reactos/dll/win32/msi/files.c

   1 /*
   2  * Implementation of 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
  22 /*
  23  * Actions dealing with files These are
  24  *
  25  * InstallFiles
  26  * DuplicateFiles
  27  * MoveFiles (TODO)
  28  * PatchFiles (TODO)
  29  * RemoveDuplicateFiles(TODO)
  30  * RemoveFiles(TODO)
  31  */
  32
  33 #include <stdarg.h>
  34
  35 #include "windef.h"
  36 #include "winbase.h"
  37 #include "winerror.h"
  38 #include "wine/debug.h"
  39 #include "fdi.h"
  40 #include "msi.h"
  41 #include "msidefs.h"
  42 #include "msvcrt/fcntl.h"
  43 #include "msipriv.h"
  44 #include "winuser.h"
  45 #include "winreg.h"
  46 #include "shlwapi.h"
  47 #include "wine/unicode.h"
  48
  49 WINE_DEFAULT_DEBUG_CHANNEL(msi);
  50
  51 extern const WCHAR szInstallFiles[];
  52 extern const WCHAR szDuplicateFiles[];
  53 extern const WCHAR szMoveFiles[];
  54 extern const WCHAR szPatchFiles[];
  55 extern const WCHAR szRemoveDuplicateFiles[];
  56 extern const WCHAR szRemoveFiles[];
  57
  58 static const WCHAR cszTempFolder[]= {'T','e','m','p','F','o','l','d','e','r',0};
  59
  60 struct media_info {
  61     UINT disk_id;
  62     UINT last_sequence;
  63     LPWSTR disk_prompt;
  64     LPWSTR cabinet;
  65     LPWSTR first_volume;
  66     LPWSTR volume_label;
  67     BOOL is_continuous;
  68     BOOL is_extracted;
  69     WCHAR source[MAX_PATH];
  70 };
  71
  72 static BOOL source_matches_volume(struct media_info *mi, LPWSTR source_root)
  73 {
  74     WCHAR volume_name[MAX_PATH + 1];
  75
  76     if (!GetVolumeInformationW(source_root, volume_name, MAX_PATH + 1,
  77                                NULL, NULL, NULL, NULL, 0))
  78     {
  79         ERR("Failed to get volume information\n");
  80         return FALSE;
  81     }
  82
  83     return !lstrcmpW(mi->volume_label, volume_name);
  84 }
  85
  86 static UINT msi_change_media( MSIPACKAGE *package, struct media_info *mi )
  87 {
  88     LPSTR msg;
  89     LPWSTR error, error_dialog;
  90     LPWSTR source_dir;
  91     UINT r = ERROR_SUCCESS;
  92
  93     static const WCHAR szUILevel[] = {'U','I','L','e','v','e','l',0};
  94     static const WCHAR error_prop[] = {'E','r','r','o','r','D','i','a','l','o','g',0};
  95
  96     if ( (msi_get_property_int(package, szUILevel, 0) & INSTALLUILEVEL_MASK) == INSTALLUILEVEL_NONE && !gUIHandlerA )
  97         return ERROR_SUCCESS;
  98
  99     error = generate_error_string( package, 1302, 1, mi->disk_prompt );
 100     error_dialog = msi_dup_property( package, error_prop );
 101     source_dir = msi_dup_property( package, cszSourceDir );
 102     PathStripToRootW(source_dir);
 103
 104     while ( r == ERROR_SUCCESS &&
 105             !source_matches_volume(mi, source_dir) )
 106     {
 107         r = msi_spawn_error_dialog( package, error_dialog, error );
 108
 109         if (gUIHandlerA)
 110         {
 111             msg = strdupWtoA( error );
 112             gUIHandlerA( gUIContext, MB_RETRYCANCEL | INSTALLMESSAGE_ERROR, msg );
 113             msi_free(msg);
 114         }
 115     }
 116
 117     msi_free( error );
 118     msi_free( error_dialog );
 119     msi_free( source_dir );
 120
 121     return r;
 122 }
 123
 124 /*
 125  * This is a helper function for handling embedded cabinet media
 126  */
 127 static UINT writeout_cabinet_stream(MSIPACKAGE *package, LPCWSTR stream_name,
 128                                     WCHAR* source)
 129 {
 130     UINT rc;
 131     USHORT* data;
 132     UINT    size;
 133     DWORD   write;
 134     HANDLE  the_file;
 135     WCHAR tmp[MAX_PATH];
 136
 137     rc = read_raw_stream_data(package->db,stream_name,&data,&size);
 138     if (rc != ERROR_SUCCESS)
 139         return rc;
 140
 141     write = MAX_PATH;
 142     if (MSI_GetPropertyW(package, cszTempFolder, tmp, &write))
 143         GetTempPathW(MAX_PATH,tmp);
 144
 145     GetTempFileNameW(tmp,stream_name,0,source);
 146
 147     track_tempfile(package, source);
 148     the_file = CreateFileW(source, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS,
 149                            FILE_ATTRIBUTE_NORMAL, NULL);
 150
 151     if (the_file == INVALID_HANDLE_VALUE)
 152     {
 153         ERR("Unable to create file %s\n",debugstr_w(source));
 154         rc = ERROR_FUNCTION_FAILED;
 155         goto end;
 156     }
 157
 158     WriteFile(the_file,data,size,&write,NULL);
 159     CloseHandle(the_file);
 160     TRACE("wrote %i bytes to %s\n",write,debugstr_w(source));
 161 end:
 162     msi_free(data);
 163     return rc;
 164 }
 165
 166
 167 /* Support functions for FDI functions */
 168 typedef struct
 169 {
 170     MSIPACKAGE* package;
 171     struct media_info *mi;
 172 } CabData;
 173
 174 static void * cabinet_alloc(ULONG cb)
 175 {
 176     return msi_alloc(cb);
 177 }
 178
 179 static void cabinet_free(void *pv)
 180 {
 181     msi_free(pv);
 182 }
 183
 184 static INT_PTR cabinet_open(char *pszFile, int oflag, int pmode)
 185 {
 186     HANDLE handle;
 187     DWORD dwAccess = 0;
 188     DWORD dwShareMode = 0;
 189     DWORD dwCreateDisposition = OPEN_EXISTING;
 190     switch (oflag & _O_ACCMODE)
 191     {
 192     case _O_RDONLY:
 193         dwAccess = GENERIC_READ;
 194         dwShareMode = FILE_SHARE_READ | FILE_SHARE_DELETE;
 195         break;
 196     case _O_WRONLY:
 197         dwAccess = GENERIC_WRITE;
 198         dwShareMode = FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE;
 199         break;
 200     case _O_RDWR:
 201         dwAccess = GENERIC_READ | GENERIC_WRITE;
 202         dwShareMode = FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE;
 203         break;
 204     }
 205     if ((oflag & (_O_CREAT | _O_EXCL)) == (_O_CREAT | _O_EXCL))
 206         dwCreateDisposition = CREATE_NEW;
 207     else if (oflag & _O_CREAT)
 208         dwCreateDisposition = CREATE_ALWAYS;
 209     handle = CreateFileA( pszFile, dwAccess, dwShareMode, NULL,
 210                           dwCreateDisposition, 0, NULL );
 211     if (handle == INVALID_HANDLE_VALUE)
 212         return 0;
 213     return (INT_PTR) handle;
 214 }
 215
 216 static UINT cabinet_read(INT_PTR hf, void *pv, UINT cb)
 217 {
 218     HANDLE handle = (HANDLE) hf;
 219     DWORD dwRead;
 220     if (ReadFile(handle, pv, cb, &dwRead, NULL))
 221         return dwRead;
 222     return 0;
 223 }
 224
 225 static UINT cabinet_write(INT_PTR hf, void *pv, UINT cb)
 226 {
 227     HANDLE handle = (HANDLE) hf;
 228     DWORD dwWritten;
 229     if (WriteFile(handle, pv, cb, &dwWritten, NULL))
 230         return dwWritten;
 231     return 0;
 232 }
 233
 234 static int cabinet_close(INT_PTR hf)
 235 {
 236     HANDLE handle = (HANDLE) hf;
 237     return CloseHandle(handle) ? 0 : -1;
 238 }
 239
 240 static long cabinet_seek(INT_PTR hf, long dist, int seektype)
 241 {
 242     HANDLE handle = (HANDLE) hf;
 243     /* flags are compatible and so are passed straight through */
 244     return SetFilePointer(handle, dist, NULL, seektype);
 245 }
 246
 247 static void msi_file_update_ui( MSIPACKAGE *package, MSIFILE *f, const WCHAR *action )
 248 {
 249     MSIRECORD *uirow;
 250     LPWSTR uipath, p;
 251
 252     /* the UI chunk */
 253     uirow = MSI_CreateRecord( 9 );
 254     MSI_RecordSetStringW( uirow, 1, f->FileName );
 255     uipath = strdupW( f->TargetPath );
 256     p = strrchrW(uipath,'\\');
 257     if (p)
 258         p[1]=0;
 259     MSI_RecordSetStringW( uirow, 9, uipath);
 260     MSI_RecordSetInteger( uirow, 6, f->FileSize );
 261     ui_actiondata( package, action, uirow);
 262     msiobj_release( &uirow->hdr );
 263     msi_free( uipath );
 264     ui_progress( package, 2, f->FileSize, 0, 0);
 265 }
 266
 267 static UINT msi_media_get_disk_info( MSIPACKAGE *package, struct media_info *mi )
 268 {
 269     MSIRECORD *row;
 270     LPWSTR ptr;
 271
 272     static const WCHAR query[] =
 273         {'S','E','L','E','C','T',' ','*',' ', 'F','R','O','M',' ',
 274          '`','M','e','d','i','a','`',' ','W','H','E','R','E',' ',
 275          '`','D','i','s','k','I','d','`',' ','=',' ','%','i',0};
 276
 277     row = MSI_QueryGetRecord(package->db, query, mi->disk_id);
 278     if (!row)
 279     {
 280         TRACE("Unable to query row\n");
 281         return ERROR_FUNCTION_FAILED;
 282     }
 283
 284     mi->disk_prompt = strdupW(MSI_RecordGetString(row, 3));
 285     mi->cabinet = strdupW(MSI_RecordGetString(row, 4));
 286     mi->volume_label = strdupW(MSI_RecordGetString(row, 5));
 287
 288     if (!mi->first_volume)
 289         mi->first_volume = strdupW(mi->volume_label);
 290
 291     ptr = strrchrW(mi->source, '\\') + 1;
 292     lstrcpyW(ptr, mi->cabinet);
 293     msiobj_release(&row->hdr);
 294
 295     return ERROR_SUCCESS;
 296 }
 297
 298 static INT_PTR cabinet_notify(FDINOTIFICATIONTYPE fdint, PFDINOTIFICATION pfdin)
 299 {
 300     TRACE("(%d)\n", fdint);
 301
 302     switch (fdint)
 303     {
 304     case fdintPARTIAL_FILE:
 305     {
 306         CabData *data = (CabData *)pfdin->pv;
 307         data->mi->is_continuous = FALSE;
 308         return 0;
 309     }
 310     case fdintNEXT_CABINET:
 311     {
 312         CabData *data = (CabData *)pfdin->pv;
 313         struct media_info *mi = data->mi;
 314         LPWSTR cab = strdupAtoW(pfdin->psz1);
 315         UINT rc;
 316
 317         msi_free(mi->disk_prompt);
 318         msi_free(mi->cabinet);
 319         msi_free(mi->volume_label);
 320         mi->disk_prompt = NULL;
 321         mi->cabinet = NULL;
 322         mi->volume_label = NULL;
 323
 324         mi->disk_id++;
 325         mi->is_continuous = TRUE;
 326
 327         rc = msi_media_get_disk_info(data->package, mi);
 328         if (rc != ERROR_SUCCESS)
 329         {
 330             msi_free(cab);
 331             ERR("Failed to get next cabinet information: %d\n", rc);
 332             return -1;
 333         }
 334
 335         if (lstrcmpiW(mi->cabinet, cab))
 336         {
 337             msi_free(cab);
 338             ERR("Continuous cabinet does not match the next cabinet in the Media table\n");
 339             return -1;
 340         }
 341
 342         msi_free(cab);
 343
 344         TRACE("Searching for %s\n", debugstr_w(mi->source));
 345
 346         if (GetFileAttributesW(mi->source) == INVALID_FILE_ATTRIBUTES)
 347             rc = msi_change_media(data->package, mi);
 348
 349         if (rc != ERROR_SUCCESS)
 350             return -1;
 351
 352         return 0;
 353     }
 354     case fdintCOPY_FILE:
 355     {
 356         CabData *data = (CabData*) pfdin->pv;
 357         HANDLE handle;
 358         LPWSTR file;
 359         MSIFILE *f;
 360         DWORD attrs;
 361
 362         file = strdupAtoW(pfdin->psz1);
 363         f = get_loaded_file(data->package, file);
 364         msi_free(file);
 365
 366         if (!f)
 367         {
 368             WARN("unknown file in cabinet (%s)\n",debugstr_a(pfdin->psz1));
 369             return 0;
 370         }
 371
 372         if (f->state != msifs_missing && f->state != msifs_overwrite)
 373         {
 374             TRACE("Skipping extraction of %s\n",debugstr_a(pfdin->psz1));
 375             return 0;
 376         }
 377
 378         msi_file_update_ui( data->package, f, szInstallFiles );
 379
 380         TRACE("extracting %s\n", debugstr_w(f->TargetPath) );
 381
 382         attrs = f->Attributes & (FILE_ATTRIBUTE_READONLY|FILE_ATTRIBUTE_HIDDEN|FILE_ATTRIBUTE_SYSTEM);
 383         if (!attrs) attrs = FILE_ATTRIBUTE_NORMAL;
 384
 385         handle = CreateFileW( f->TargetPath, GENERIC_READ | GENERIC_WRITE, 0,
 386                               NULL, CREATE_ALWAYS, attrs, NULL );
 387         if ( handle == INVALID_HANDLE_VALUE )
 388         {
 389             if ( GetFileAttributesW( f->TargetPath ) != INVALID_FILE_ATTRIBUTES )
 390                 f->state = msifs_installed;
 391             else
 392                 ERR("failed to create %s (error %d)\n",
 393                     debugstr_w( f->TargetPath ), GetLastError() );
 394
 395             return 0;
 396         }
 397
 398         f->state = msifs_installed;
 399         return (INT_PTR) handle;
 400     }
 401     case fdintCLOSE_FILE_INFO:
 402     {
 403         FILETIME ft;
 404         FILETIME ftLocal;
 405         HANDLE handle = (HANDLE) pfdin->hf;
 406
 407         if (!DosDateTimeToFileTime(pfdin->date, pfdin->time, &ft))
 408             return -1;
 409         if (!LocalFileTimeToFileTime(&ft, &ftLocal))
 410             return -1;
 411         if (!SetFileTime(handle, &ftLocal, 0, &ftLocal))
 412             return -1;
 413         CloseHandle(handle);
 414         return 1;
 415     }
 416     default:
 417         return 0;
 418     }
 419 }
 420
 421 /***********************************************************************
 422  *            extract_cabinet_file
 423  *
 424  * Extract files from a cab file.
 425  */
 426 static BOOL extract_cabinet_file(MSIPACKAGE* package, struct media_info *mi)
 427 {
 428     LPSTR cabinet, cab_path = NULL;
 429     LPWSTR ptr;
 430     HFDI hfdi;
 431     ERF erf;
 432     BOOL ret = FALSE;
 433     CabData data;
 434
 435     TRACE("Extracting %s\n", debugstr_w(mi->source));
 436
 437     hfdi = FDICreate(cabinet_alloc, cabinet_free, cabinet_open, cabinet_read,
 438                      cabinet_write, cabinet_close, cabinet_seek, 0, &erf);
 439     if (!hfdi)
 440     {
 441         ERR("FDICreate failed\n");
 442         return FALSE;
 443     }
 444
 445     ptr = strrchrW(mi->source, '\\') + 1;
 446     cabinet = strdupWtoA(ptr);
 447     if (!cabinet)
 448         goto done;
 449
 450     cab_path = strdupWtoA(mi->source);
 451     if (!cab_path)
 452         goto done;
 453
 454     cab_path[ptr - mi->source] = '\0';
 455
 456     data.package = package;
 457     data.mi = mi;
 458
 459     ret = FDICopy(hfdi, cabinet, cab_path, 0, cabinet_notify, NULL, &data);
 460     if (!ret)
 461         ERR("FDICopy failed\n");
 462
 463 done:
 464     FDIDestroy(hfdi);
 465     msi_free(cabinet);
 466     msi_free(cab_path);
 467
 468     if (ret)
 469         mi->is_extracted = TRUE;
 470
 471     return ret;
 472 }
 473
 474 static VOID set_file_source(MSIPACKAGE* package, MSIFILE* file, LPCWSTR path)
 475 {
 476     if (!file->IsCompressed)
 477     {
 478         LPWSTR p, path;
 479         p = resolve_folder(package, file->Component->Directory, TRUE, FALSE, TRUE, NULL);
 480         path = build_directory_name(2, p, file->ShortName);
 481         if (file->LongName &&
 482             INVALID_FILE_ATTRIBUTES == GetFileAttributesW( path ))
 483         {
 484             msi_free(path);
 485             path = build_directory_name(2, p, file->LongName);
 486         }
 487         file->SourcePath = path;
 488         msi_free(p);
 489     }
 490     else
 491         file->SourcePath = build_directory_name(2, path, file->File);
 492 }
 493
 494 static void free_media_info( struct media_info *mi )
 495 {
 496     msi_free( mi->disk_prompt );
 497     msi_free( mi->cabinet );
 498     msi_free( mi->volume_label );
 499     msi_free( mi->first_volume );
 500     msi_free( mi );
 501 }
 502
 503 static UINT load_media_info(MSIPACKAGE *package, MSIFILE *file, struct media_info *mi)
 504 {
 505     MSIRECORD *row;
 506     LPWSTR source_dir;
 507     UINT r;
 508
 509     static const WCHAR query[] = {
 510         'S','E','L','E','C','T',' ','*',' ', 'F','R','O','M',' ',
 511         '`','M','e','d','i','a','`',' ','W','H','E','R','E',' ',
 512         '`','L','a','s','t','S','e','q','u','e','n','c','e','`',' ','>','=',
 513         ' ','%','i',' ','A','N','D',' ','`','D','i','s','k','I','d','`',' ','>','=',
 514         ' ','%','i',' ','O','R','D','E','R',' ','B','Y',' ',
 515         '`','D','i','s','k','I','d','`',0
 516     };
 517
 518     row = MSI_QueryGetRecord(package->db, query, file->Sequence, mi->disk_id);
 519     if (!row)
 520     {
 521         TRACE("Unable to query row\n");
 522         return ERROR_FUNCTION_FAILED;
 523     }
 524
 525     mi->is_extracted = FALSE;
 526     mi->disk_id = MSI_RecordGetInteger(row, 1);
 527     mi->last_sequence = MSI_RecordGetInteger(row, 2);
 528     msi_free(mi->disk_prompt);
 529     mi->disk_prompt = strdupW(MSI_RecordGetString(row, 3));
 530     msi_free(mi->cabinet);
 531     mi->cabinet = strdupW(MSI_RecordGetString(row, 4));
 532     msi_free(mi->volume_label);
 533     mi->volume_label = strdupW(MSI_RecordGetString(row, 5));
 534     msiobj_release(&row->hdr);
 535
 536     if (!mi->first_volume)
 537         mi->first_volume = strdupW(mi->volume_label);
 538
 539     source_dir = msi_dup_property(package, cszSourceDir);
 540     lstrcpyW(mi->source, source_dir);
 541
 542     if (file->IsCompressed && mi->cabinet)
 543     {
 544         if (mi->cabinet[0] == '#')
 545         {
 546             r = writeout_cabinet_stream(package, &mi->cabinet[1], mi->source);
 547             if (r != ERROR_SUCCESS)
 548             {
 549                 ERR("Failed to extract cabinet stream\n");
 550                 return ERROR_FUNCTION_FAILED;
 551             }
 552         }
 553         else
 554             lstrcatW(mi->source, mi->cabinet);
 555     }
 556
 557     msi_package_add_media_disk(package, MSIINSTALLCONTEXT_USERMANAGED, MSICODE_PRODUCT,
 558                                mi->disk_id, mi->volume_label, mi->disk_prompt);
 559
 560     msi_package_add_info(package, MSIINSTALLCONTEXT_USERMANAGED,
 561                          MSICODE_PRODUCT | MSISOURCETYPE_MEDIA,
 562                          INSTALLPROPERTY_LASTUSEDSOURCEW, mi->source);
 563
 564     msi_free(source_dir);
 565     return ERROR_SUCCESS;
 566 }
 567
 568 static UINT ready_media(MSIPACKAGE *package, MSIFILE *file, struct media_info *mi)
 569 {
 570     UINT rc = ERROR_SUCCESS;
 571
 572     /* media info for continuous cabinet is already loaded */
 573     if (mi->is_continuous)
 574         return ERROR_SUCCESS;
 575
 576     rc = load_media_info(package, file, mi);
 577     if (rc != ERROR_SUCCESS)
 578     {
 579         ERR("Unable to load media info\n");
 580         return ERROR_FUNCTION_FAILED;
 581     }
 582
 583     /* cabinet is internal, no checks needed */
 584     if (!mi->cabinet || mi->cabinet[0] == '#')
 585         return ERROR_SUCCESS;
 586
 587     /* package should be downloaded */
 588     if (file->IsCompressed &&
 589         GetFileAttributesW(mi->source) == INVALID_FILE_ATTRIBUTES &&
 590         package->BaseURL && UrlIsW(package->BaseURL, URLIS_URL))
 591     {
 592         WCHAR temppath[MAX_PATH];
 593
 594         msi_download_file(mi->source, temppath);
 595         lstrcpyW(mi->source, temppath);
 596         return ERROR_SUCCESS;
 597     }
 598
 599     /* check volume matches, change media if not */
 600     if (mi->volume_label && mi->disk_id > 1 &&
 601         lstrcmpW(mi->first_volume, mi->volume_label))
 602     {
 603         LPWSTR source = msi_dup_property(package, cszSourceDir);
 604         BOOL matches;
 605         UINT type;
 606
 607         PathStripToRootW(source);
 608         type = GetDriveTypeW(source);
 609         matches = source_matches_volume(mi, source);
 610         msi_free(source);
 611
 612         if ((type == DRIVE_CDROM || type == DRIVE_REMOVABLE) && !matches)
 613         {
 614             rc = msi_change_media(package, mi);
 615             if (rc != ERROR_SUCCESS)
 616                 return rc;
 617         }
 618     }
 619
 620     if (file->IsCompressed &&
 621         GetFileAttributesW(mi->source) == INVALID_FILE_ATTRIBUTES)
 622     {
 623         ERR("Cabinet not found: %s\n", debugstr_w(mi->source));
 624         return ERROR_INSTALL_FAILURE;
 625     }
 626
 627     return ERROR_SUCCESS;
 628 }
 629
 630 static UINT get_file_target(MSIPACKAGE *package, LPCWSTR file_key,
 631                             MSIFILE** file)
 632 {
 633     LIST_FOR_EACH_ENTRY( *file, &package->files, MSIFILE, entry )
 634     {
 635         if (lstrcmpW( file_key, (*file)->File )==0)
 636         {
 637             if ((*file)->state >= msifs_overwrite)
 638                 return ERROR_SUCCESS;
 639             else
 640                 return ERROR_FILE_NOT_FOUND;
 641         }
 642     }
 643
 644     return ERROR_FUNCTION_FAILED;
 645 }
 646
 647 static void schedule_install_files(MSIPACKAGE *package)
 648 {
 649     MSIFILE *file;
 650
 651     LIST_FOR_EACH_ENTRY(file, &package->files, MSIFILE, entry)
 652     {
 653         if (!ACTION_VerifyComponentForAction(file->Component, INSTALLSTATE_LOCAL))
 654         {
 655             TRACE("File %s is not scheduled for install\n", debugstr_w(file->File));
 656
 657             ui_progress(package,2,file->FileSize,0,0);
 658             file->state = msifs_skipped;
 659         }
 660     }
 661 }
 662
 663 static UINT copy_file(MSIFILE *file)
 664 {
 665     BOOL ret;
 666
 667     ret = CopyFileW(file->SourcePath, file->TargetPath, FALSE);
 668     if (ret)
 669     {
 670         file->state = msifs_installed;
 671         return ERROR_SUCCESS;
 672     }
 673
 674     return GetLastError();
 675 }
 676
 677 static UINT copy_install_file(MSIFILE *file)
 678 {
 679     UINT gle;
 680
 681     TRACE("Copying %s to %s\n", debugstr_w(file->SourcePath),
 682           debugstr_w(file->TargetPath));
 683
 684     gle = copy_file(file);
 685     if (gle == ERROR_SUCCESS)
 686         return gle;
 687
 688     if (gle == ERROR_ALREADY_EXISTS && file->state == msifs_overwrite)
 689     {
 690         TRACE("overwriting existing file\n");
 691         gle = ERROR_SUCCESS;
 692     }
 693     else if (gle == ERROR_FILE_NOT_FOUND)
 694     {
 695         /* FIXME: this needs to be tested, I'm pretty sure it fails */
 696         TRACE("Source file not found\n");
 697         gle = ERROR_SUCCESS;
 698     }
 699     else if (gle == ERROR_ACCESS_DENIED)
 700     {
 701         SetFileAttributesW(file->TargetPath, FILE_ATTRIBUTE_NORMAL);
 702
 703         gle = copy_file(file);
 704         TRACE("Overwriting existing file: %d\n", gle);
 705     }
 706     else if (!(file->Attributes & msidbFileAttributesVital))
 707     {
 708         TRACE("Ignoring error for nonvital\n");
 709         gle = ERROR_SUCCESS;
 710     }
 711
 712     return gle;
 713 }
 714
 715 static BOOL check_dest_hash_matches(MSIFILE *file)
 716 {
 717     MSIFILEHASHINFO hash;
 718     UINT r;
 719
 720     if (!file->hash.dwFileHashInfoSize)
 721         return FALSE;
 722
 723     hash.dwFileHashInfoSize = sizeof(MSIFILEHASHINFO);
 724     r = MsiGetFileHashW(file->TargetPath, 0, &hash);
 725     if (r != ERROR_SUCCESS)
 726         return FALSE;
 727
 728     return !memcmp(&hash, &file->hash, sizeof(MSIFILEHASHINFO));
 729 }
 730
 731 /*
 732  * ACTION_InstallFiles()
 733  *
 734  * For efficiency, this is done in two passes:
 735  * 1) Correct all the TargetPaths and determine what files are to be installed.
 736  * 2) Extract Cabinets and copy files.
 737  */
 738 UINT ACTION_InstallFiles(MSIPACKAGE *package)
 739 {
 740     struct media_info *mi;
 741     UINT rc = ERROR_SUCCESS;
 742     LPWSTR ptr;
 743     MSIFILE *file;
 744
 745     /* increment progress bar each time action data is sent */
 746     ui_progress(package,1,1,0,0);
 747
 748     /* handle the keys for the SourceList */
 749     ptr = strrchrW(package->PackagePath,'\\');
 750     if (ptr)
 751     {
 752         ptr++;
 753         msi_package_add_info(package, MSIINSTALLCONTEXT_USERMANAGED,
 754                              MSICODE_PRODUCT, INSTALLPROPERTY_PACKAGENAMEW, ptr);
 755     }
 756
 757     schedule_install_files(package);
 758
 759     /*
 760      * Despite MSDN specifying that the CreateFolders action
 761      * should be called before InstallFiles, some installers don't
 762      * do that, and they seem to work correctly.  We need to create
 763      * directories here to make sure that the files can be copied.
 764      */
 765     msi_create_component_directories( package );
 766
 767     mi = msi_alloc_zero( sizeof(struct media_info) );
 768
 769     LIST_FOR_EACH_ENTRY( file, &package->files, MSIFILE, entry )
 770     {
 771         if (file->state != msifs_missing && !mi->is_continuous && file->state != msifs_overwrite)
 772             continue;
 773
 774         if (check_dest_hash_matches(file))
 775         {
 776             TRACE("File hashes match, not overwriting\n");
 777             continue;
 778         }
 779
 780         if (file->Sequence > mi->last_sequence || mi->is_continuous ||
 781             (file->IsCompressed && !mi->is_extracted))
 782         {
 783             rc = ready_media(package, file, mi);
 784             if (rc != ERROR_SUCCESS)
 785             {
 786                 ERR("Failed to ready media\n");
 787                 break;
 788             }
 789
 790             if (file->IsCompressed && !extract_cabinet_file(package, mi))
 791             {
 792                 ERR("Failed to extract cabinet: %s\n", debugstr_w(mi->cabinet));
 793                 rc = ERROR_FUNCTION_FAILED;
 794                 break;
 795             }
 796         }
 797
 798         set_file_source(package, file, mi->source);
 799
 800         TRACE("file paths %s to %s\n",debugstr_w(file->SourcePath),
 801               debugstr_w(file->TargetPath));
 802
 803         if (!file->IsCompressed)
 804         {
 805             msi_file_update_ui(package, file, szInstallFiles);
 806             rc = copy_install_file(file);
 807             if (rc != ERROR_SUCCESS)
 808             {
 809                 ERR("Failed to copy %s to %s (%d)\n", debugstr_w(file->SourcePath),
 810                     debugstr_w(file->TargetPath), rc);
 811                 rc = ERROR_INSTALL_FAILURE;
 812                 break;
 813             }
 814         }
 815         else if (file->state != msifs_installed)
 816         {
 817             ERR("compressed file wasn't extracted (%s)\n", debugstr_w(file->TargetPath));
 818             rc = ERROR_INSTALL_FAILURE;
 819             break;
 820         }
 821     }
 822
 823     free_media_info( mi );
 824     return rc;
 825 }
 826
 827 static UINT ITERATE_DuplicateFiles(MSIRECORD *row, LPVOID param)
 828 {
 829     MSIPACKAGE *package = (MSIPACKAGE*)param;
 830     WCHAR dest_name[0x100];
 831     LPWSTR dest_path, dest;
 832     LPCWSTR file_key, component;
 833     DWORD sz;
 834     DWORD rc;
 835     MSICOMPONENT *comp;
 836     MSIFILE *file;
 837
 838     component = MSI_RecordGetString(row,2);
 839     comp = get_loaded_component(package,component);
 840
 841     if (!ACTION_VerifyComponentForAction( comp, INSTALLSTATE_LOCAL ))
 842     {
 843         TRACE("Skipping copy due to disabled component %s\n",
 844                         debugstr_w(component));
 845
 846         /* the action taken was the same as the current install state */
 847         comp->Action = comp->Installed;
 848
 849         return ERROR_SUCCESS;
 850     }
 851
 852     comp->Action = INSTALLSTATE_LOCAL;
 853
 854     file_key = MSI_RecordGetString(row,3);
 855     if (!file_key)
 856     {
 857         ERR("Unable to get file key\n");
 858         return ERROR_FUNCTION_FAILED;
 859     }
 860
 861     rc = get_file_target(package,file_key,&file);
 862
 863     if (rc != ERROR_SUCCESS)
 864     {
 865         ERR("Original file unknown %s\n",debugstr_w(file_key));
 866         return ERROR_SUCCESS;
 867     }
 868
 869     if (MSI_RecordIsNull(row,4))
 870         strcpyW(dest_name,strrchrW(file->TargetPath,'\\')+1);
 871     else
 872     {
 873         sz=0x100;
 874         MSI_RecordGetStringW(row,4,dest_name,&sz);
 875         reduce_to_longfilename(dest_name);
 876     }
 877
 878     if (MSI_RecordIsNull(row,5))
 879     {
 880         LPWSTR p;
 881         dest_path = strdupW(file->TargetPath);
 882         p = strrchrW(dest_path,'\\');
 883         if (p)
 884             *p=0;
 885     }
 886     else
 887     {
 888         LPCWSTR destkey;
 889         destkey = MSI_RecordGetString(row,5);
 890         dest_path = resolve_folder(package, destkey, FALSE, FALSE, TRUE, NULL);
 891         if (!dest_path)
 892         {
 893             /* try a Property */
 894             dest_path = msi_dup_property( package, destkey );
 895             if (!dest_path)
 896             {
 897                 FIXME("Unable to get destination folder, try AppSearch properties\n");
 898                 return ERROR_SUCCESS;
 899             }
 900         }
 901     }
 902
 903     dest = build_directory_name(2, dest_path, dest_name);
 904     create_full_pathW(dest_path);
 905
 906     TRACE("Duplicating file %s to %s\n",debugstr_w(file->TargetPath),
 907                     debugstr_w(dest));
 908
 909     if (strcmpW(file->TargetPath,dest))
 910         rc = !CopyFileW(file->TargetPath,dest,TRUE);
 911     else
 912         rc = ERROR_SUCCESS;
 913
 914     if (rc != ERROR_SUCCESS)
 915         ERR("Failed to copy file %s -> %s, last error %d\n",
 916             debugstr_w(file->TargetPath), debugstr_w(dest_path), GetLastError());
 917
 918     FIXME("We should track these duplicate files as well\n");
 919
 920     msi_free(dest_path);
 921     msi_free(dest);
 922
 923     msi_file_update_ui(package, file, szDuplicateFiles);
 924
 925     return ERROR_SUCCESS;
 926 }
 927
 928 UINT ACTION_DuplicateFiles(MSIPACKAGE *package)
 929 {
 930     UINT rc;
 931     MSIQUERY * view;
 932     static const WCHAR ExecSeqQuery[] =
 933         {'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
 934          '`','D','u','p','l','i','c','a','t','e','F','i','l','e','`',0};
 935
 936     rc = MSI_DatabaseOpenViewW(package->db, ExecSeqQuery, &view);
 937     if (rc != ERROR_SUCCESS)
 938         return ERROR_SUCCESS;
 939
 940     rc = MSI_IterateRecords(view, NULL, ITERATE_DuplicateFiles, package);
 941     msiobj_release(&view->hdr);
 942
 943     return rc;
 944 }
 945
 946 /* compares the version of a file read from the filesystem and
 947  * the version specified in the File table
 948  */
 949 static int msi_compare_file_version( MSIFILE *file )
 950 {
 951     WCHAR version[MAX_PATH];
 952     DWORD size;
 953     UINT r;
 954
 955     size = MAX_PATH;
 956     version[0] = '\0';
 957     r = MsiGetFileVersionW( file->TargetPath, version, &size, NULL, NULL );
 958     if ( r != ERROR_SUCCESS )
 959         return 0;
 960
 961     return lstrcmpW( version, file->Version );
 962 }
 963
 964 UINT ACTION_RemoveFiles( MSIPACKAGE *package )
 965 {
 966     MSIFILE *file;
 967
 968     LIST_FOR_EACH_ENTRY( file, &package->files, MSIFILE, entry )
 969     {
 970         MSIRECORD *uirow;
 971         LPWSTR uipath, p;
 972
 973         if ( !file->Component )
 974             continue;
 975         if ( file->Component->Installed == INSTALLSTATE_LOCAL )
 976             continue;
 977
 978         if ( file->state == msifs_installed )
 979             ERR("removing installed file %s\n", debugstr_w(file->TargetPath));
 980
 981         if ( file->state != msifs_present )
 982             continue;
 983
 984         /* only remove a file if the version to be installed
 985          * is strictly newer than the old file
 986          */
 987         if ( msi_compare_file_version( file ) >= 0 )
 988             continue;
 989
 990         TRACE("removing %s\n", debugstr_w(file->File) );
 991         if ( !DeleteFileW( file->TargetPath ) )
 992             ERR("failed to delete %s\n",  debugstr_w(file->TargetPath) );
 993         file->state = msifs_missing;
 994
 995         /* the UI chunk */
 996         uirow = MSI_CreateRecord( 9 );
 997         MSI_RecordSetStringW( uirow, 1, file->FileName );
 998         uipath = strdupW( file->TargetPath );
 999         p = strrchrW(uipath,'\\');
1000         if (p)
1001             p[1]=0;
1002         MSI_RecordSetStringW( uirow, 9, uipath);
1003         ui_actiondata( package, szRemoveFiles, uirow);
1004         msiobj_release( &uirow->hdr );
1005         msi_free( uipath );
1006         /* FIXME: call ui_progress here? */
1007     }
1008
1009     return ERROR_SUCCESS;
1010 }