deferred_action(LPCWSTR action, LPCWSTR actiondata,
 171                                       LPCWSTR usersid, LPCWSTR prodcode)
 172 {
 173     LPWSTR deferred;
 174     DWORD len;
 175
 176     static const WCHAR format[] = {
 177             '[','%','s','<','=','>','%','s','<','=','>','%','s',']','%','s',0
 178     };
 179
 180     if (!actiondata)
 181         return strdupW(action);
 182
 183     len = lstrlenW(action) + lstrlenW(actiondata) +
 184           lstrlenW(usersid) + lstrlenW(prodcode) +
 185           lstrlenW(format) - 7;
 186     deferred = msi_alloc(len * sizeof(WCHAR));
 187
 188     sprintfW(deferred, format, actiondata, usersid, prodcode, action);
 189     return deferred;
 190 }
 191
 192 static void set_deferred_action_props( MSIPACKAGE *package, const WCHAR *deferred_data )
 193 {
 194     static const WCHAR sep[] = {'<','=','>',0};
 195     const WCHAR *end, *beg = deferred_data + 1;
 196
 197     end = strstrW(beg, sep);
 198     msi_set_property( package->db, szCustomActionData, beg, end - beg );
 199     beg = end + 3;
 200
 201     end = strstrW(beg, sep);
 202     msi_set_property( package->db, szUserSID, beg, end - beg );
 203     beg = end + 3;
 204
 205     end = strchrW(beg, ']');
 206     msi_set_property( package->db, szProductCode, beg, end - beg );
 207 }
 208
 209 WCHAR *msi_create_temp_file( MSIDATABASE *db )
 210 {
 211     WCHAR *ret;
 212
 213     if (!db->tempfolder)
 214     {
 215         WCHAR tmp[MAX_PATH];
 216         UINT len = sizeof(tmp)/sizeof(tmp[0]);
 217
 218         if (msi_get_property( db, szTempFolder, tmp, &len ) ||
 219             GetFileAttributesW( tmp ) != FILE_ATTRIBUTE_DIRECTORY)
 220         {
 221             GetTempPathW( MAX_PATH, tmp );
 222         }
 223         if (!(db->tempfolder = strdupW( tmp ))) return NULL;
 224     }
 225
 226     if ((ret = msi_alloc( (strlenW( db->tempfolder ) + 20) * sizeof(WCHAR) )))
 227     {
 228         if (!GetTempFileNameW( db->tempfolder, szMsi, 0, ret ))
 229         {
 230             msi_free( ret );
 231             return NULL;
 232         }
 233     }
 234
 235     return ret;
 236 }
 237
 238 static MSIBINARY *create_temp_binary(MSIPACKAGE *package, LPCWSTR source)
 239 {
 240     static const WCHAR query[] = {
 241         'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
 242         '`','B','i' ,'n','a','r','y','`',' ','W','H','E','R','E',' ',
 243         '`','N','a','m','e','`',' ','=',' ','\'','%','s','\'',0};
 244     MSIRECORD *row;
 245     MSIBINARY *binary = NULL;
 246     HANDLE file;
 247     CHAR buffer[1024];
 248     WCHAR *tmpfile;
 249     DWORD sz, write;
 250     UINT r;
 251
 252     if (!(tmpfile = msi_create_temp_file( package->db ))) return NULL;
 253
 254     if (!(row = MSI_QueryGetRecord( package->db, query, source ))) goto error;
 255     if (!(binary = msi_alloc_zero( sizeof(MSIBINARY) ))) goto error;
 256
 257     file = CreateFileW( tmpfile, GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL );
 258     if (file == INVALID_HANDLE_VALUE) goto error;
 259
 260     do
 261     {
 262         sz = sizeof(buffer);
 263         r = MSI_RecordReadStream( row, 2, buffer, &sz );
 264         if (r != ERROR_SUCCESS)
 265         {
 266             ERR("Failed to get stream\n");
 267             break;
 268         }
 269         WriteFile( file, buffer, sz, &write, NULL );
 270     } while (sz == sizeof buffer);
 271
 272     CloseHandle( file );
 273     if (r != ERROR_SUCCESS) goto error;
 274
 275     binary->source = strdupW( source );
 276     binary->tmpfile = tmpfile;
 277     list_add_tail( &package->binaries, &binary->entry );
 278
 279     msiobj_release( &row->hdr );
 280     return binary;
 281
 282 error:
 283     if (row) msiobj_release( &row->hdr );
 284     DeleteFileW( tmpfile );
 285     msi_free( tmpfile );
 286     msi_free( binary );
 287     return NULL;
 288 }
 289
 290 static MSIBINARY *get_temp_binary(MSIPACKAGE *package, LPCWSTR source)
 291 {
 292     MSIBINARY *binary;
 293
 294     LIST_FOR_EACH_ENTRY( binary, &package->binaries, MSIBINARY, entry )
 295     {
 296         if (!strcmpW( binary->source, source ))
 297             return binary;
 298     }
 299
 300     return create_temp_binary(package, source);
 301 }
 302
 303 static void file_running_action(MSIPACKAGE* package, HANDLE Handle,
 304                                 BOOL process, LPCWSTR name)
 305 {
 306     MSIRUNNINGACTION *action;
 307
 308     action = msi_alloc( sizeof(MSIRUNNINGACTION) );
 309
 310     action->handle = Handle;
 311     action->process = process;
 312     action->name = strdupW(name);
 313
 314     list_add_tail( &package->RunningActions, &action->entry );
 315 }
 316
 317 static UINT custom_get_process_return( HANDLE process )
 318 {
 319     DWORD rc = 0;
 320
 321     GetExitCodeProcess( process, &rc );
 322     TRACE("exit code is %u\n", rc);
 323     if (rc != 0)
 324         return ERROR_FUNCTION_FAILED;
 325     return ERROR_SUCCESS;
 326 }
 327
 328 static UINT custom_get_thread_return( MSIPACKAGE *package, HANDLE thread )
 329 {
 330     DWORD rc = 0;
 331
 332     GetExitCodeThread( thread, &rc );
 333
 334     switch (rc)
 335     {
 336     case ERROR_FUNCTION_NOT_CALLED:
 337     case ERROR_SUCCESS:
 338     case ERROR_INSTALL_USEREXIT:
 339     case ERROR_INSTALL_FAILURE:
 340         return rc;
 341     case ERROR_NO_MORE_ITEMS:
 342         return ERROR_SUCCESS;
 343     case ERROR_INSTALL_SUSPEND:
 344         ACTION_ForceReboot( package );
 345         return ERROR_SUCCESS;
 346     default:
 347         ERR("Invalid Return Code %d\n",rc);
 348         return ERROR_INSTALL_FAILURE;
 349     }
 350 }
 351
 352 static UINT wait_process_handle(MSIPACKAGE* package, UINT type,
 353                            HANDLE ProcessHandle, LPCWSTR name)
 354 {
 355     UINT rc = ERROR_SUCCESS;
 356
 357     if (!(type & msidbCustomActionTypeAsync))
 358     {
 359         TRACE("waiting for %s\n", debugstr_w(name));
 360
 361         msi_dialog_check_messages(ProcessHandle);
 362
 363         if (!(type & msidbCustomActionTypeContinue))
 364             rc = custom_get_process_return(ProcessHandle);
 365
 366         CloseHandle(ProcessHandle);
 367     }
 368     else
 369     {
 370         TRACE("%s running in background\n", debugstr_w(name));
 371
 372         if (!(type & msidbCustomActionTypeContinue))
 373             file_running_action(package, ProcessHandle, TRUE, name);
 374         else
 375             CloseHandle(ProcessHandle);
 376     }
 377
 378     return rc;
 379 }
 380
 381 typedef struct _msi_custom_action_info {
 382     struct list entry;
 383     MSIPACKAGE *package;
 384     LPWSTR source;
 385     LPWSTR target;
 386     HANDLE handle;
 387     LPWSTR action;
 388     INT type;
 389     GUID guid;
 390     DWORD arch;
 391 } msi_custom_action_info;
 392
 393 static void free_custom_action_data( msi_custom_action_info *info )
 394 {
 395     EnterCriticalSection( &msi_custom_action_cs );
 396
 397     list_remove( &info->entry );
 398     if (info->handle)
 399         CloseHandle( info->handle );
 400     msi_free( info->action );
 401     msi_free( info->source );
 402     msi_free( info->target );
 403     msiobj_release( &info->package->hdr );
 404     msi_free( info );
 405
 406     LeaveCriticalSection( &msi_custom_action_cs );
 407 }
 408
 409 static UINT wait_thread_handle( msi_custom_action_info *info )
 410 {
 411     UINT rc = ERROR_SUCCESS;
 412
 413     if (!(info->type & msidbCustomActionTypeAsync))
 414     {
 415         TRACE("waiting for %s\n", debugstr_w( info->action ));
 416
 417         msi_dialog_check_messages( info->handle );
 418
 419         if (!(info->type & msidbCustomActionTypeContinue))
 420             rc = custom_get_thread_return( info->package, info->handle );
 421
 422         free_custom_action_data( info );
 423     }
 424     else
 425     {
 426         TRACE("%s running in background\n", debugstr_w( info->action ));
 427     }
 428
 429     return rc;
 430 }
 431
 432 static msi_custom_action_info *find_action_by_guid( const GUID *guid )
 433 {
 434     msi_custom_action_info *info;
 435     BOOL found = FALSE;
 436
 437     EnterCriticalSection( &msi_custom_action_cs );
 438
 439     LIST_FOR_EACH_ENTRY( info, &msi_pending_custom_actions, msi_custom_action_info, entry )
 440     {
 441         if (IsEqualGUID( &info->guid, guid ))
 442         {
 443             found = TRUE;
 444             break;
 445         }
 446     }
 447
 448     LeaveCriticalSection( &msi_custom_action_cs );
 449
 450     if (!found)
 451         return NULL;
 452
 453     return info;
 454 }
 455
 456 static void handle_msi_break(LPCSTR target)
 457 {
 458     char format[] = "To debug your custom action, attach your debugger to "
 459                     "process %i (0x%X) and press OK";
 460     char val[MAX_PATH];
 461     char msg[100];
 462
 463     if (!GetEnvironmentVariableA("MsiBreak", val, MAX_PATH))
 464         return;
 465
 466     if (strcasecmp(val, target))
 467         return;
 468
 469     sprintf(msg, format, GetCurrentProcessId(), GetCurrentProcessId());
 470     MessageBoxA(NULL, msg, "Windows Installer", MB_OK);
 471     DebugBreak();
 472 }
 473
 474 static WCHAR ncalrpcW[] = {'n','c','a','l','r','p','c',0};
 475 static WCHAR endpoint_lrpcW[] = {'m','s','i',0};
 476
 477 #ifdef __i386__
 478 /* wrapper for apps that don't declare the thread function correctly */
 479 extern UINT custom_proc_wrapper( MsiCustomActionEntryPoint entry, MSIHANDLE hinst );
 480 __ASM_GLOBAL_FUNC(custom_proc_wrapper,
 481                   "pushl %ebp\n\t"
 482                   __ASM_CFI(".cfi_adjust_cfa_offset 4\n\t")
 483                   __ASM_CFI(".cfi_rel_offset %ebp,0\n\t")
 484                   "movl %esp,%ebp\n\t"
 485                   __ASM_CFI(".cfi_def_cfa_register %ebp\n\t")
 486                   "subl $4,%esp\n\t"
 487                   "pushl 12(%ebp)\n\t"
 488                   "call *8(%ebp)\n\t"
 489                   "leave\n\t"
 490                   __ASM_CFI(".cfi_def_cfa %esp,4\n\t")
 491                   __ASM_CFI(".cfi_same_value %ebp\n\t")
 492                   "ret" )
 493 #else
 494 static UINT custom_proc_wrapper( MsiCustomActionEntryPoint entry, MSIHANDLE hinst )
 495 {
 496     return entry(hinst);
 497 }
 498 #endif
 499
 500 UINT CDECL __wine_msi_call_dll_function(const GUID *guid)
 501 {
 502     MsiCustomActionEntryPoint fn;
 503     MSIHANDLE remote_package = 0;
 504     RPC_WSTR binding_str;
 505     MSIHANDLE hPackage;
 506     RPC_STATUS status;
 507     LPWSTR dll = NULL;
 508     LPSTR proc = NULL;
 509     HANDLE hModule;
 510     INT type;
 511     UINT r;
 512
 513     TRACE("%s\n", debugstr_guid( guid ));
 514
 515     if (!rpc_handle)
 516     {
 517         status = RpcStringBindingComposeW(NULL, ncalrpcW, NULL, endpoint_lrpcW, NULL, &binding_str);
 518         if (status != RPC_S_OK)
 519         {
 520             ERR("RpcStringBindingCompose failed: %#x\n", status);
 521             return status;
 522         }
 523         status = RpcBindingFromStringBindingW(binding_str, &rpc_handle);
 524         if (status != RPC_S_OK)
 525         {
 526             ERR("RpcBindingFromStringBinding failed: %#x\n", status);
 527             return status;
 528         }
 529         RpcStringFreeW(&binding_str);
 530     }
 531
 532     r = remote_GetActionInfo(guid, &type, &dll, &proc, &remote_package);
 533     if (r != ERROR_SUCCESS)
 534         return r;
 535
 536     hModule = LoadLibraryW( dll );
 537     if (!hModule)
 538     {
 539         ERR( "failed to load dll %s (%u)\n", debugstr_w( dll ), GetLastError() );
 540         return ERROR_SUCCESS;
 541     }
 542
 543     fn = (MsiCustomActionEntryPoint) GetProcAddress( hModule, proc );
 544     if (fn)
 545     {
 546         hPackage = alloc_msi_remote_handle( remote_package );
 547         if (hPackage)
 548         {
 549             TRACE("calling %s\n", debugstr_a(proc));
 550             handle_msi_break(proc);
 551
 552             __TRY
 553             {
 554                 r = custom_proc_wrapper(fn, hPackage);
 555             }
 556             __EXCEPT_PAGE_FAULT
 557             {
 558                 ERR("Custom action (%s:%s) caused a page fault: %08x\n",
 559                     debugstr_w(dll), debugstr_a(proc), GetExceptionCode());
 560                 r = ERROR_SUCCESS;
 561             }
 562             __ENDTRY;
 563
 564             MsiCloseHandle( hPackage );
 565         }
 566         else
 567             ERR("failed to create handle for %x\n", remote_package );
 568     }
 569     else
 570         ERR("GetProcAddress(%s) failed\n", debugstr_a(proc));
 571
 572     FreeLibrary(hModule);
 573
 574     midl_user_free(dll);
 575     midl_user_free(proc);
 576
 577     return r;
 578 }
 579
 580 static DWORD custom_start_server(MSIPACKAGE *package, DWORD arch)
 581 {
 582     static const WCHAR pipe_name[] = {'\\','\\','.','\\','p','i','p','e','\\','m','s','i','c','a','_','%','x','_','%','d',0};
 583     static const WCHAR msiexecW[] = {'\\','m','s','i','e','x','e','c','.','e','x','e',0};
 584     static const WCHAR argsW[] = {'%','s',' ','-','E','m','b','e','d','d','i','n','g',' ','%','d',0};
 585
 586     WCHAR path[MAX_PATH], cmdline[MAX_PATH + 23];
 587     PROCESS_INFORMATION pi = {0};
 588     STARTUPINFOW si = {0};
 589     WCHAR buffer[24];
 590     void *cookie;
 591     HANDLE pipe;
 592     BOOL wow64;
 593
 594     if ((arch == SCS_32BIT_BINARY && package->custom_server_32_process) ||
 595         (arch == SCS_64BIT_BINARY && package->custom_server_64_process))
 596         return ERROR_SUCCESS;
 597
 598     sprintfW(buffer, pipe_name, GetCurrentProcessId(), arch == SCS_32BIT_BINARY ? 32 : 64);
 599     pipe = CreateNamedPipeW(buffer, PIPE_ACCESS_DUPLEX, 0, 1, sizeof(DWORD64),
 600         sizeof(GUID), 0, NULL);
 601     if (pipe == INVALID_HANDLE_VALUE)
 602         ERR("Failed to create custom action client pipe: %u\n", GetLastError());
 603
 604     if (sizeof(void *) == 8 && arch == SCS_32BIT_BINARY)
 605         GetSystemWow64DirectoryW(path, MAX_PATH - sizeof(msiexecW)/sizeof(WCHAR));
 606     else
 607         GetSystemDirectoryW(path, MAX_PATH - sizeof(msiexecW)/sizeof(WCHAR));
 608     strcatW(path, msiexecW);
 609     sprintfW(cmdline, argsW, path, GetCurrentProcessId());
 610
 611     if (IsWow64Process(GetCurrentProcess(), &wow64) && wow64 && arch == SCS_64BIT_BINARY)
 612     {
 613         Wow64DisableWow64FsRedirection(&cookie);
 614         CreateProcessW(path, cmdline, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi);
 615         Wow64RevertWow64FsRedirection(cookie);
 616     }
 617     else
 618         CreateProcessW(path, cmdline, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi);
 619
 620     CloseHandle(pi.hThread);
 621
 622     if (arch == SCS_32BIT_BINARY)
 623     {
 624         package->custom_server_32_process = pi.hProcess;
 625         package->custom_server_32_pipe = pipe;
 626     }
 627     else
 628     {
 629         package->custom_server_64_process = pi.hProcess;
 630         package->custom_server_64_pipe = pipe;
 631     }
 632
 633     if (!ConnectNamedPipe(pipe, NULL))
 634     {
 635         ERR("Failed to connect to custom action server: %u\n", GetLastError());
 636         return GetLastError();
 637     }
 638
 639     return ERROR_SUCCESS;
 640 }
 641
 642 void custom_stop_server(HANDLE process, HANDLE pipe)
 643 {
 644     DWORD size;
 645
 646     WriteFile(pipe, &GUID_NULL, sizeof(GUID_NULL), &size, NULL);
 647     WaitForSingleObject(process, INFINITE);
 648     CloseHandle(process);
 649     CloseHandle(pipe);
 650 }
 651
 652 static DWORD WINAPI custom_client_thread(void *arg)
 653 {
 654     msi_custom_action_info *info = arg;
 655     DWORD64 thread64;
 656     HANDLE process;
 657     HANDLE thread;
 658     HANDLE pipe;
 659     DWORD size;
 660     UINT rc;
 661
 662     CoInitializeEx(NULL, COINIT_MULTITHREADED); /* needed to marshal streams */
 663
 664     if (info->arch == SCS_32BIT_BINARY)
 665     {
 666         process = info->package->custom_server_32_process;
 667         pipe = info->package->custom_server_32_pipe;
 668     }
 669     else
 670     {
 671         process = info->package->custom_server_64_process;
 672         pipe = info->package->custom_server_64_pipe;
 673     }
 674
 675     EnterCriticalSection(&msi_custom_action_cs);
 676
 677     if (!WriteFile(pipe, &info->guid, sizeof(info->guid), &size, NULL) ||
 678         size != sizeof(info->guid))
 679     {
 680         ERR("Failed to write to custom action client pipe: %u\n", GetLastError());
 681         LeaveCriticalSection(&msi_custom_action_cs);
 682         return GetLastError();
 683     }
 684     if (!ReadFile(pipe, &thread64, sizeof(thread64), &size, NULL) || size != sizeof(thread64))
 685     {
 686         ERR("Failed to read from custom action client pipe: %u\n", GetLastError());
 687         LeaveCriticalSection(&msi_custom_action_cs);
 688         return GetLastError();
 689     }
 690
 691     LeaveCriticalSection(&msi_custom_action_cs);
 692
 693     if (DuplicateHandle(process, (HANDLE)(DWORD_PTR)thread64, GetCurrentProcess(),
 694         &thread, 0, FALSE, DUPLICATE_SAME_ACCESS | DUPLICATE_CLOSE_SOURCE))
 695     {
 696         WaitForSingleObject(thread, INFINITE);
 697         GetExitCodeThread(thread, &rc);
 698         CloseHandle(thread);
 699     }
 700     else
 701         rc = GetLastError();
 702
 703     CoUninitialize();
 704     return rc;
 705 }
 706
 707 static msi_custom_action_info *do_msidbCustomActionTypeDll(
 708     MSIPACKAGE *package, INT type, LPCWSTR source, LPCWSTR target, LPCWSTR action )
 709 {
 710     msi_custom_action_info *info;
 711     RPC_STATUS status;
 712     BOOL ret;
 713
 714     info = msi_alloc( sizeof *info );
 715     if (!info)
 716         return NULL;
 717
 718     msiobj_addref( &package->hdr );
 719     info->package = package;
 720     info->type = type;
 721     info->target = strdupW( target );
 722     info->source = strdupW( source );
 723     info->action = strdupW( action );
 724     CoCreateGuid( &info->guid );
 725
 726     EnterCriticalSection( &msi_custom_action_cs );
 727     list_add_tail( &msi_pending_custom_actions, &info->entry );
 728     LeaveCriticalSection( &msi_custom_action_cs );
 729
 730     if (!package->rpc_server_started)
 731     {
 732         status = RpcServerUseProtseqEpW(ncalrpcW, RPC_C_PROTSEQ_MAX_REQS_DEFAULT,
 733             endpoint_lrpcW, NULL);
 734         if (status != RPC_S_OK)
 735         {
 736             ERR("RpcServerUseProtseqEp failed: %#x\n", status);
 737             return NULL;
 738         }
 739
 740         status = RpcServerRegisterIfEx(s_IWineMsiRemote_v0_0_s_ifspec, NULL, NULL,
 741             RPC_IF_AUTOLISTEN, RPC_C_LISTEN_MAX_CALLS_DEFAULT, NULL);
 742         if (status != RPC_S_OK)
 743         {
 744             ERR("RpcServerRegisterIfEx failed: %#x\n", status);
 745             return NULL;
 746         }
 747
 748         info->package->rpc_server_started = 1;
 749     }
 750
 751     ret = GetBinaryTypeW(source, &info->arch);
 752     if (!ret)
 753         info->arch = (sizeof(void *) == 8 ? SCS_64BIT_BINARY : SCS_32BIT_BINARY);
 754
 755     custom_start_server(package, info->arch);
 756
 757     info->handle = CreateThread(NULL, 0, custom_client_thread, info, 0, NULL);
 758     if (!info->handle)
 759     {
 760         free_custom_action_data( info );
 761         return NULL;
 762     }
 763
 764     return info;
 765 }
 766
 767 static UINT HANDLE_CustomType1( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
 768                                 INT type, const WCHAR *action )
 769 {
 770     msi_custom_action_info *info;
 771     MSIBINARY *binary;
 772
 773     if (!(binary = get_temp_binary(package, source)))
 774         return ERROR_FUNCTION_FAILED;
 775
 776     TRACE("Calling function %s from %s\n", debugstr_w(target), debugstr_w(binary->tmpfile));
 777
 778     info = do_msidbCustomActionTypeDll( package, type, binary->tmpfile, target, action );
 779     return wait_thread_handle( info );
 780 }
 781
 782 static HANDLE execute_command( const WCHAR *app, WCHAR *arg, const WCHAR *dir )
 783 {
 784     static const WCHAR dotexeW[] = {'.','e','x','e',0};
 785     STARTUPINFOW si;
 786     PROCESS_INFORMATION info;
 787     WCHAR *exe = NULL, *cmd = NULL, *p;
 788     BOOL ret;
 789
 790     if (app)
 791     {
 792         int len_arg = 0;
 793         DWORD len_exe;
 794
 795         if (!(exe = msi_alloc( MAX_PATH * sizeof(WCHAR) ))) return INVALID_HANDLE_VALUE;
 796         len_exe = SearchPathW( NULL, app, dotexeW, MAX_PATH, exe, NULL );
 797         if (len_exe >= MAX_PATH)
 798         {
 799             msi_free( exe );
 800             if (!(exe = msi_alloc( len_exe * sizeof(WCHAR) ))) return INVALID_HANDLE_VALUE;
 801             len_exe = SearchPathW( NULL, app, dotexeW, len_exe, exe, NULL );
 802         }
 803         if (!len_exe)
 804         {
 805             ERR("can't find executable %u\n", GetLastError());
 806             msi_free( exe );
 807             return INVALID_HANDLE_VALUE;
 808         }
 809
 810         if (arg) len_arg = strlenW( arg );
 811         if (!(cmd = msi_alloc( (len_exe + len_arg + 4) * sizeof(WCHAR) )))
 812         {
 813             msi_free( exe );
 814             return INVALID_HANDLE_VALUE;
 815         }
 816         p = cmd;
 817         if (strchrW( exe, ' ' ))
 818         {
 819             *p++ = '\"';
 820             memcpy( p, exe, len_exe * sizeof(WCHAR) );
 821             p += len_exe;
 822             *p++ = '\"';
 823             *p = 0;
 824         }
 825         else
 826         {
 827             strcpyW( p, exe );
 828             p += len_exe;
 829         }
 830         if (arg)
 831         {
 832             *p++ = ' ';
 833             memcpy( p, arg, len_arg * sizeof(WCHAR) );
 834             p[len_arg] = 0;
 835         }
 836     }
 837     memset( &si, 0, sizeof(STARTUPINFOW) );
 838     ret = CreateProcessW( exe, exe ? cmd : arg, NULL, NULL, FALSE, 0, NULL, dir, &si, &info );
 839     msi_free( cmd );
 840     msi_free( exe );
 841     if (!ret)
 842     {
 843         ERR("unable to execute command %u\n", GetLastError());
 844         return INVALID_HANDLE_VALUE;
 845     }
 846     CloseHandle( info.hThread );
 847     return info.hProcess;
 848 }
 849
 850 static UINT HANDLE_CustomType2( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
 851                                 INT type, const WCHAR *action )
 852 {
 853     MSIBINARY *binary;
 854     HANDLE handle;
 855     WCHAR *arg;
 856
 857     if (!(binary = get_temp_binary(package, source)))
 858         return ERROR_FUNCTION_FAILED;
 859
 860     deformat_string( package, target, &arg );
 861     TRACE("exe %s arg %s\n", debugstr_w(binary->tmpfile), debugstr_w(arg));
 862
 863     handle = execute_command( binary->tmpfile, arg, szCRoot );
 864     msi_free( arg );
 865     if (handle == INVALID_HANDLE_VALUE) return ERROR_SUCCESS;
 866     return wait_process_handle( package, type, handle, action );
 867 }
 868
 869 static UINT HANDLE_CustomType17( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
 870                                  INT type, const WCHAR *action )
 871 {
 872     msi_custom_action_info *info;
 873     MSIFILE *file;
 874
 875     TRACE("%s %s\n", debugstr_w(source), debugstr_w(target));
 876
 877     file = msi_get_loaded_file( package, source );
 878     if (!file)
 879     {
 880         ERR("invalid file key %s\n", debugstr_w( source ));
 881         return ERROR_FUNCTION_FAILED;
 882     }
 883
 884     info = do_msidbCustomActionTypeDll( package, type, file->TargetPath, target, action );
 885     return wait_thread_handle( info );
 886 }
 887
 888 static UINT HANDLE_CustomType18( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
 889                                  INT type, const WCHAR *action )
 890 {
 891     MSIFILE *file;
 892     HANDLE handle;
 893     WCHAR *arg;
 894
 895     if (!(file = msi_get_loaded_file( package, source ))) return ERROR_FUNCTION_FAILED;
 896
 897     deformat_string( package, target, &arg );
 898     TRACE("exe %s arg %s\n", debugstr_w(file->TargetPath), debugstr_w(arg));
 899
 900     handle = execute_command( file->TargetPath, arg, szCRoot );
 901     msi_free( arg );
 902     if (handle == INVALID_HANDLE_VALUE) return ERROR_SUCCESS;
 903     return wait_process_handle( package, type, handle, action );
 904 }
 905
 906 static UINT HANDLE_CustomType19( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
 907                                  INT type, const WCHAR *action )
 908 {
 909     static const WCHAR query[] = {
 910       'S','E','L','E','C','T',' ','`','M','e','s','s','a','g','e','`',' ',
 911       'F','R','O','M',' ','`','E','r','r','o','r','`',' ',
 912       'W','H','E','R','E',' ','`','E','r','r','o','r','`',' ','=',' ',
 913       '%','s',0
 914     };
 915     MSIRECORD *row = 0;
 916     LPWSTR deformated = NULL;
 917
 918     deformat_string( package, target, &deformated );
 919
 920     /* first try treat the error as a number */
 921     row = MSI_QueryGetRecord( package->db, query, deformated );
 922     if( row )
 923     {
 924         LPCWSTR error = MSI_RecordGetString( row, 1 );
 925         if ((package->ui_level & INSTALLUILEVEL_MASK) != INSTALLUILEVEL_NONE)
 926             MessageBoxW( NULL, error, NULL, MB_OK );
 927         msiobj_release( &row->hdr );
 928     }
 929     else if ((package->ui_level & INSTALLUILEVEL_MASK) != INSTALLUILEVEL_NONE)
 930         MessageBoxW( NULL, deformated, NULL, MB_OK );
 931
 932     msi_free( deformated );
 933
 934     return ERROR_INSTALL_FAILURE;
 935 }
 936
 937 static UINT HANDLE_CustomType23( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
 938                                  INT type, const WCHAR *action )
 939 {
 940     static const WCHAR msiexecW[] = {'m','s','i','e','x','e','c',0};
 941     static const WCHAR paramsW[] = {'/','q','b',' ','/','i',' '};
 942     WCHAR *dir, *arg, *p;
 943     UINT len_src, len_dir, len_tgt, len = sizeof(paramsW)/sizeof(paramsW[0]);
 944     HANDLE handle;
 945
 946     if (!(dir = msi_dup_property( package->db, szOriginalDatabase ))) return ERROR_OUTOFMEMORY;
 947     if (!(p = strrchrW( dir, '\\' )) && !(p = strrchrW( dir, '/' )))
 948     {
 949         msi_free( dir );
 950         return ERROR_FUNCTION_FAILED;
 951     }
 952     *p = 0;
 953     len_dir = p - dir;
 954     len_src = strlenW( source );
 955     len_tgt = strlenW( target );
 956     if (!(arg = msi_alloc( (len + len_dir + len_src + len_tgt + 5) * sizeof(WCHAR) )))
 957     {
 958         msi_free( dir );
 959         return ERROR_OUTOFMEMORY;
 960     }
 961     memcpy( arg, paramsW, sizeof(paramsW) );
 962     arg[len++] = '"';
 963     memcpy( arg + len, dir, len_dir * sizeof(WCHAR) );
 964     len += len_dir;
 965     arg[len++] = '\\';
 966     memcpy( arg + len, source, len_src * sizeof(WCHAR) );
 967     len += len_src;
 968     arg[len++] = '"';
 969     arg[len++] = ' ';
 970     strcpyW( arg + len, target );
 971
 972     TRACE("installing %s concurrently\n", debugstr_w(source));
 973
 974     handle = execute_command( msiexecW, arg, dir );
 975     msi_free( dir );
 976     msi_free( arg );
 977     if (handle == INVALID_HANDLE_VALUE) return ERROR_SUCCESS;
 978     return wait_process_handle( package, type, handle, action );
 979 }
 980
 981 static UINT HANDLE_CustomType50( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
 982                                  INT type, const WCHAR *action )
 983 {
 984     WCHAR *exe, *arg;
 985     HANDLE handle;
 986
 987     if (!(exe = msi_dup_property( package->db, source ))) return ERROR_SUCCESS;
 988
 989     deformat_string( package, target, &arg );
 990     TRACE("exe %s arg %s\n", debugstr_w(exe), debugstr_w(arg));
 991
 992     handle = execute_command( exe, arg, szCRoot );
 993     msi_free( exe );
 994     msi_free( arg );
 995     if (handle == INVALID_HANDLE_VALUE) return ERROR_SUCCESS;
 996     return wait_process_handle( package, type, handle, action );
 997 }
 998
 999 static UINT HANDLE_CustomType34( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
1000                                  INT type, const WCHAR *action )
1001 {
1002     const WCHAR *workingdir = NULL;
1003     HANDLE handle;
1004     WCHAR *cmd;
1005
1006     if (source)
1007     {
1008         workingdir = msi_get_target_folder( package, source );
1009         if (!workingdir) return ERROR_FUNCTION_FAILED;
1010     }
1011     deformat_string( package, target, &cmd );
1012     if (!cmd) return ERROR_FUNCTION_FAILED;
1013
1014     TRACE("cmd %s dir %s\n", debugstr_w(cmd), debugstr_w(workingdir));
1015
1016     handle = execute_command( NULL, cmd, workingdir );
1017     msi_free( cmd );
1018     if (handle == INVALID_HANDLE_VALUE) return ERROR_SUCCESS;
1019     return wait_process_handle( package, type, handle, action );
1020 }
1021
1022 static DWORD ACTION_CallScript( const GUID *guid )
1023 {
1024     msi_custom_action_info *info;
1025     MSIHANDLE hPackage;
1026     UINT r = ERROR_FUNCTION_FAILED;
1027
1028     info = find_action_by_guid( guid );
1029     if (!info)
1030     {
1031         ERR("failed to find action %s\n", debugstr_guid( guid) );
1032         return ERROR_FUNCTION_FAILED;
1033     }
1034
1035     TRACE("function %s, script %s\n", debugstr_w( info->target ), debugstr_w( info->source ) );
1036
1037     hPackage = alloc_msihandle( &info->package->hdr );
1038     if (hPackage)
1039     {
1040         r = call_script( hPackage, info->type, info->source, info->target, info->action );
1041         TRACE("script returned %u\n", r);
1042         MsiCloseHandle( hPackage );
1043     }
1044     else
1045         ERR("failed to create handle for %p\n", info->package );
1046
1047     return r;
1048 }
1049
1050 static DWORD WINAPI ScriptThread( LPVOID arg )
1051 {
1052     LPGUID guid = arg;
1053     DWORD rc;
1054
1055     TRACE("custom action (%x) started\n", GetCurrentThreadId() );
1056
1057     rc = ACTION_CallScript( guid );
1058
1059     TRACE("custom action (%x) returned %i\n", GetCurrentThreadId(), rc );
1060
1061     MsiCloseAllHandles();
1062     return rc;
1063 }
1064
1065 static msi_custom_action_info *do_msidbCustomActionTypeScript(
1066     MSIPACKAGE *package, INT type, LPCWSTR script, LPCWSTR function, LPCWSTR action )
1067 {
1068     msi_custom_action_info *info;
1069
1070     info = msi_alloc( sizeof *info );
1071     if (!info)
1072         return NULL;
1073
1074     msiobj_addref( &package->hdr );
1075     info->package = package;
1076     info->type = type;
1077     info->target = strdupW( function );
1078     info->source = strdupW( script );
1079     info->action = strdupW( action );
1080     CoCreateGuid( &info->guid );
1081
1082     EnterCriticalSection( &msi_custom_action_cs );
1083     list_add_tail( &msi_pending_custom_actions, &info->entry );
1084     LeaveCriticalSection( &msi_custom_action_cs );
1085
1086     info->handle = CreateThread( NULL, 0, ScriptThread, &info->guid, 0, NULL );
1087     if (!info->handle)
1088     {
1089         free_custom_action_data( info );
1090         return NULL;
1091     }
1092
1093     return info;
1094 }
1095
1096 static UINT HANDLE_CustomType37_38( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
1097                                     INT type, const WCHAR *action )
1098 {
1099     msi_custom_action_info *info;
1100
1101     TRACE("%s %s\n", debugstr_w(source), debugstr_w(target));
1102
1103     info = do_msidbCustomActionTypeScript( package, type, target, NULL, action );
1104     return wait_thread_handle( info );
1105 }
1106
1107 static UINT HANDLE_CustomType5_6( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
1108                                   INT type, const WCHAR *action )
1109 {
1110     static const WCHAR query[] = {
1111         'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
1112         '`','B','i' ,'n','a','r','y','`',' ','W','H','E','R','E',' ',
1113         '`','N','a','m','e','`',' ','=',' ','\'','%','s','\'',0};
1114     MSIRECORD *row = NULL;
1115     msi_custom_action_info *info;
1116     CHAR *buffer = NULL;
1117     WCHAR *bufferw = NULL;
1118     DWORD sz = 0;
1119     UINT r;
1120
1121     TRACE("%s %s\n", debugstr_w(source), debugstr_w(target));
1122
1123     row = MSI_QueryGetRecord(package->db, query, source);
1124     if (!row)
1125         return ERROR_FUNCTION_FAILED;
1126
1127     r = MSI_RecordReadStream(row, 2, NULL, &sz);
1128     if (r != ERROR_SUCCESS) goto done;
1129
1130     buffer = msi_alloc( sz + 1 );
1131     if (!buffer)
1132     {
1133        r = ERROR_FUNCTION_FAILED;
1134        goto done;
1135     }
1136
1137     r = MSI_RecordReadStream(row, 2, buffer, &sz);
1138     if (r != ERROR_SUCCESS)
1139         goto done;
1140
1141     buffer[sz] = 0;
1142     bufferw = strdupAtoW(buffer);
1143     if (!bufferw)
1144     {
1145         r = ERROR_FUNCTION_FAILED;
1146         goto done;
1147     }
1148
1149     info = do_msidbCustomActionTypeScript( package, type, bufferw, target, action );
1150     r = wait_thread_handle( info );
1151
1152 done:
1153     msi_free(bufferw);
1154     msi_free(buffer);
1155     msiobj_release(&row->hdr);
1156     return r;
1157 }
1158
1159 static UINT HANDLE_CustomType21_22( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
1160                                     INT type, const WCHAR *action )
1161 {
1162     msi_custom_action_info *info;
1163     MSIFILE *file;
1164     HANDLE hFile;
1165     DWORD sz, szHighWord = 0, read;
1166     CHAR *buffer=NULL;
1167     WCHAR *bufferw=NULL;
1168     BOOL bRet;
1169     UINT r;
1170
1171     TRACE("%s %s\n", debugstr_w(source), debugstr_w(target));
1172
1173     file = msi_get_loaded_file(package, source);
1174     if (!file)
1175     {
1176         ERR("invalid file key %s\n", debugstr_w(source));
1177         return ERROR_FUNCTION_FAILED;
1178     }
1179
1180     hFile = CreateFileW(file->TargetPath, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
1181     if (hFile == INVALID_HANDLE_VALUE) return ERROR_FUNCTION_FAILED;
1182
1183     sz = GetFileSize(hFile, &szHighWord);
1184     if (sz == INVALID_FILE_SIZE || szHighWord != 0)
1185     {
1186         CloseHandle(hFile);
1187         return ERROR_FUNCTION_FAILED;
1188     }
1189     buffer = msi_alloc( sz + 1 );
1190     if (!buffer)
1191     {
1192         CloseHandle(hFile);
1193         return ERROR_FUNCTION_FAILED;
1194     }
1195     bRet = ReadFile(hFile, buffer, sz, &read, NULL);
1196     CloseHandle(hFile);
1197     if (!bRet)
1198     {
1199         r = ERROR_FUNCTION_FAILED;
1200         goto done;
1201     }
1202     buffer[read] = 0;
1203     bufferw = strdupAtoW(buffer);
1204     if (!bufferw)
1205     {
1206         r = ERROR_FUNCTION_FAILED;
1207         goto done;
1208     }
1209     info = do_msidbCustomActionTypeScript( package, type, bufferw, target, action );
1210     r = wait_thread_handle( info );
1211
1212 done:
1213     msi_free(bufferw);
1214     msi_free(buffer);
1215     return r;
1216 }
1217
1218 static UINT HANDLE_CustomType53_54( MSIPACKAGE *package, const WCHAR *source, const WCHAR *target,
1219                                     INT type, const WCHAR *action )
1220 {
1221     msi_custom_action_info *info;
1222     WCHAR *prop;
1223
1224     TRACE("%s %s\n", debugstr_w(source), debugstr_w(target));
1225
1226     prop = msi_dup_property( package->db, source );
1227     if (!prop) return ERROR_SUCCESS;
1228
1229     info = do_msidbCustomActionTypeScript( package, type, prop, NULL, action );
1230     msi_free(prop);
1231     return wait_thread_handle( info );
1232 }
1233
1234 static BOOL action_type_matches_script( UINT type, UINT script )
1235 {
1236     switch (script)
1237     {
1238     case SCRIPT_NONE:
1239         return FALSE;
1240     case SCRIPT_INSTALL:
1241         return !(type & msidbCustomActionTypeCommit) && !(type & msidbCustomActionTypeRollback);
1242     case SCRIPT_COMMIT:
1243         return (type & msidbCustomActionTypeCommit);
1244     case SCRIPT_ROLLBACK:
1245         return (type & msidbCustomActionTypeRollback);
1246     default:
1247         ERR("unhandled script %u\n", script);
1248     }
1249     return FALSE;
1250 }
1251
1252 static UINT defer_custom_action( MSIPACKAGE *package, const WCHAR *action, UINT type )
1253 {
1254     WCHAR *actiondata = msi_dup_property( package->db, action );
1255     WCHAR *usersid = msi_dup_property( package->db, szUserSID );
1256     WCHAR *prodcode = msi_dup_property( package->db, szProductCode );
1257     WCHAR *deferred = msi_get_deferred_action( action, actiondata, usersid, prodcode );
1258
1259     if (!deferred)
1260     {
1261         msi_free( actiondata );
1262         msi_free( usersid );
1263         msi_free( prodcode );
1264         return ERROR_OUTOFMEMORY;
1265     }
1266     if (type & msidbCustomActionTypeCommit)
1267     {
1268         TRACE("deferring commit action\n");
1269         msi_schedule_action( package, SCRIPT_COMMIT, deferred );
1270     }
1271     else if (type & msidbCustomActionTypeRollback)
1272     {
1273         TRACE("deferring rollback action\n");
1274         msi_schedule_action( package, SCRIPT_ROLLBACK, deferred );
1275     }
1276     else
1277     {
1278         TRACE("deferring install action\n");
1279         msi_schedule_action( package, SCRIPT_INSTALL, deferred );
1280     }
1281
1282     msi_free( actiondata );
1283     msi_free( usersid );
1284     msi_free( prodcode );
1285     msi_free( deferred );
1286     return ERROR_SUCCESS;
1287 }
1288
1289 UINT ACTION_CustomAction(MSIPACKAGE *package, const WCHAR *action)
1290 {
1291     static const WCHAR query[] = {
1292         'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
1293         '`','C','u','s','t','o','m','A','c','t','i','o','n','`',' ','W','H','E','R','E',' ',
1294         '`','A','c','t','i' ,'o','n','`',' ','=',' ','\'','%','s','\'',0};
1295     UINT rc = ERROR_SUCCESS;
1296     MSIRECORD *row;
1297     UINT type;
1298     const WCHAR *source, *target, *ptr, *deferred_data = NULL;
1299     WCHAR *deformated = NULL;
1300     int len;
1301
1302     /* deferred action: [properties]Action */
1303     if ((ptr = strrchrW(action, ']')))
1304     {
1305         deferred_data = action;
1306         action = ptr + 1;
1307     }
1308
1309     row = MSI_QueryGetRecord( package->db, query, action );
1310     if (!row)
1311         return ERROR_FUNCTION_NOT_CALLED;
1312
1313     type = MSI_RecordGetInteger(row,2);
1314     source = MSI_RecordGetString(row,3);
1315     target = MSI_RecordGetString(row,4);
1316
1317     TRACE("Handling custom action %s (%x %s %s)\n",debugstr_w(action),type,
1318           debugstr_w(source), debugstr_w(target));
1319
1320     /* handle some of the deferred actions */
1321     if (type & msidbCustomActionTypeTSAware)
1322         FIXME("msidbCustomActionTypeTSAware not handled\n");
1323
1324     if (type & msidbCustomActionTypeInScript)
1325     {
1326         if (type & msidbCustomActionTypeNoImpersonate)
1327             WARN("msidbCustomActionTypeNoImpersonate not handled\n");
1328
1329         if (!action_type_matches_script(type, package->script))
1330         {
1331             rc = defer_custom_action( package, action, type );
1332             goto end;
1333         }
1334         else
1335         {
1336             LPWSTR actiondata = msi_dup_property( package->db, action );
1337
1338             if (type & msidbCustomActionTypeInScript)
1339                 package->scheduled_action_running = TRUE;
1340
1341             if (type & msidbCustomActionTypeCommit)
1342                 package->commit_action_running = TRUE;
1343
1344             if (type & msidbCustomActionTypeRollback)
1345                 package->rollback_action_running = TRUE;
1346
1347             if (deferred_data)
1348                 set_deferred_action_props(package, deferred_data);
1349             else if (actiondata)
1350                 msi_set_property( package->db, szCustomActionData, actiondata, -1 );
1351             else
1352                 msi_set_property( package->db, szCustomActionData, szEmpty, -1 );
1353
1354             msi_free(actiondata);
1355         }
1356     }
1357     else if (!check_execution_scheduling_options(package,action,type))
1358     {
1359         rc = ERROR_SUCCESS;
1360         goto end;
1361     }
1362
1363     switch (type & CUSTOM_ACTION_TYPE_MASK)
1364     {
1365         case 1: /* DLL file stored in a Binary table stream */
1366             rc = HANDLE_CustomType1(package,source,target,type,action);
1367             break;
1368         case 2: /* EXE file stored in a Binary table stream */
1369             rc = HANDLE_CustomType2(package,source,target,type,action);
1370             break;
1371         case 18: /*EXE file installed with package */
1372             rc = HANDLE_CustomType18(package,source,target,type,action);
1373             break;
1374         case 19: /* Error that halts install */
1375             rc = HANDLE_CustomType19(package,source,target,type,action);
1376             break;
1377         case 17:
1378             rc = HANDLE_CustomType17(package,source,target,type,action);
1379             break;
1380         case 23: /* installs another package in the source tree */
1381             deformat_string(package,target,&deformated);
1382             rc = HANDLE_CustomType23(package,source,deformated,type,action);
1383             msi_free(deformated);
1384             break;
1385         case 50: /*EXE file specified by a property value */
1386             rc = HANDLE_CustomType50(package,source,target,type,action);
1387             break;
1388         case 34: /*EXE to be run in specified directory */
1389             rc = HANDLE_CustomType34(package,source,target,type,action);
1390             break;
1391         case 35: /* Directory set with formatted text. */
1392             deformat_string(package,target,&deformated);
1393             MSI_SetTargetPathW(package, source, deformated);
1394             msi_free(deformated);
1395             break;
1396         case 51: /* Property set with formatted text. */
1397             if (!source)
1398                 break;
1399
1400             len = deformat_string( package, target, &deformated );
1401             rc = msi_set_property( package->db, source, deformated, len );
1402             if (rc == ERROR_SUCCESS && !strcmpW( source, szSourceDir ))
1403                 msi_reset_folders( package, TRUE );
1404             msi_free(deformated);
1405             break;
1406     case 37: /* JScript/VBScript text stored in target column. */
1407     case 38:
1408         rc = HANDLE_CustomType37_38(package,source,target,type,action);
1409         break;
1410     case 5:
1411     case 6: /* JScript/VBScript file stored in a Binary table stream. */
1412         rc = HANDLE_CustomType5_6(package,source,target,type,action);
1413         break;
1414     case 21: /* JScript/VBScript file installed with the product. */
1415     case 22:
1416         rc = HANDLE_CustomType21_22(package,source,target,type,action);
1417         break;
1418     case 53: /* JScript/VBScript text specified by a property value. */
1419     case 54:
1420         rc = HANDLE_CustomType53_54(package,source,target,type,action);
1421         break;
1422     default:
1423         FIXME("unhandled action type %u (%s %s)\n", type & CUSTOM_ACTION_TYPE_MASK,
1424               debugstr_w(source), debugstr_w(target));
1425     }
1426
1427 end:
1428     package->scheduled_action_running = FALSE;
1429     package->commit_action_running = FALSE;
1430     package->rollback_action_running = FALSE;
1431     msiobj_release(&row->hdr);
1432     return rc;
1433 }
1434
1435 void ACTION_FinishCustomActions(const MSIPACKAGE* package)
1436 {
1437     struct list *item;
1438     HANDLE *wait_handles;
1439     unsigned int handle_count, i;
1440     msi_custom_action_info *info, *cursor;
1441
1442     while ((item = list_head( &package->RunningActions )))
1443     {
1444         MSIRUNNINGACTION *action = LIST_ENTRY( item, MSIRUNNINGACTION, entry );
1445
1446         list_remove( &action->entry );
1447
1448         TRACE("waiting for %s\n", debugstr_w( action->name ) );
1449         msi_dialog_check_messages( action->handle );
1450
1451         CloseHandle( action->handle );
1452         msi_free( action->name );
1453         msi_free( action );
1454     }
1455
1456     EnterCriticalSection( &msi_custom_action_cs );
1457
1458     handle_count = list_count( &msi_pending_custom_actions );
1459     wait_handles = msi_alloc( handle_count * sizeof(HANDLE) );
1460
1461     handle_count = 0;
1462     LIST_FOR_EACH_ENTRY_SAFE( info, cursor, &msi_pending_custom_actions, msi_custom_action_info, entry )
1463     {
1464         if (info->package == package )
1465         {
1466             if (DuplicateHandle(GetCurrentProcess(), info->handle, GetCurrentProcess(), &wait_handles[handle_count], SYNCHRONIZE, FALSE, 0))
1467                 handle_count++;
1468         }
1469     }
1470
1471     LeaveCriticalSection( &msi_custom_action_cs );
1472
1473     for (i = 0; i < handle_count; i++)
1474     {
1475         msi_dialog_check_messages( wait_handles[i] );
1476         CloseHandle( wait_handles[i] );
1477     }
1478     msi_free( wait_handles );
1479
1480     EnterCriticalSection( &msi_custom_action_cs );
1481     LIST_FOR_EACH_ENTRY_SAFE( info, cursor, &msi_pending_custom_actions, msi_custom_action_info, entry )
1482     {
1483         if (info->package == package)
1484             free_custom_action_data( info );
1485     }
1486     LeaveCriticalSection( &msi_custom_action_cs );
1487 }
1488
1489 UINT __cdecl s_remote_GetActionInfo(const GUID *guid, int *type, LPWSTR *dll, LPSTR *func, MSIHANDLE *hinst)
1490 {
1491     msi_custom_action_info *info;
1492
1493     info = find_action_by_guid(guid);
1494     if (!info)
1495         return ERROR_INVALID_DATA;
1496
1497     *type = info->type;
1498     *hinst = alloc_msihandle(&info->package->hdr);
1499     *dll = strdupW(info->source);
1500     *func = strdupWtoA(info->target);
1501
1502     return ERROR_SUCCESS;
1503 }