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 (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 volume_label;
  66     BOOL is_continuous;
  67     BOOL is_extracted;
  68     WCHAR source[MAX_PATH];
  69 };
  70
  71 static BOOL source_matches_volume(struct media_info *mi, LPWSTR source_root)
  72 {
  73     WCHAR volume_name[MAX_PATH + 1];
  74
  75     if (!GetVolumeInformationW(source_root, volume_name, MAX_PATH + 1,
  76                                NULL, NULL, NULL, NULL, 0))
  77     {
  78         ERR("Failed to get volume information\n");
  79         return FALSE;
  80     }
  81
  82     return !lstrcmpW(mi->volume_label, volume_name);
  83 }
  84
  85 static UINT msi_change_media( MSIPACKAGE *package, struct media_info *mi )
  86 {
  87     LPSTR msg;
  88     LPWSTR error, error_dialog;
  89     LPWSTR source_dir;
  90     UINT r = ERROR_SUCCESS;
  91
  92     static const WCHAR szUILevel[] = {'U','I','L','e','v','e','l',0};
  93     static const WCHAR error_prop[] = {'E','r','r','o','r','D','i','a','l','o','g',0};
  94
  95     if ( (msi_get_property_int(package, szUILevel, 0) & INSTALLUILEVEL_MASK) == INSTALLUILEVEL_NONE && !gUIHandlerA )
  96         return ERROR_SUCCESS;
  97
  98     error = generate_error_string( package, 1302, 1, mi->disk_prompt );
  99     error_dialog = msi_dup_property( package, error_prop );
 100     source_dir = msi_dup_property( package, cszSourceDir );
 101     PathStripToRootW(source_dir);
 102
 103     while ( r == ERROR_SUCCESS &&
 104             !source_matches_volume(mi, source_dir) )
 105     {
 106         r = msi_spawn_error_dialog( package, error_dialog, error );
 107
 108         if (gUIHandlerA)
 109         {
 110             msg = strdupWtoA( error );
 111             gUIHandlerA( gUIContext, MB_RETRYCANCEL | INSTALLMESSAGE_ERROR, msg );
 112             msi_free(msg);
 113         }
 114     }
 115
 116     msi_free( error );
 117     msi_free( error_dialog );
 118     msi_free( source_dir );
 119
 120     return r;
 121 }
 122
 123 /*
 124  * This is a helper function for handling embedded cabinet media
 125  */
 126 static UINT writeout_cabinet_stream(MSIPACKAGE *package, LPCWSTR stream_name,
 127                                     WCHAR* source)
 128 {
 129     UINT rc;
 130     USHORT* data;
 131     UINT    size;
 132     DWORD   write;
 133     HANDLE  the_file;
 134     WCHAR tmp[MAX_PATH];
 135
 136     rc = read_raw_stream_data(package->db,stream_name,&data,&size);
 137     if (rc != ERROR_SUCCESS)
 138         return rc;
 139
 140     write = MAX_PATH;
 141     if (MSI_GetPropertyW(package, cszTempFolder, tmp, &write))
 142         GetTempPathW(MAX_PATH,tmp);
 143
 144     GetTempFileNameW(tmp,stream_name,0,source);
 145
 146     track_tempfile(package, source);
 147     the_file = CreateFileW(source, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS,
 148                            FILE_ATTRIBUTE_NORMAL, NULL);
 149
 150     if (the_file == INVALID_HANDLE_VALUE)
 151     {
 152         ERR("Unable to create file %s\n",debugstr_w(source));
 153         rc = ERROR_FUNCTION_FAILED;
 154         goto end;
 155     }
 156
 157     WriteFile(the_file,data,size,&write,NULL);
 158     CloseHandle(the_file);
 159     TRACE("wrote %i bytes to %s\n",write,debugstr_w(source));
 160 end:
 161     msi_free(data);
 162     return rc;
 163 }
 164
 165
 166 /* Support functions for FDI functions */
 167 typedef struct
 168 {
 169     MSIPACKAGE* package;
 170     struct media_info *mi;
 171 } CabData;
 172
 173 static void * cabinet_alloc(ULONG cb)
 174 {
 175     return msi_alloc(cb);
 176 }
 177
 178 static void cabinet_free(void *pv)
 179 {
 180     msi_free(pv);
 181 }
 182
 183 static INT_PTR cabinet_open(char *pszFile, int oflag, int pmode)
 184 {
 185     HANDLE handle;
 186     DWORD dwAccess = 0;
 187     DWORD dwShareMode = 0;
 188     DWORD dwCreateDisposition = OPEN_EXISTING;
 189     switch (oflag & _O_ACCMODE)
 190     {
 191     case _O_RDONLY:
 192         dwAccess = GENERIC_READ;
 193         dwShareMode = FILE_SHARE_READ | FILE_SHARE_DELETE;
 194         break;
 195     case _O_WRONLY:
 196         dwAccess = GENERIC_WRITE;
 197         dwShareMode = FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE;
 198         break;
 199     case _O_RDWR:
 200         dwAccess = GENERIC_READ | GENERIC_WRITE;
 201         dwShareMode = FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE;
 202         break;
 203     }
 204     if ((oflag & (_O_CREAT | _O_EXCL)) == (_O_CREAT | _O_EXCL))
 205         dwCreateDisposition = CREATE_NEW;
 206     else if (oflag & _O_CREAT)
 207         dwCreateDisposition = CREATE_ALWAYS;
 208     handle = CreateFileA( pszFile, dwAccess, dwShareMode, NULL,
 209                           dwCreateDisposition, 0, NULL );
 210     if (handle == INVALID_HANDLE_VALUE)
 211         return 0;
 212     return (INT_PTR) handle;
 213 }
 214
 215 static UINT cabinet_read(INT_PTR hf, void *pv, UINT cb)
 216 {
 217     HANDLE handle = (HANDLE) hf;
 218     DWORD dwRead;
 219     if (ReadFile(handle, pv, cb, &dwRead, NULL))
 220         return dwRead;
 221     return 0;
 222 }
 223
 224 static UINT cabinet_write(INT_PTR hf, void *pv, UINT cb)
 225 {
 226     HANDLE handle = (HANDLE) hf;
 227     DWORD dwWritten;
 228     if (WriteFile(handle, pv, cb, &dwWritten, NULL))
 229         return dwWritten;
 230     return 0;
 231 }
 232
 233 static int cabinet_close(INT_PTR hf)
 234 {
 235     HANDLE handle = (HANDLE) hf;
 236     return CloseHandle(handle) ? 0 : -1;
 237 }
 238
 239 static long cabinet_seek(INT_PTR hf, long dist, int seektype)
 240 {
 241     HANDLE handle = (HANDLE) hf;
 242     /* flags are compatible and so are passed straight through */
 243     return SetFilePointer(handle, dist, NULL, seektype);
 244 }
 245
 246 static void msi_file_update_ui( MSIPACKAGE *package, MSIFILE *f, const WCHAR *action )
 247 {
 248     MSIRECORD *uirow;
 249     LPWSTR uipath, p;
 250
 251     /* the UI chunk */
 252     uirow = MSI_CreateRecord( 9 );
 253     MSI_RecordSetStringW( uirow, 1, f->FileName );
 254     uipath = strdupW( f->TargetPath );
 255     p = strrchrW(uipath,'\\');
 256     if (p)
 257         p[1]=0;
 258     MSI_RecordSetStringW( uirow, 9, uipath);
 259     MSI_RecordSetInteger( uirow, 6, f->FileSize );
 260     ui_actiondata( package, action, uirow);
 261     msiobj_release( &uirow->hdr );
 262     msi_free( uipath );
 263     ui_progress( package, 2, f->FileSize, 0, 0);
 264 }
 265
 266 static UINT msi_media_get_disk_info( MSIPACKAGE *package, struct media_info *mi )
 267 {
 268     MSIRECORD *row;
 269     LPWSTR ptr;
 270
 271     static const WCHAR query[] =
 272         {'S','E','L','E','C','T',' ','*',' ', 'F','R','O','M',' ',
 273          '`','M','e','d','i','a','`',' ','W','H','E','R','E',' ',
 274          '`','D','i','s','k','I','d','`',' ','=',' ','%','i',0};
 275
 276     row = MSI_QueryGetRecord(package->db, query, mi->disk_id);
 277     if (!row)
 278     {
 279         TRACE("Unable to query row\n");
 280         return ERROR_FUNCTION_FAILED;
 281     }
 282
 283     mi->disk_prompt = strdupW(MSI_RecordGetString(row, 3));
 284     mi->cabinet = strdupW(MSI_RecordGetString(row, 4));
 285     mi->volume_label = strdupW(MSI_RecordGetString(row, 5));
 286
 287     ptr = strrchrW(mi->source, '\\') + 1;
 288     lstrcpyW(ptr, mi->cabinet);
 289     msiobj_release(&row->hdr);
 290
 291     return ERROR_SUCCESS;
 292 }
 293
 294 static INT_PTR cabinet_notify(FDINOTIFICATIONTYPE fdint, PFDINOTIFICATION pfdin)
 295 {
 296     TRACE("(%d)\n", fdint);
 297
 298     switch (fdint)
 299     {
 300     case fdintPARTIAL_FILE:
 301     {
 302         CabData *data = (CabData *)pfdin->pv;
 303         data->mi->is_continuous = FALSE;
 304         return 0;
 305     }
 306     case fdintNEXT_CABINET:
 307     {
 308         CabData *data = (CabData *)pfdin->pv;
 309         struct media_info *mi = data->mi;
 310         LPWSTR cab = strdupAtoW(pfdin->psz1);
 311         UINT rc;
 312
 313         msi_free(mi->disk_prompt);
 314         msi_free(mi->cabinet);
 315         msi_free(mi->volume_label);
 316
 317         mi->disk_id++;
 318         mi->is_continuous = TRUE;
 319
 320         rc = msi_media_get_disk_info(data->package, mi);
 321         if (rc != ERROR_SUCCESS)
 322         {
 323             ERR("Failed to get next cabinet information: %d\n", rc);
 324             return -1;
 325         }
 326
 327         if (lstrcmpiW(mi->cabinet, cab))
 328         {
 329             msi_free(cab);
 330             ERR("Continuous cabinet does not match the next cabinet in the Media table\n");
 331             return -1;
 332         }
 333
 334         msi_free(cab);
 335
 336         TRACE("Searching for %s\n", debugstr_w(mi->source));
 337
 338         if (GetFileAttributesW(mi->source) == INVALID_FILE_ATTRIBUTES)
 339             rc = msi_change_media(data->package, mi);
 340
 341         if (rc != ERROR_SUCCESS)
 342             return -1;
 343
 344         return 0;
 345     }
 346     case fdintCOPY_FILE:
 347     {
 348         CabData *data = (CabData*) pfdin->pv;
 349         HANDLE handle;
 350         LPWSTR file;
 351         MSIFILE *f;
 352         DWORD attrs;
 353
 354         file = strdupAtoW(pfdin->psz1);
 355         f = get_loaded_file(data->package, file);
 356         msi_free(file);
 357
 358         if (!f)
 359         {
 360             WARN("unknown file in cabinet (%s)\n",debugstr_a(pfdin->psz1));
 361             return 0;
 362         }
 363
 364         if (f->state != msifs_missing && f->state != msifs_overwrite)
 365         {
 366             TRACE("Skipping extraction of %s\n",debugstr_a(pfdin->psz1));
 367             return 0;
 368         }
 369
 370         msi_file_update_ui( data->package, f, szInstallFiles );
 371
 372         TRACE("extracting %s\n", debugstr_w(f->TargetPath) );
 373
 374         attrs = f->Attributes & (FILE_ATTRIBUTE_READONLY|FILE_ATTRIBUTE_HIDDEN|FILE_ATTRIBUTE_SYSTEM);
 375         if (!attrs) attrs = FILE_ATTRIBUTE_NORMAL;
 376
 377         handle = CreateFileW( f->TargetPath, GENERIC_READ | GENERIC_WRITE, 0,
 378                               NULL, CREATE_ALWAYS, attrs, NULL );
 379         if ( handle == INVALID_HANDLE_VALUE )
 380         {
 381             if ( GetFileAttributesW( f->TargetPath ) != INVALID_FILE_ATTRIBUTES )
 382                 f->state = msifs_installed;
 383             else
 384                 ERR("failed to create %s (error %d)\n",
 385                     debugstr_w( f->TargetPath ), GetLastError() );
 386
 387             return 0;
 388         }
 389
 390         f->state = msifs_installed;
 391         return (INT_PTR) handle;
 392     }
 393     case fdintCLOSE_FILE_INFO:
 394     {
 395         FILETIME ft;
 396         FILETIME ftLocal;
 397         HANDLE handle = (HANDLE) pfdin->hf;
 398
 399         if (!DosDateTimeToFileTime(pfdin->date, pfdin->time, &ft))
 400             return -1;
 401         if (!LocalFileTimeToFileTime(&ft, &ftLocal))
 402             return -1;
 403         if (!SetFileTime(handle, &ftLocal, 0, &ftLocal))
 404             return -1;
 405         CloseHandle(handle);
 406         return 1;
 407     }
 408     default:
 409         return 0;
 410     }
 411 }
 412
 413 /***********************************************************************
 414  *            extract_cabinet_file
 415  *
 416  * Extract files from a cab file.
 417  */
 418 static BOOL extract_cabinet_file(MSIPACKAGE* package, struct media_info *mi)
 419 {
 420     LPSTR cabinet, cab_path = NULL;
 421     LPWSTR ptr;
 422     HFDI hfdi;
 423     ERF erf;
 424     BOOL ret = FALSE;
 425     CabData data;
 426
 427     TRACE("Extracting %s\n", debugstr_w(mi->source));
 428
 429     hfdi = FDICreate(cabinet_alloc, cabinet_free, cabinet_open, cabinet_read,
 430                      cabinet_write, cabinet_close, cabinet_seek, 0, &erf);
 431     if (!hfdi)
 432     {
 433         ERR("FDICreate failed\n");
 434         return FALSE;
 435     }
 436
 437     ptr = strrchrW(mi->source, '\\') + 1;
 438     cabinet = strdupWtoA(ptr);
 439     if (!cabinet)
 440         goto done;
 441
 442     cab_path = strdupWtoA(mi->source);
 443     if (!cab_path)
 444         goto done;
 445
 446     cab_path[ptr - mi->source] = '\0';
 447
 448     data.package = package;
 449     data.mi = mi;
 450
 451     ret = FDICopy(hfdi, cabinet, cab_path, 0, cabinet_notify, NULL, &data);
 452     if (!ret)
 453         ERR("FDICopy failed\n");
 454
 455 done:
 456     FDIDestroy(hfdi);
 457     msi_free(cabinet);
 458     msi_free(cab_path);
 459
 460     if (ret)
 461         mi->is_extracted = TRUE;
 462
 463     return ret;
 464 }
 465
 466 static VOID set_file_source(MSIPACKAGE* package, MSIFILE* file, LPCWSTR path)
 467 {
 468     if (!file->IsCompressed)
 469     {
 470         LPWSTR p, path;
 471         p = resolve_folder(package, file->Component->Directory, TRUE, FALSE, TRUE, NULL);
 472         path = build_directory_name(2, p, file->ShortName);
 473         if (file->LongName &&
 474             INVALID_FILE_ATTRIBUTES == GetFileAttributesW( path ))
 475         {
 476             msi_free(path);
 477             path = build_directory_name(2, p, file->LongName);
 478         }
 479         file->SourcePath = path;
 480         msi_free(p);
 481     }
 482     else
 483         file->SourcePath = build_directory_name(2, path, file->File);
 484 }
 485
 486 static void free_media_info( struct media_info *mi )
 487 {
 488     msi_free( mi->disk_prompt );
 489     msi_free( mi->cabinet );
 490     msi_free( mi->volume_label );
 491     msi_free( mi );
 492 }
 493
 494 static UINT download_remote_cabinet(MSIPACKAGE *package, struct media_info *mi)
 495 {
 496     WCHAR temppath[MAX_PATH];
 497     LPWSTR src, ptr;
 498     LPCWSTR cab;
 499
 500     src = strdupW(package->BaseURL);
 501     if (!src)
 502         return ERROR_OUTOFMEMORY;
 503
 504     ptr = strrchrW(src, '/');
 505     if (!ptr)
 506     {
 507         msi_free(src);
 508         return ERROR_FUNCTION_FAILED;
 509     }
 510
 511     *(ptr + 1) = '\0';
 512     ptr = strrchrW(mi->source, '\\');
 513     if (!ptr)
 514         ptr = mi->source;
 515
 516     src = msi_realloc(src, (lstrlenW(src) + lstrlenW(ptr)) * sizeof(WCHAR));
 517     if (!src)
 518         return ERROR_OUTOFMEMORY;
 519
 520     lstrcatW(src, ptr + 1);
 521
 522     temppath[0] = '\0';
 523     cab = msi_download_file(src, temppath);
 524     lstrcpyW(mi->source, cab);
 525
 526     msi_free(src);
 527     return ERROR_SUCCESS;
 528 }
 529
 530 static UINT load_media_info(MSIPACKAGE *package, MSIFILE *file, struct media_info *mi)
 531 {
 532     MSIRECORD *row;
 533     LPWSTR source_dir;
 534     UINT r;
 535
 536     static const WCHAR query[] = {
 537         'S','E','L','E','C','T',' ','*',' ', 'F','R','O','M',' ',
 538         '`','M','e','d','i','a','`',' ','W','H','E','R','E',' ',
 539         '`','L','a','s','t','S','e','q','u','e','n','c','e','`',' ','>','=',
 540         ' ','%','i',' ','A','N','D',' ','`','D','i','s','k','I','d','`',' ','>','=',
 541         ' ','%','i',' ','O','R','D','E','R',' ','B','Y',' ',
 542         '`','D','i','s','k','I','d','`',0
 543     };
 544
 545     row = MSI_QueryGetRecord(package->db, query, file->Sequence, mi->disk_id);
 546     if (!row)
 547     {
 548         TRACE("Unable to query row\n");
 549         return ERROR_FUNCTION_FAILED;
 550     }
 551
 552     mi->is_extracted = FALSE;
 553     mi->disk_id = MSI_RecordGetInteger(row, 1);
 554     mi->last_sequence = MSI_RecordGetInteger(row, 2);
 555     msi_free(mi->disk_prompt);
 556     mi->disk_prompt = strdupW(MSI_RecordGetString(row, 3));
 557     msi_free(mi->cabinet);
 558     mi->cabinet = strdupW(MSI_RecordGetString(row, 4));
 559     msi_free(mi->volume_label);
 560     mi->volume_label = strdupW(MSI_RecordGetString(row, 5));
 561     msiobj_release(&row->hdr);
 562
 563     source_dir = msi_dup_property(package, cszSourceDir);
 564
 565     if (mi->cabinet && mi->cabinet[0] == '#')
 566     {
 567         r = writeout_cabinet_stream(package, &mi->cabinet[1], mi->source);
 568         if (r != ERROR_SUCCESS)
 569         {
 570             ERR("Failed to extract cabinet stream\n");
 571             return ERROR_FUNCTION_FAILED;
 572         }
 573     }
 574     else
 575     {
 576         lstrcpyW(mi->source, source_dir);
 577
 578
 579         if (mi->cabinet)
 580             lstrcatW(mi->source, mi->cabinet);
 581     }
 582
 583     MsiSourceListAddMediaDiskW(package->ProductCode, NULL,
 584         MSIINSTALLCONTEXT_USERMANAGED, MSICODE_PRODUCT,
 585         mi->disk_id, mi->volume_label, mi->disk_prompt);
 586
 587     MsiSourceListSetInfoW(package->ProductCode, NULL,
 588         MSIINSTALLCONTEXT_USERMANAGED,
 589         MSICODE_PRODUCT | MSISOURCETYPE_MEDIA,
 590         INSTALLPROPERTY_LASTUSEDSOURCEW, mi->source);
 591
 592     msi_free(source_dir);
 593     return ERROR_SUCCESS;
 594 }
 595
 596 static UINT ready_media(MSIPACKAGE *package, MSIFILE *file, struct media_info *mi)
 597 {
 598     UINT rc = ERROR_SUCCESS, type;
 599     BOOL found = TRUE;
 600     LPWSTR source_dir;
 601
 602     /* media info for continuous cabinet is already loaded */
 603     if (mi->is_continuous)
 604         return ERROR_SUCCESS;
 605
 606     rc = load_media_info(package, file, mi);
 607     if (rc != ERROR_SUCCESS)
 608     {
 609         ERR("Unable to load media info\n");
 610         return ERROR_FUNCTION_FAILED;
 611     }
 612
 613     if (mi->volume_label && mi->disk_id > 1)
 614     {
 615         source_dir = msi_dup_property(package, cszSourceDir);
 616         PathStripToRootW(source_dir);
 617         type = GetDriveTypeW(source_dir);
 618
 619         if (type == DRIVE_CDROM || type == DRIVE_REMOVABLE)
 620             found = source_matches_volume(mi, source_dir);
 621
 622         if (!found)
 623             found = GetFileAttributesW(mi->cabinet) != INVALID_FILE_ATTRIBUTES;
 624
 625         msi_free(source_dir);
 626     }
 627
 628     if (file->IsCompressed &&
 629         GetFileAttributesW(mi->source) == INVALID_FILE_ATTRIBUTES)
 630     {
 631         found = FALSE;
 632
 633         if (package->BaseURL && UrlIsW(package->BaseURL, URLIS_URL))
 634         {
 635             rc = download_remote_cabinet(package, mi);
 636             if (rc == ERROR_SUCCESS &&
 637                 GetFileAttributesW(mi->source) != INVALID_FILE_ATTRIBUTES)
 638             {
 639                 found = TRUE;
 640             }
 641         }
 642     }
 643
 644     if (!found)
 645         rc = msi_change_media(package, mi);
 646
 647     return rc;
 648 }
 649
 650 static UINT get_file_target(MSIPACKAGE *package, LPCWSTR file_key,
 651                             MSIFILE** file)
 652 {
 653     LIST_FOR_EACH_ENTRY( *file, &package->files, MSIFILE, entry )
 654     {
 655         if (lstrcmpW( file_key, (*file)->File )==0)
 656         {
 657             if ((*file)->state >= msifs_overwrite)
 658                 return ERROR_SUCCESS;
 659             else
 660                 return ERROR_FILE_NOT_FOUND;
 661         }
 662     }
 663
 664     return ERROR_FUNCTION_FAILED;
 665 }
 666
 667 static void schedule_install_files(MSIPACKAGE *package)
 668 {
 669     MSIFILE *file;
 670
 671     LIST_FOR_EACH_ENTRY(file, &package->files, MSIFILE, entry)
 672     {
 673         if (!ACTION_VerifyComponentForAction(file->Component, INSTALLSTATE_LOCAL))
 674         {
 675             TRACE("File %s is not scheduled for install\n", debugstr_w(file->File));
 676
 677             ui_progress(package,2,file->FileSize,0,0);
 678             file->state = msifs_skipped;
 679         }
 680     }
 681 }
 682
 683 static UINT copy_file(MSIFILE *file)
 684 {
 685     BOOL ret;
 686
 687     ret = CopyFileW(file->SourcePath, file->TargetPath, FALSE);
 688     if (ret)
 689     {
 690         file->state = msifs_installed;
 691         return ERROR_SUCCESS;
 692     }
 693
 694     return GetLastError();
 695 }
 696
 697 static UINT copy_install_file(MSIFILE *file)
 698 {
 699     UINT gle;
 700
 701     TRACE("Copying %s to %s\n", debugstr_w(file->SourcePath),
 702           debugstr_w(file->TargetPath));
 703
 704     gle = copy_file(file);
 705     if (gle == ERROR_SUCCESS)
 706         return gle;
 707
 708     if (gle == ERROR_ALREADY_EXISTS && file->state == msifs_overwrite)
 709     {
 710         TRACE("overwriting existing file\n");
 711         gle = ERROR_SUCCESS;
 712     }
 713     else if (gle == ERROR_FILE_NOT_FOUND)
 714     {
 715         /* FIXME: this needs to be tested, I'm pretty sure it fails */
 716         TRACE("Source file not found\n");
 717         gle = ERROR_SUCCESS;
 718     }
 719     else if (gle == ERROR_ACCESS_DENIED)
 720     {
 721         SetFileAttributesW(file->TargetPath, FILE_ATTRIBUTE_NORMAL);
 722
 723         gle = copy_file(file);
 724         TRACE("Overwriting existing file: %d\n", gle);
 725     }
 726     else if (!(file->Attributes & msidbFileAttributesVital))
 727     {
 728         TRACE("Ignoring error for nonvital\n");
 729         gle = ERROR_SUCCESS;
 730     }
 731
 732     return gle;
 733 }
 734
 735 /*
 736  * ACTION_InstallFiles()
 737  *
 738  * For efficiency, this is done in two passes:
 739  * 1) Correct all the TargetPaths and determine what files are to be installed.
 740  * 2) Extract Cabinets and copy files.
 741  */
 742 UINT ACTION_InstallFiles(MSIPACKAGE *package)
 743 {
 744     struct media_info *mi;
 745     UINT rc = ERROR_SUCCESS;
 746     LPWSTR ptr;
 747     MSIFILE *file;
 748
 749     /* increment progress bar each time action data is sent */
 750     ui_progress(package,1,1,0,0);
 751
 752     /* handle the keys for the SourceList */
 753     ptr = strrchrW(package->PackagePath,'\\');
 754     if (ptr)
 755     {
 756         ptr++;
 757         MsiSourceListSetInfoW(package->ProductCode, NULL,
 758                 MSIINSTALLCONTEXT_USERMANAGED,
 759                 MSICODE_PRODUCT,
 760                 INSTALLPROPERTY_PACKAGENAMEW, ptr);
 761     }
 762
 763     schedule_install_files(package);
 764
 765     /*
 766      * Despite MSDN specifying that the CreateFolders action
 767      * should be called before InstallFiles, some installers don't
 768      * do that, and they seem to work correctly.  We need to create
 769      * directories here to make sure that the files can be copied.
 770      */
 771     msi_create_component_directories( package );
 772
 773     mi = msi_alloc_zero( sizeof(struct media_info) );
 774
 775     LIST_FOR_EACH_ENTRY( file, &package->files, MSIFILE, entry )
 776     {
 777         if (file->state != msifs_missing && !mi->is_continuous && file->state != msifs_overwrite)
 778             continue;
 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                 rc = ERROR_FUNCTION_FAILED;
 788                 break;
 789             }
 790
 791             if (file->IsCompressed && !extract_cabinet_file(package, mi))
 792             {
 793                 ERR("Failed to extract cabinet: %s\n", debugstr_w(mi->cabinet));
 794                 rc = ERROR_FUNCTION_FAILED;
 795                 break;
 796             }
 797         }
 798
 799         set_file_source(package, file, mi->source);
 800
 801         TRACE("file paths %s to %s\n",debugstr_w(file->SourcePath),
 802               debugstr_w(file->TargetPath));
 803
 804         if (!file->IsCompressed)
 805         {
 806             msi_file_update_ui(package, file, szInstallFiles);
 807             rc = copy_install_file(file);
 808             if (rc != ERROR_SUCCESS)
 809             {
 810                 ERR("Failed to copy %s to %s (%d)\n", debugstr_w(file->SourcePath),
 811                     debugstr_w(file->TargetPath), rc);
 812                 rc = ERROR_INSTALL_FAILURE;
 813                 break;
 814             }
 815         }
 816         else if (file->state != msifs_installed)
 817         {
 818             ERR("compressed file wasn't extracted (%s)\n", debugstr_w(file->TargetPath));
 819             rc = ERROR_INSTALL_FAILURE;
 820             break;
 821         }
 822     }
 823
 824     free_media_info( mi );
 825     return rc;
 826 }
 827
 828 static UINT ITERATE_DuplicateFiles(MSIRECORD *row, LPVOID param)
 829 {
 830     MSIPACKAGE *package = (MSIPACKAGE*)param;
 831     WCHAR dest_name[0x100];
 832     LPWSTR dest_path, dest;
 833     LPCWSTR file_key, component;
 834     DWORD sz;
 835     DWORD rc;
 836     MSICOMPONENT *comp;
 837     MSIFILE *file;
 838
 839     component = MSI_RecordGetString(row,2);
 840     comp = get_loaded_component(package,component);
 841
 842     if (!ACTION_VerifyComponentForAction( comp, INSTALLSTATE_LOCAL ))
 843     {
 844         TRACE("Skipping copy due to disabled component %s\n",
 845                         debugstr_w(component));
 846
 847         /* the action taken was the same as the current install state */
 848         comp->Action = comp->Installed;
 849
 850         return ERROR_SUCCESS;
 851     }
 852
 853     comp->Action = INSTALLSTATE_LOCAL;
 854
 855     file_key = MSI_RecordGetString(row,3);
 856     if (!file_key)
 857     {
 858         ERR("Unable to get file key\n");
 859         return ERROR_FUNCTION_FAILED;
 860     }
 861
 862     rc = get_file_target(package,file_key,&file);
 863
 864     if (rc != ERROR_SUCCESS)
 865     {
 866         ERR("Original file unknown %s\n",debugstr_w(file_key));
 867         return ERROR_SUCCESS;
 868     }
 869
 870     if (MSI_RecordIsNull(row,4))
 871         strcpyW(dest_name,strrchrW(file->TargetPath,'\\')+1);
 872     else
 873     {
 874         sz=0x100;
 875         MSI_RecordGetStringW(row,4,dest_name,&sz);
 876         reduce_to_longfilename(dest_name);
 877     }
 878
 879     if (MSI_RecordIsNull(row,5))
 880     {
 881         LPWSTR p;
 882         dest_path = strdupW(file->TargetPath);
 883         p = strrchrW(dest_path,'\\');
 884         if (p)
 885             *p=0;
 886     }
 887     else
 888     {
 889         LPCWSTR destkey;
 890         destkey = MSI_RecordGetString(row,5);
 891         dest_path = resolve_folder(package, destkey, FALSE, FALSE, TRUE, NULL);
 892         if (!dest_path)
 893         {
 894             /* try a Property */
 895             dest_path = msi_dup_property( package, destkey );
 896             if (!dest_path)
 897             {
 898                 FIXME("Unable to get destination folder, try AppSearch properties\n");
 899                 return ERROR_SUCCESS;
 900             }
 901         }
 902     }
 903
 904     dest = build_directory_name(2, dest_path, dest_name);
 905
 906     TRACE("Duplicating file %s to %s\n",debugstr_w(file->TargetPath),
 907                     debugstr_w(dest));
 908
 909     CreateDirectoryW(dest_path, NULL);
 910
 911     if (strcmpW(file->TargetPath,dest))
 912         rc = !CopyFileW(file->TargetPath,dest,TRUE);
 913     else
 914         rc = ERROR_SUCCESS;
 915
 916     if (rc != ERROR_SUCCESS)
 917         ERR("Failed to copy file %s -> %s, last error %d\n",
 918             debugstr_w(file->TargetPath), debugstr_w(dest_path), GetLastError());
 919
 920     FIXME("We should track these duplicate files as well\n");
 921
 922     msi_free(dest_path);
 923     msi_free(dest);
 924
 925     msi_file_update_ui(package, file, szDuplicateFiles);
 926
 927     return ERROR_SUCCESS;
 928 }
 929
 930 UINT ACTION_DuplicateFiles(MSIPACKAGE *package)
 931 {
 932     UINT rc;
 933     MSIQUERY * view;
 934     static const WCHAR ExecSeqQuery[] =
 935         {'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
 936          '`','D','u','p','l','i','c','a','t','e','F','i','l','e','`',0};
 937
 938     rc = MSI_DatabaseOpenViewW(package->db, ExecSeqQuery, &view);
 939     if (rc != ERROR_SUCCESS)
 940         return ERROR_SUCCESS;
 941
 942     rc = MSI_IterateRecords(view, NULL, ITERATE_DuplicateFiles, package);
 943     msiobj_release(&view->hdr);
 944
 945     return rc;
 946 }
 947
 948 /* compares the version of a file read from the filesystem and
 949  * the version specified in the File table
 950  */
 951 static int msi_compare_file_version( MSIFILE *file )
 952 {
 953     WCHAR version[MAX_PATH];
 954     DWORD size;
 955     UINT r;
 956
 957     size = MAX_PATH;
 958     version[0] = '\0';
 959     r = MsiGetFileVersionW( file->TargetPath, version, &size, NULL, NULL );
 960     if ( r != ERROR_SUCCESS )
 961         return 0;
 962
 963     return lstrcmpW( version, file->Version );
 964 }
 965
 966 UINT ACTION_RemoveFiles( MSIPACKAGE *package )
 967 {
 968     MSIFILE *file;
 969
 970     LIST_FOR_EACH_ENTRY( file, &package->files, MSIFILE, entry )
 971     {
 972         MSIRECORD *uirow;
 973         LPWSTR uipath, p;
 974
 975         if ( !file->Component )
 976             continue;
 977         if ( file->Component->Installed == INSTALLSTATE_LOCAL )
 978             continue;
 979
 980         if ( file->state == msifs_installed )
 981             ERR("removing installed file %s\n", debugstr_w(file->TargetPath));
 982
 983         if ( file->state != msifs_present )
 984             continue;
 985
 986         /* only remove a file if the version to be installed
 987          * is strictly newer than the old file
 988          */
 989         if ( msi_compare_file_version( file ) >= 0 )
 990             continue;
 991
 992         TRACE("removing %s\n", debugstr_w(file->File) );
 993         if ( !DeleteFileW( file->TargetPath ) )
 994             ERR("failed to delete %s\n",  debugstr_w(file->TargetPath) );
 995         file->state = msifs_missing;
 996
 997         /* the UI chunk */
 998         uirow = MSI_CreateRecord( 9 );
 999         MSI_RecordSetStringW( uirow, 1, file->FileName );
1000         uipath = strdupW( file->TargetPath );
1001         p = strrchrW(uipath,'\\');
1002         if (p)
1003             p[1]=0;
1004         MSI_RecordSetStringW( uirow, 9, uipath);
1005         ui_actiondata( package, szRemoveFiles, uirow);
1006         msiobj_release( &uirow->hdr );
1007         msi_free( uipath );
1008         /* FIXME: call ui_progress here? */
1009     }
1010
1011     return ERROR_SUCCESS;
1012 }