dlls/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
  28  * PatchFiles (TODO)
  29  * RemoveDuplicateFiles
  30  * RemoveFiles
  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 "msipriv.h"
  43 #include "winuser.h"
  44 #include "winreg.h"
  45 #include "shlwapi.h"
  46 #include "wine/unicode.h"
  47
  48 WINE_DEFAULT_DEBUG_CHANNEL(msi);
  49
  50 static void msi_file_update_ui( MSIPACKAGE *package, MSIFILE *f, const WCHAR *action )
  51 {
  52     MSIRECORD *uirow;
  53
  54     uirow = MSI_CreateRecord( 9 );
  55     MSI_RecordSetStringW( uirow, 1, f->FileName );
  56     MSI_RecordSetStringW( uirow, 9, f->Component->Directory );
  57     MSI_RecordSetInteger( uirow, 6, f->FileSize );
  58     ui_actiondata( package, action, uirow );
  59     msiobj_release( &uirow->hdr );
  60     ui_progress( package, 2, f->FileSize, 0, 0 );
  61 }
  62
  63 static void schedule_install_files(MSIPACKAGE *package)
  64 {
  65     MSIFILE *file;
  66
  67     LIST_FOR_EACH_ENTRY(file, &package->files, MSIFILE, entry)
  68     {
  69         if (file->Component->ActionRequest != INSTALLSTATE_LOCAL)
  70         {
  71             TRACE("File %s is not scheduled for install\n", debugstr_w(file->File));
  72
  73             ui_progress(package,2,file->FileSize,0,0);
  74             file->state = msifs_skipped;
  75         }
  76         else
  77             file->Component->Action = INSTALLSTATE_LOCAL;
  78     }
  79 }
  80
  81 static UINT copy_file(MSIFILE *file, LPWSTR source)
  82 {
  83     BOOL ret;
  84
  85     ret = CopyFileW(source, file->TargetPath, FALSE);
  86     if (!ret)
  87         return GetLastError();
  88
  89     SetFileAttributesW(file->TargetPath, FILE_ATTRIBUTE_NORMAL);
  90
  91     file->state = msifs_installed;
  92     return ERROR_SUCCESS;
  93 }
  94
  95 static UINT copy_install_file(MSIPACKAGE *package, MSIFILE *file, LPWSTR source)
  96 {
  97     UINT gle;
  98
  99     TRACE("Copying %s to %s\n", debugstr_w(source), debugstr_w(file->TargetPath));
 100
 101     gle = copy_file(file, source);
 102     if (gle == ERROR_SUCCESS)
 103         return gle;
 104
 105     if (gle == ERROR_ALREADY_EXISTS && file->state == msifs_overwrite)
 106     {
 107         TRACE("overwriting existing file\n");
 108         return ERROR_SUCCESS;
 109     }
 110     else if (gle == ERROR_ACCESS_DENIED)
 111     {
 112         SetFileAttributesW(file->TargetPath, FILE_ATTRIBUTE_NORMAL);
 113
 114         gle = copy_file(file, source);
 115         TRACE("Overwriting existing file: %d\n", gle);
 116     }
 117     if (gle == ERROR_SHARING_VIOLATION || gle == ERROR_USER_MAPPED_FILE)
 118     {
 119         WCHAR tmpfileW[MAX_PATH], *pathW, *p;
 120         DWORD len;
 121
 122         TRACE("file in use, scheduling rename operation\n");
 123
 124         GetTempFileNameW(szBackSlash, szMsi, 0, tmpfileW);
 125         len = strlenW(file->TargetPath) + strlenW(tmpfileW) + 1;
 126         if (!(pathW = msi_alloc(len * sizeof(WCHAR))))
 127             return ERROR_OUTOFMEMORY;
 128
 129         strcpyW(pathW, file->TargetPath);
 130         if ((p = strrchrW(pathW, '\\'))) *p = 0;
 131         strcatW(pathW, tmpfileW);
 132
 133         if (CopyFileW(source, pathW, FALSE) &&
 134             MoveFileExW(file->TargetPath, NULL, MOVEFILE_DELAY_UNTIL_REBOOT) &&
 135             MoveFileExW(pathW, file->TargetPath, MOVEFILE_DELAY_UNTIL_REBOOT))
 136         {
 137             file->state = msifs_installed;
 138             package->need_reboot = 1;
 139             gle = ERROR_SUCCESS;
 140         }
 141         else
 142         {
 143             gle = GetLastError();
 144             WARN("failed to schedule rename operation: %d)\n", gle);
 145         }
 146         msi_free(pathW);
 147     }
 148
 149     return gle;
 150 }
 151
 152 static UINT msi_create_directory( MSIPACKAGE *package, const WCHAR *dir )
 153 {
 154     MSIFOLDER *folder;
 155     WCHAR *install_path;
 156
 157     install_path = resolve_folder( package, dir, FALSE, FALSE, TRUE, &folder );
 158     if (!install_path)
 159         return ERROR_FUNCTION_FAILED;
 160
 161     if (folder->State == 0)
 162     {
 163         create_full_pathW( install_path );
 164         folder->State = 2;
 165     }
 166     msi_free( install_path );
 167     return ERROR_SUCCESS;
 168 }
 169
 170 static BOOL installfiles_cb(MSIPACKAGE *package, LPCWSTR file, DWORD action,
 171                             LPWSTR *path, DWORD *attrs, PVOID user)
 172 {
 173     static MSIFILE *f = NULL;
 174     UINT_PTR disk_id = (UINT_PTR)user;
 175
 176     if (action == MSICABEXTRACT_BEGINEXTRACT)
 177     {
 178         f = get_loaded_file(package, file);
 179         if (!f)
 180         {
 181             WARN("unknown file in cabinet (%s)\n", debugstr_w(file));
 182             return FALSE;
 183         }
 184
 185         if (f->disk_id != disk_id || (f->state != msifs_missing && f->state != msifs_overwrite))
 186             return FALSE;
 187
 188         msi_file_update_ui(package, f, szInstallFiles);
 189         msi_create_directory(package, f->Component->Directory);
 190
 191         *path = strdupW(f->TargetPath);
 192         *attrs = f->Attributes;
 193     }
 194     else if (action == MSICABEXTRACT_FILEEXTRACTED)
 195     {
 196         f->state = msifs_installed;
 197         f = NULL;
 198     }
 199
 200     return TRUE;
 201 }
 202
 203 /*
 204  * ACTION_InstallFiles()
 205  *
 206  * For efficiency, this is done in two passes:
 207  * 1) Correct all the TargetPaths and determine what files are to be installed.
 208  * 2) Extract Cabinets and copy files.
 209  */
 210 UINT ACTION_InstallFiles(MSIPACKAGE *package)
 211 {
 212     MSIMEDIAINFO *mi;
 213     UINT rc = ERROR_SUCCESS;
 214     MSIFILE *file;
 215
 216     /* increment progress bar each time action data is sent */
 217     ui_progress(package,1,1,0,0);
 218
 219     schedule_install_files(package);
 220
 221     mi = msi_alloc_zero( sizeof(MSIMEDIAINFO) );
 222
 223     LIST_FOR_EACH_ENTRY( file, &package->files, MSIFILE, entry )
 224     {
 225         if (file->state != msifs_missing && !mi->is_continuous && file->state != msifs_overwrite)
 226             continue;
 227
 228         if (file->Sequence > mi->last_sequence || mi->is_continuous ||
 229             (file->IsCompressed && !mi->is_extracted))
 230         {
 231             MSICABDATA data;
 232
 233             rc = ready_media(package, file, mi);
 234             if (rc != ERROR_SUCCESS)
 235             {
 236                 ERR("Failed to ready media for %s\n", debugstr_w(file->File));
 237                 break;
 238             }
 239
 240             data.mi = mi;
 241             data.package = package;
 242             data.cb = installfiles_cb;
 243             data.user = (PVOID)(UINT_PTR)mi->disk_id;
 244
 245             if (file->IsCompressed &&
 246                 !msi_cabextract(package, mi, &data))
 247             {
 248                 ERR("Failed to extract cabinet: %s\n", debugstr_w(mi->cabinet));
 249                 rc = ERROR_INSTALL_FAILURE;
 250                 break;
 251             }
 252         }
 253
 254         if (!file->IsCompressed)
 255         {
 256             LPWSTR source = resolve_file_source(package, file);
 257
 258             TRACE("file paths %s to %s\n", debugstr_w(source),
 259                   debugstr_w(file->TargetPath));
 260
 261             msi_file_update_ui(package, file, szInstallFiles);
 262             msi_create_directory(package, file->Component->Directory);
 263
 264             rc = copy_install_file(package, file, source);
 265             if (rc != ERROR_SUCCESS)
 266             {
 267                 ERR("Failed to copy %s to %s (%d)\n", debugstr_w(source),
 268                     debugstr_w(file->TargetPath), rc);
 269                 rc = ERROR_INSTALL_FAILURE;
 270                 msi_free(source);
 271                 break;
 272             }
 273
 274             msi_free(source);
 275         }
 276         else if (file->state != msifs_installed)
 277         {
 278             ERR("compressed file wasn't installed (%s)\n", debugstr_w(file->TargetPath));
 279             rc = ERROR_INSTALL_FAILURE;
 280             break;
 281         }
 282     }
 283
 284     msi_free_media_info(mi);
 285     return rc;
 286 }
 287
 288 #define is_dot_dir(x) ((x[0] == '.') && ((x[1] == 0) || ((x[1] == '.') && (x[2] == 0))))
 289
 290 typedef struct
 291 {
 292     struct list entry;
 293     LPWSTR sourcename;
 294     LPWSTR destname;
 295     LPWSTR source;
 296     LPWSTR dest;
 297 } FILE_LIST;
 298
 299 static BOOL msi_move_file(LPCWSTR source, LPCWSTR dest, int options)
 300 {
 301     BOOL ret;
 302
 303     if (GetFileAttributesW(source) == FILE_ATTRIBUTE_DIRECTORY ||
 304         GetFileAttributesW(dest) == FILE_ATTRIBUTE_DIRECTORY)
 305     {
 306         WARN("Source or dest is directory, not moving\n");
 307         return FALSE;
 308     }
 309
 310     if (options == msidbMoveFileOptionsMove)
 311     {
 312         TRACE("moving %s -> %s\n", debugstr_w(source), debugstr_w(dest));
 313         ret = MoveFileExW(source, dest, MOVEFILE_REPLACE_EXISTING);
 314         if (!ret)
 315         {
 316             WARN("MoveFile failed: %d\n", GetLastError());
 317             return FALSE;
 318         }
 319     }
 320     else
 321     {
 322         TRACE("copying %s -> %s\n", debugstr_w(source), debugstr_w(dest));
 323         ret = CopyFileW(source, dest, FALSE);
 324         if (!ret)
 325         {
 326             WARN("CopyFile failed: %d\n", GetLastError());
 327             return FALSE;
 328         }
 329     }
 330
 331     return TRUE;
 332 }
 333
 334 static LPWSTR wildcard_to_file(LPWSTR wildcard, LPWSTR filename)
 335 {
 336     LPWSTR path, ptr;
 337     DWORD dirlen, pathlen;
 338
 339     ptr = strrchrW(wildcard, '\\');
 340     dirlen = ptr - wildcard + 1;
 341
 342     pathlen = dirlen + lstrlenW(filename) + 1;
 343     path = msi_alloc(pathlen * sizeof(WCHAR));
 344
 345     lstrcpynW(path, wildcard, dirlen + 1);
 346     lstrcatW(path, filename);
 347
 348     return path;
 349 }
 350
 351 static void free_file_entry(FILE_LIST *file)
 352 {
 353     msi_free(file->source);
 354     msi_free(file->dest);
 355     msi_free(file);
 356 }
 357
 358 static void free_list(FILE_LIST *list)
 359 {
 360     while (!list_empty(&list->entry))
 361     {
 362         FILE_LIST *file = LIST_ENTRY(list_head(&list->entry), FILE_LIST, entry);
 363
 364         list_remove(&file->entry);
 365         free_file_entry(file);
 366     }
 367 }
 368
 369 static BOOL add_wildcard(FILE_LIST *files, LPWSTR source, LPWSTR dest)
 370 {
 371     FILE_LIST *new, *file;
 372     LPWSTR ptr, filename;
 373     DWORD size;
 374
 375     new = msi_alloc_zero(sizeof(FILE_LIST));
 376     if (!new)
 377         return FALSE;
 378
 379     new->source = strdupW(source);
 380     ptr = strrchrW(dest, '\\') + 1;
 381     filename = strrchrW(new->source, '\\') + 1;
 382
 383     new->sourcename = filename;
 384
 385     if (*ptr)
 386         new->destname = ptr;
 387     else
 388         new->destname = new->sourcename;
 389
 390     size = (ptr - dest) + lstrlenW(filename) + 1;
 391     new->dest = msi_alloc(size * sizeof(WCHAR));
 392     if (!new->dest)
 393     {
 394         free_file_entry(new);
 395         return FALSE;
 396     }
 397
 398     lstrcpynW(new->dest, dest, ptr - dest + 1);
 399     lstrcatW(new->dest, filename);
 400
 401     if (list_empty(&files->entry))
 402     {
 403         list_add_head(&files->entry, &new->entry);
 404         return TRUE;
 405     }
 406
 407     LIST_FOR_EACH_ENTRY(file, &files->entry, FILE_LIST, entry)
 408     {
 409         if (lstrcmpW(source, file->source) < 0)
 410         {
 411             list_add_before(&file->entry, &new->entry);
 412             return TRUE;
 413         }
 414     }
 415
 416     list_add_after(&file->entry, &new->entry);
 417     return TRUE;
 418 }
 419
 420 static BOOL move_files_wildcard(LPWSTR source, LPWSTR dest, int options)
 421 {
 422     WIN32_FIND_DATAW wfd;
 423     HANDLE hfile;
 424     LPWSTR path;
 425     BOOL res;
 426     FILE_LIST files, *file;
 427     DWORD size;
 428
 429     hfile = FindFirstFileW(source, &wfd);
 430     if (hfile == INVALID_HANDLE_VALUE) return FALSE;
 431
 432     list_init(&files.entry);
 433
 434     for (res = TRUE; res; res = FindNextFileW(hfile, &wfd))
 435     {
 436         if (is_dot_dir(wfd.cFileName)) continue;
 437
 438         path = wildcard_to_file(source, wfd.cFileName);
 439         if (!path)
 440         {
 441             res = FALSE;
 442             goto done;
 443         }
 444
 445         add_wildcard(&files, path, dest);
 446         msi_free(path);
 447     }
 448
 449     /* no files match the wildcard */
 450     if (list_empty(&files.entry))
 451         goto done;
 452
 453     /* only the first wildcard match gets renamed to dest */
 454     file = LIST_ENTRY(list_head(&files.entry), FILE_LIST, entry);
 455     size = (strrchrW(file->dest, '\\') - file->dest) + lstrlenW(file->destname) + 2;
 456     file->dest = msi_realloc(file->dest, size * sizeof(WCHAR));
 457     if (!file->dest)
 458     {
 459         res = FALSE;
 460         goto done;
 461     }
 462
 463     /* file->dest may be shorter after the reallocation, so add a NULL
 464      * terminator.  This is needed for the call to strrchrW, as there will no
 465      * longer be a NULL terminator within the bounds of the allocation in this case.
 466      */
 467     file->dest[size - 1] = '\0';
 468     lstrcpyW(strrchrW(file->dest, '\\') + 1, file->destname);
 469
 470     while (!list_empty(&files.entry))
 471     {
 472         file = LIST_ENTRY(list_head(&files.entry), FILE_LIST, entry);
 473
 474         msi_move_file(file->source, file->dest, options);
 475
 476         list_remove(&file->entry);
 477         free_file_entry(file);
 478     }
 479
 480     res = TRUE;
 481
 482 done:
 483     free_list(&files);
 484     FindClose(hfile);
 485     return res;
 486 }
 487
 488 static UINT ITERATE_MoveFiles( MSIRECORD *rec, LPVOID param )
 489 {
 490     MSIPACKAGE *package = param;
 491     MSIRECORD *uirow;
 492     MSICOMPONENT *comp;
 493     LPCWSTR sourcename, component;
 494     LPWSTR sourcedir, destname = NULL, destdir = NULL, source = NULL, dest = NULL;
 495     int options;
 496     DWORD size;
 497     BOOL ret, wildcards;
 498
 499     component = MSI_RecordGetString(rec, 2);
 500     comp = get_loaded_component(package, component);
 501     if (!comp)
 502         return ERROR_SUCCESS;
 503
 504     if (comp->ActionRequest != INSTALLSTATE_LOCAL && comp->ActionRequest != INSTALLSTATE_SOURCE)
 505     {
 506         TRACE("Component not scheduled for installation: %s\n", debugstr_w(component));
 507         comp->Action = comp->Installed;
 508         return ERROR_SUCCESS;
 509     }
 510     comp->Action = comp->ActionRequest;
 511
 512     sourcename = MSI_RecordGetString(rec, 3);
 513     options = MSI_RecordGetInteger(rec, 7);
 514
 515     sourcedir = msi_dup_property(package->db, MSI_RecordGetString(rec, 5));
 516     if (!sourcedir)
 517         goto done;
 518
 519     destdir = msi_dup_property(package->db, MSI_RecordGetString(rec, 6));
 520     if (!destdir)
 521         goto done;
 522
 523     if (!sourcename)
 524     {
 525         if (GetFileAttributesW(sourcedir) == INVALID_FILE_ATTRIBUTES)
 526             goto done;
 527
 528         source = strdupW(sourcedir);
 529         if (!source)
 530             goto done;
 531     }
 532     else
 533     {
 534         size = lstrlenW(sourcedir) + lstrlenW(sourcename) + 2;
 535         source = msi_alloc(size * sizeof(WCHAR));
 536         if (!source)
 537             goto done;
 538
 539         lstrcpyW(source, sourcedir);
 540         if (source[lstrlenW(source) - 1] != '\\')
 541             lstrcatW(source, szBackSlash);
 542         lstrcatW(source, sourcename);
 543     }
 544
 545     wildcards = strchrW(source, '*') || strchrW(source, '?');
 546
 547     if (MSI_RecordIsNull(rec, 4))
 548     {
 549         if (!wildcards)
 550         {
 551             destname = strdupW(sourcename);
 552             if (!destname)
 553                 goto done;
 554         }
 555     }
 556     else
 557     {
 558         destname = strdupW(MSI_RecordGetString(rec, 4));
 559         if (destname)
 560             reduce_to_longfilename(destname);
 561     }
 562
 563     size = 0;
 564     if (destname)
 565         size = lstrlenW(destname);
 566
 567     size += lstrlenW(destdir) + 2;
 568     dest = msi_alloc(size * sizeof(WCHAR));
 569     if (!dest)
 570         goto done;
 571
 572     lstrcpyW(dest, destdir);
 573     if (dest[lstrlenW(dest) - 1] != '\\')
 574         lstrcatW(dest, szBackSlash);
 575
 576     if (destname)
 577         lstrcatW(dest, destname);
 578
 579     if (GetFileAttributesW(destdir) == INVALID_FILE_ATTRIBUTES)
 580     {
 581         ret = CreateDirectoryW(destdir, NULL);
 582         if (!ret)
 583         {
 584             WARN("CreateDirectory failed: %d\n", GetLastError());
 585             goto done;
 586         }
 587     }
 588
 589     if (!wildcards)
 590         msi_move_file(source, dest, options);
 591     else
 592         move_files_wildcard(source, dest, options);
 593
 594 done:
 595     uirow = MSI_CreateRecord( 9 );
 596     MSI_RecordSetStringW( uirow, 1, MSI_RecordGetString(rec, 1) );
 597     MSI_RecordSetInteger( uirow, 6, 1 ); /* FIXME */
 598     MSI_RecordSetStringW( uirow, 9, destdir );
 599     ui_actiondata( package, szMoveFiles, uirow );
 600     msiobj_release( &uirow->hdr );
 601
 602     msi_free(sourcedir);
 603     msi_free(destdir);
 604     msi_free(destname);
 605     msi_free(source);
 606     msi_free(dest);
 607
 608     return ERROR_SUCCESS;
 609 }
 610
 611 UINT ACTION_MoveFiles( MSIPACKAGE *package )
 612 {
 613     UINT rc;
 614     MSIQUERY *view;
 615
 616     static const WCHAR ExecSeqQuery[] =
 617         {'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
 618          '`','M','o','v','e','F','i','l','e','`',0};
 619
 620     rc = MSI_DatabaseOpenViewW(package->db, ExecSeqQuery, &view);
 621     if (rc != ERROR_SUCCESS)
 622         return ERROR_SUCCESS;
 623
 624     rc = MSI_IterateRecords(view, NULL, ITERATE_MoveFiles, package);
 625     msiobj_release(&view->hdr);
 626
 627     return rc;
 628 }
 629
 630 static WCHAR *get_duplicate_filename( MSIPACKAGE *package, MSIRECORD *row, const WCHAR *file_key, const WCHAR *src )
 631 {
 632     DWORD len;
 633     WCHAR *dst_name, *dst_path, *dst;
 634
 635     if (MSI_RecordIsNull( row, 4 ))
 636     {
 637         len = strlenW( src ) + 1;
 638         if (!(dst_name = msi_alloc( len * sizeof(WCHAR)))) return NULL;
 639         strcpyW( dst_name, strrchrW( src, '\\' ) + 1 );
 640     }
 641     else
 642     {
 643         MSI_RecordGetStringW( row, 4, NULL, &len );
 644         if (!(dst_name = msi_alloc( ++len * sizeof(WCHAR) ))) return NULL;
 645         MSI_RecordGetStringW( row, 4, dst_name, &len );
 646         reduce_to_longfilename( dst_name );
 647     }
 648
 649     if (MSI_RecordIsNull( row, 5 ))
 650     {
 651         WCHAR *p;
 652         dst_path = strdupW( src );
 653         p = strrchrW( dst_path, '\\' );
 654         if (p) *p = 0;
 655     }
 656     else
 657     {
 658         const WCHAR *dst_key = MSI_RecordGetString( row, 5 );
 659
 660         dst_path = resolve_folder( package, dst_key, FALSE, FALSE, TRUE, NULL );
 661         if (!dst_path)
 662         {
 663             /* try a property */
 664             dst_path = msi_dup_property( package->db, dst_key );
 665             if (!dst_path)
 666             {
 667                 FIXME("Unable to get destination folder, try AppSearch properties\n");
 668                 msi_free( dst_name );
 669                 return NULL;
 670             }
 671         }
 672     }
 673
 674     dst = build_directory_name( 2, dst_path, dst_name );
 675     create_full_pathW( dst_path );
 676
 677     msi_free( dst_name );
 678     msi_free( dst_path );
 679     return dst;
 680 }
 681
 682 static UINT ITERATE_DuplicateFiles(MSIRECORD *row, LPVOID param)
 683 {
 684     MSIPACKAGE *package = param;
 685     LPWSTR dest;
 686     LPCWSTR file_key, component;
 687     MSICOMPONENT *comp;
 688     MSIRECORD *uirow;
 689     MSIFILE *file;
 690
 691     component = MSI_RecordGetString(row,2);
 692     comp = get_loaded_component(package,component);
 693     if (!comp)
 694         return ERROR_SUCCESS;
 695
 696     if (comp->ActionRequest != INSTALLSTATE_LOCAL)
 697     {
 698         TRACE("Component not scheduled for installation %s\n", debugstr_w(component));
 699         comp->Action = comp->Installed;
 700         return ERROR_SUCCESS;
 701     }
 702     comp->Action = INSTALLSTATE_LOCAL;
 703
 704     file_key = MSI_RecordGetString(row,3);
 705     if (!file_key)
 706     {
 707         ERR("Unable to get file key\n");
 708         return ERROR_FUNCTION_FAILED;
 709     }
 710
 711     file = get_loaded_file( package, file_key );
 712     if (!file)
 713     {
 714         ERR("Original file unknown %s\n", debugstr_w(file_key));
 715         return ERROR_SUCCESS;
 716     }
 717
 718     dest = get_duplicate_filename( package, row, file_key, file->TargetPath );
 719     if (!dest)
 720     {
 721         WARN("Unable to get duplicate filename\n");
 722         return ERROR_SUCCESS;
 723     }
 724
 725     TRACE("Duplicating file %s to %s\n", debugstr_w(file->TargetPath), debugstr_w(dest));
 726
 727     if (!CopyFileW( file->TargetPath, dest, TRUE ))
 728     {
 729         WARN("Failed to copy file %s -> %s (%u)\n",
 730              debugstr_w(file->TargetPath), debugstr_w(dest), GetLastError());
 731     }
 732
 733     FIXME("We should track these duplicate files as well\n");
 734
 735     uirow = MSI_CreateRecord( 9 );
 736     MSI_RecordSetStringW( uirow, 1, MSI_RecordGetString( row, 1 ) );
 737     MSI_RecordSetInteger( uirow, 6, file->FileSize );
 738     MSI_RecordSetStringW( uirow, 9, MSI_RecordGetString( row, 5 ) );
 739     ui_actiondata( package, szDuplicateFiles, uirow );
 740     msiobj_release( &uirow->hdr );
 741
 742     msi_free(dest);
 743     return ERROR_SUCCESS;
 744 }
 745
 746 UINT ACTION_DuplicateFiles(MSIPACKAGE *package)
 747 {
 748     UINT rc;
 749     MSIQUERY * view;
 750     static const WCHAR ExecSeqQuery[] =
 751         {'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
 752          '`','D','u','p','l','i','c','a','t','e','F','i','l','e','`',0};
 753
 754     rc = MSI_DatabaseOpenViewW(package->db, ExecSeqQuery, &view);
 755     if (rc != ERROR_SUCCESS)
 756         return ERROR_SUCCESS;
 757
 758     rc = MSI_IterateRecords(view, NULL, ITERATE_DuplicateFiles, package);
 759     msiobj_release(&view->hdr);
 760
 761     return rc;
 762 }
 763
 764 static UINT ITERATE_RemoveDuplicateFiles( MSIRECORD *row, LPVOID param )
 765 {
 766     MSIPACKAGE *package = param;
 767     LPWSTR dest;
 768     LPCWSTR file_key, component;
 769     MSICOMPONENT *comp;
 770     MSIRECORD *uirow;
 771     MSIFILE *file;
 772
 773     component = MSI_RecordGetString( row, 2 );
 774     comp = get_loaded_component( package, component );
 775     if (!comp)
 776         return ERROR_SUCCESS;
 777
 778     if (comp->ActionRequest != INSTALLSTATE_ABSENT)
 779     {
 780         TRACE("Component not scheduled for removal %s\n", debugstr_w(component));
 781         comp->Action = comp->Installed;
 782         return ERROR_SUCCESS;
 783     }
 784     comp->Action = INSTALLSTATE_ABSENT;
 785
 786     file_key = MSI_RecordGetString( row, 3 );
 787     if (!file_key)
 788     {
 789         ERR("Unable to get file key\n");
 790         return ERROR_FUNCTION_FAILED;
 791     }
 792
 793     file = get_loaded_file( package, file_key );
 794     if (!file)
 795     {
 796         ERR("Original file unknown %s\n", debugstr_w(file_key));
 797         return ERROR_SUCCESS;
 798     }
 799
 800     dest = get_duplicate_filename( package, row, file_key, file->TargetPath );
 801     if (!dest)
 802     {
 803         WARN("Unable to get duplicate filename\n");
 804         return ERROR_SUCCESS;
 805     }
 806
 807     TRACE("Removing duplicate %s of %s\n", debugstr_w(dest), debugstr_w(file->TargetPath));
 808
 809     if (!DeleteFileW( dest ))
 810     {
 811         WARN("Failed to delete duplicate file %s (%u)\n", debugstr_w(dest), GetLastError());
 812     }
 813
 814     uirow = MSI_CreateRecord( 9 );
 815     MSI_RecordSetStringW( uirow, 1, MSI_RecordGetString( row, 1 ) );
 816     MSI_RecordSetStringW( uirow, 9, MSI_RecordGetString( row, 5 ) );
 817     ui_actiondata( package, szRemoveDuplicateFiles, uirow );
 818     msiobj_release( &uirow->hdr );
 819
 820     msi_free(dest);
 821     return ERROR_SUCCESS;
 822 }
 823
 824 UINT ACTION_RemoveDuplicateFiles( MSIPACKAGE *package )
 825 {
 826     UINT rc;
 827     MSIQUERY *view;
 828     static const WCHAR query[] =
 829         {'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
 830          '`','D','u','p','l','i','c','a','t','e','F','i','l','e','`',0};
 831
 832     rc = MSI_DatabaseOpenViewW( package->db, query, &view );
 833     if (rc != ERROR_SUCCESS)
 834         return ERROR_SUCCESS;
 835
 836     rc = MSI_IterateRecords( view, NULL, ITERATE_RemoveDuplicateFiles, package );
 837     msiobj_release( &view->hdr );
 838
 839     return rc;
 840 }
 841
 842 static BOOL verify_comp_for_removal(MSICOMPONENT *comp, UINT install_mode)
 843 {
 844     INSTALLSTATE request = comp->ActionRequest;
 845
 846     if (request == INSTALLSTATE_UNKNOWN)
 847         return FALSE;
 848
 849     if (install_mode == msidbRemoveFileInstallModeOnInstall &&
 850         (request == INSTALLSTATE_LOCAL || request == INSTALLSTATE_SOURCE))
 851         return TRUE;
 852
 853     if (request == INSTALLSTATE_ABSENT)
 854     {
 855         if (!comp->ComponentId)
 856             return FALSE;
 857
 858         if (install_mode == msidbRemoveFileInstallModeOnRemove)
 859             return TRUE;
 860     }
 861
 862     if (install_mode == msidbRemoveFileInstallModeOnBoth)
 863         return TRUE;
 864
 865     return FALSE;
 866 }
 867
 868 static UINT ITERATE_RemoveFiles(MSIRECORD *row, LPVOID param)
 869 {
 870     MSIPACKAGE *package = param;
 871     MSICOMPONENT *comp;
 872     MSIRECORD *uirow;
 873     LPCWSTR component, filename, dirprop;
 874     UINT install_mode;
 875     LPWSTR dir = NULL, path = NULL;
 876     DWORD size;
 877     UINT ret = ERROR_SUCCESS;
 878
 879     component = MSI_RecordGetString(row, 2);
 880     filename = MSI_RecordGetString(row, 3);
 881     dirprop = MSI_RecordGetString(row, 4);
 882     install_mode = MSI_RecordGetInteger(row, 5);
 883
 884     comp = get_loaded_component(package, component);
 885     if (!comp)
 886     {
 887         ERR("Invalid component: %s\n", debugstr_w(component));
 888         return ERROR_FUNCTION_FAILED;
 889     }
 890
 891     if (!verify_comp_for_removal(comp, install_mode))
 892     {
 893         TRACE("Skipping removal due to missing conditions\n");
 894         comp->Action = comp->Installed;
 895         return ERROR_SUCCESS;
 896     }
 897
 898     dir = msi_dup_property(package->db, dirprop);
 899     if (!dir)
 900         return ERROR_OUTOFMEMORY;
 901
 902     size = (filename != NULL) ? lstrlenW(filename) : 0;
 903     size += lstrlenW(dir) + 2;
 904     path = msi_alloc(size * sizeof(WCHAR));
 905     if (!path)
 906     {
 907         ret = ERROR_OUTOFMEMORY;
 908         goto done;
 909     }
 910
 911     if (filename)
 912     {
 913         lstrcpyW(path, dir);
 914         PathAddBackslashW(path);
 915         lstrcatW(path, filename);
 916
 917         TRACE("Deleting misc file: %s\n", debugstr_w(path));
 918         DeleteFileW(path);
 919     }
 920     else
 921     {
 922         TRACE("Removing misc directory: %s\n", debugstr_w(dir));
 923         RemoveDirectoryW(dir);
 924     }
 925
 926 done:
 927     uirow = MSI_CreateRecord( 9 );
 928     MSI_RecordSetStringW( uirow, 1, MSI_RecordGetString(row, 1) );
 929     MSI_RecordSetStringW( uirow, 9, dir );
 930     ui_actiondata( package, szRemoveFiles, uirow );
 931     msiobj_release( &uirow->hdr );
 932
 933     msi_free(path);
 934     msi_free(dir);
 935     return ret;
 936 }
 937
 938 UINT ACTION_RemoveFiles( MSIPACKAGE *package )
 939 {
 940     MSIQUERY *view;
 941     MSIFILE *file;
 942     UINT r;
 943
 944     static const WCHAR query[] = {
 945         'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
 946         '`','R','e','m','o','v','e','F','i','l','e','`',0};
 947     static const WCHAR folder_query[] = {
 948         'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
 949         '`','C','r','e','a','t','e','F','o','l','d','e','r','`',0};
 950
 951     r = MSI_DatabaseOpenViewW(package->db, query, &view);
 952     if (r == ERROR_SUCCESS)
 953     {
 954         MSI_IterateRecords(view, NULL, ITERATE_RemoveFiles, package);
 955         msiobj_release(&view->hdr);
 956     }
 957
 958     r = MSI_DatabaseOpenViewW(package->db, folder_query, &view);
 959     if (r == ERROR_SUCCESS)
 960         msiobj_release(&view->hdr);
 961
 962     LIST_FOR_EACH_ENTRY( file, &package->files, MSIFILE, entry )
 963     {
 964         MSIRECORD *uirow;
 965         LPWSTR dir, p;
 966         VS_FIXEDFILEINFO *ver;
 967
 968         if ( file->state == msifs_installed )
 969             ERR("removing installed file %s\n", debugstr_w(file->TargetPath));
 970
 971         if ( file->Component->ActionRequest != INSTALLSTATE_ABSENT ||
 972              file->Component->Installed == INSTALLSTATE_SOURCE )
 973             continue;
 974
 975         if (file->Version)
 976         {
 977             ver = msi_get_disk_file_version( file->TargetPath );
 978             if (ver && msi_compare_file_versions( ver, file->Version ) > 0)
 979             {
 980                 TRACE("newer version detected, not removing file\n");
 981                 msi_free( ver );
 982                 continue;
 983             }
 984             msi_free( ver );
 985         }
 986
 987         TRACE("removing %s\n", debugstr_w(file->File) );
 988         if (!DeleteFileW( file->TargetPath ))
 989         {
 990             WARN("failed to delete %s\n",  debugstr_w(file->TargetPath));
 991         }
 992         /* FIXME: check persistence for each directory */
 993         else if (r && (dir = strdupW( file->TargetPath )))
 994         {
 995             if ((p = strrchrW( dir, '\\' ))) *p = 0;
 996             RemoveDirectoryW( dir );
 997             msi_free( dir );
 998         }
 999         file->state = msifs_missing;
1000
1001         uirow = MSI_CreateRecord( 9 );
1002         MSI_RecordSetStringW( uirow, 1, file->FileName );
1003         MSI_RecordSetStringW( uirow, 9, file->Component->Directory );
1004         ui_actiondata( package, szRemoveFiles, uirow );
1005         msiobj_release( &uirow->hdr );
1006         /* FIXME: call ui_progress here? */
1007     }
1008
1009     return ERROR_SUCCESS;
1010 }