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 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             ERR("Failed to get next cabinet information: %d\n", rc);
 331             return -1;
 332         }
 333
 334         if (lstrcmpiW(mi->cabinet, cab))
 335         {
 336             msi_free(cab);
 337             ERR("Continuous cabinet does not match the next cabinet in the Media table\n");
 338             return -1;
 339         }
 340
 341         msi_free(cab);
 342
 343         TRACE("Searching for %s\n", debugstr_w(mi->source));
 344
 345         if (GetFileAttributesW(mi->source) == INVALID_FILE_ATTRIBUTES)
 346             rc = msi_change_media(data->package, mi);
 347
 348         if (rc != ERROR_SUCCESS)
 349             return -1;
 350
 351         return 0;
 352     }
 353     case fdintCOPY_FILE:
 354     {
 355         CabData *data = (CabData*) pfdin->pv;
 356         HANDLE handle;
 357         LPWSTR file;
 358         MSIFILE *f;
 359         DWORD attrs;
 360
 361         file = strdupAtoW(pfdin->psz1);
 362         f = get_loaded_file(data->package, file);
 363         msi_free(file);
 364
 365         if (!f)
 366         {
 367             WARN("unknown file in cabinet (%s)\n",debugstr_a(pfdin->psz1));
 368             return 0;
 369         }
 370
 371         if (f->state != msifs_missing && f->state != msifs_overwrite)
 372         {
 373             TRACE("Skipping extraction of %s\n",debugstr_a(pfdin->psz1));
 374             return 0;
 375         }
 376
 377         msi_file_update_ui( data->package, f, szInstallFiles );
 378
 379         TRACE("extracting %s\n", debugstr_w(f->TargetPath) );
 380
 381         attrs = f->Attributes & (FILE_ATTRIBUTE_READONLY|FILE_ATTRIBUTE_HIDDEN|FILE_ATTRIBUTE_SYSTEM);
 382         if (!attrs) attrs = FILE_ATTRIBUTE_NORMAL;
 383
 384         handle = CreateFileW( f->TargetPath, GENERIC_READ | GENERIC_WRITE, 0,
 385                               NULL, CREATE_ALWAYS, attrs, NULL );
 386         if ( handle == INVALID_HANDLE_VALUE )
 387         {
 388             if ( GetFileAttributesW( f->TargetPath ) != INVALID_FILE_ATTRIBUTES )
 389                 f->state = msifs_installed;
 390             else
 391                 ERR("failed to create %s (error %d)\n",
 392                     debugstr_w( f->TargetPath ), GetLastError() );
 393
 394             return 0;
 395         }
 396
 397         f->state = msifs_installed;
 398         return (INT_PTR) handle;
 399     }
 400     case fdintCLOSE_FILE_INFO:
 401     {
 402         FILETIME ft;
 403         FILETIME ftLocal;
 404         HANDLE handle = (HANDLE) pfdin->hf;
 405
 406         if (!DosDateTimeToFileTime(pfdin->date, pfdin->time, &ft))
 407             return -1;
 408         if (!LocalFileTimeToFileTime(&ft, &ftLocal))
 409             return -1;
 410         if (!SetFileTime(handle, &ftLocal, 0, &ftLocal))
 411             return -1;
 412         CloseHandle(handle);
 413         return 1;
 414     }
 415     default:
 416         return 0;
 417     }
 418 }
 419
 420 /***********************************************************************
 421  *            extract_cabinet_file
 422  *
 423  * Extract files from a cab file.
 424  */
 425 static BOOL extract_cabinet_file(MSIPACKAGE* package, struct media_info *mi)
 426 {
 427     LPSTR cabinet, cab_path = NULL;
 428     LPWSTR ptr;
 429     HFDI hfdi;
 430     ERF erf;
 431     BOOL ret = FALSE;
 432     CabData data;
 433
 434     TRACE("Extracting %s\n", debugstr_w(mi->source));
 435
 436     hfdi = FDICreate(cabinet_alloc, cabinet_free, cabinet_open, cabinet_read,
 437                      cabinet_write, cabinet_close, cabinet_seek, 0, &erf);
 438     if (!hfdi)
 439     {
 440         ERR("FDICreate failed\n");
 441         return FALSE;
 442     }
 443
 444     ptr = strrchrW(mi->source, '\\') + 1;
 445     cabinet = strdupWtoA(ptr);
 446     if (!cabinet)
 447         goto done;
 448
 449     cab_path = strdupWtoA(mi->source);
 450     if (!cab_path)
 451         goto done;
 452
 453     cab_path[ptr - mi->source] = '\0';
 454
 455     data.package = package;
 456     data.mi = mi;
 457
 458     ret = FDICopy(hfdi, cabinet, cab_path, 0, cabinet_notify, NULL, &data);
 459     if (!ret)
 460         ERR("FDICopy failed\n");
 461
 462 done:
 463     FDIDestroy(hfdi);
 464     msi_free(cabinet);
 465     msi_free(cab_path);
 466
 467     if (ret)
 468         mi->is_extracted = TRUE;
 469
 470     return ret;
 471 }
 472
 473 static VOID set_file_source(MSIPACKAGE* package, MSIFILE* file, LPCWSTR path)
 474 {
 475     if (!file->IsCompressed)
 476     {
 477         LPWSTR p, path;
 478         p = resolve_folder(package, file->Component->Directory, TRUE, FALSE, TRUE, NULL);
 479         path = build_directory_name(2, p, file->ShortName);
 480         if (file->LongName &&
 481             INVALID_FILE_ATTRIBUTES == GetFileAttributesW( path ))
 482         {
 483             msi_free(path);
 484             path = build_directory_name(2, p, file->LongName);
 485         }
 486         file->SourcePath = path;
 487         msi_free(p);
 488     }
 489     else
 490         file->SourcePath = build_directory_name(2, path, file->File);
 491 }
 492
 493 static void free_media_info( struct media_info *mi )
 494 {
 495     msi_free( mi->disk_prompt );
 496     msi_free( mi->cabinet );
 497     msi_free( mi->volume_label );
 498     msi_free( mi->first_volume );
 499     msi_free( mi );
 500 }
 501
 502 static UINT download_remote_cabinet(MSIPACKAGE *package, struct media_info *mi)
 503 {
 504     WCHAR temppath[MAX_PATH];
 505     LPWSTR src, ptr;
 506     LPCWSTR cab;
 507
 508     src = strdupW(package->BaseURL);
 509     if (!src)
 510         return ERROR_OUTOFMEMORY;
 511
 512     ptr = strrchrW(src, '/');
 513     if (!ptr)
 514     {
 515         msi_free(src);
 516         return ERROR_FUNCTION_FAILED;
 517     }
 518
 519     *(ptr + 1) = '\0';
 520     ptr = strrchrW(mi->source, '\\');
 521     if (!ptr)
 522         ptr = mi->source;
 523
 524     src = msi_realloc(src, (lstrlenW(src) + lstrlenW(ptr)) * sizeof(WCHAR));
 525     if (!src)
 526         return ERROR_OUTOFMEMORY;
 527
 528     lstrcatW(src, ptr + 1);
 529
 530     temppath[0] = '\0';
 531     cab = msi_download_file(src, temppath);
 532     lstrcpyW(mi->source, cab);
 533
 534     msi_free(src);
 535     return ERROR_SUCCESS;
 536 }
 537
 538 static UINT load_media_info(MSIPACKAGE *package, MSIFILE *file, struct media_info *mi)
 539 {
 540     MSIRECORD *row;
 541     LPWSTR source_dir;
 542     UINT r;
 543
 544     static const WCHAR query[] = {
 545         'S','E','L','E','C','T',' ','*',' ', 'F','R','O','M',' ',
 546         '`','M','e','d','i','a','`',' ','W','H','E','R','E',' ',
 547         '`','L','a','s','t','S','e','q','u','e','n','c','e','`',' ','>','=',
 548         ' ','%','i',' ','A','N','D',' ','`','D','i','s','k','I','d','`',' ','>','=',
 549         ' ','%','i',' ','O','R','D','E','R',' ','B','Y',' ',
 550         '`','D','i','s','k','I','d','`',0
 551     };
 552
 553     row = MSI_QueryGetRecord(package->db, query, file->Sequence, mi->disk_id);
 554     if (!row)
 555     {
 556         TRACE("Unable to query row\n");
 557         return ERROR_FUNCTION_FAILED;
 558     }
 559
 560     mi->is_extracted = FALSE;
 561     mi->disk_id = MSI_RecordGetInteger(row, 1);
 562     mi->last_sequence = MSI_RecordGetInteger(row, 2);
 563     msi_free(mi->disk_prompt);
 564     mi->disk_prompt = strdupW(MSI_RecordGetString(row, 3));
 565     msi_free(mi->cabinet);
 566     mi->cabinet = strdupW(MSI_RecordGetString(row, 4));
 567     msi_free(mi->volume_label);
 568     mi->volume_label = strdupW(MSI_RecordGetString(row, 5));
 569     msiobj_release(&row->hdr);
 570
 571     if (!mi->first_volume)
 572         mi->first_volume = strdupW(mi->volume_label);
 573
 574     source_dir = msi_dup_property(package, cszSourceDir);
 575
 576     if (mi->cabinet && mi->cabinet[0] == '#')
 577     {
 578         r = writeout_cabinet_stream(package, &mi->cabinet[1], mi->source);
 579         if (r != ERROR_SUCCESS)
 580         {
 581             ERR("Failed to extract cabinet stream\n");
 582             return ERROR_FUNCTION_FAILED;
 583         }
 584     }
 585     else
 586     {
 587         lstrcpyW(mi->source, source_dir);
 588
 589
 590         if (mi->cabinet)
 591             lstrcatW(mi->source, mi->cabinet);
 592     }
 593
 594     msi_package_add_media_disk(package, MSIINSTALLCONTEXT_USERMANAGED, MSICODE_PRODUCT,
 595                                mi->disk_id, mi->volume_label, mi->disk_prompt);
 596
 597     msi_package_add_info(package, MSIINSTALLCONTEXT_USERMANAGED,
 598                          MSICODE_PRODUCT | MSISOURCETYPE_MEDIA,
 599                          INSTALLPROPERTY_LASTUSEDSOURCEW, mi->source);
 600
 601     msi_free(source_dir);
 602     return ERROR_SUCCESS;
 603 }
 604
 605 static UINT ready_media(MSIPACKAGE *package, MSIFILE *file, struct media_info *mi)
 606 {
 607     UINT rc = ERROR_SUCCESS;
 608
 609     /* media info for continuous cabinet is already loaded */
 610     if (mi->is_continuous)
 611         return ERROR_SUCCESS;
 612
 613     rc = load_media_info(package, file, mi);
 614     if (rc != ERROR_SUCCESS)
 615     {
 616         ERR("Unable to load media info\n");
 617         return ERROR_FUNCTION_FAILED;
 618     }
 619
 620     /* cabinet is internal, no checks needed */
 621     if (!mi->cabinet || mi->cabinet[0] == '#')
 622         return ERROR_SUCCESS;
 623
 624     /* package should be downloaded */
 625     if (file->IsCompressed &&
 626         GetFileAttributesW(mi->source) == INVALID_FILE_ATTRIBUTES &&
 627         package->BaseURL && UrlIsW(package->BaseURL, URLIS_URL))
 628     {
 629         return download_remote_cabinet(package, mi);
 630     }
 631
 632     /* check volume matches, change media if not */
 633     if (mi->volume_label && mi->disk_id > 1 &&
 634         lstrcmpW(mi->first_volume, mi->volume_label))
 635     {
 636         LPWSTR source = msi_dup_property(package, cszSourceDir);
 637         BOOL matches;
 638         UINT type;
 639
 640         PathStripToRootW(source);
 641         type = GetDriveTypeW(source);
 642         matches = source_matches_volume(mi, source);
 643         msi_free(source);
 644
 645         if ((type == DRIVE_CDROM || type == DRIVE_REMOVABLE) && !matches)
 646         {
 647             rc = msi_change_media(package, mi);
 648             if (rc != ERROR_SUCCESS)
 649                 return rc;
 650         }
 651     }
 652
 653     if (file->IsCompressed &&
 654         GetFileAttributesW(mi->source) == INVALID_FILE_ATTRIBUTES)
 655     {
 656         ERR("Cabinet not found: %s\n", debugstr_w(mi->source));
 657         return ERROR_INSTALL_FAILURE;
 658     }
 659
 660     return ERROR_SUCCESS;
 661 }
 662
 663 static UINT get_file_target(MSIPACKAGE *package, LPCWSTR file_key,
 664                             MSIFILE** file)
 665 {
 666     LIST_FOR_EACH_ENTRY( *file, &package->files, MSIFILE, entry )
 667     {
 668         if (lstrcmpW( file_key, (*file)->File )==0)
 669         {
 670             if ((*file)->state >= msifs_overwrite)
 671                 return ERROR_SUCCESS;
 672             else
 673                 return ERROR_FILE_NOT_FOUND;
 674         }
 675     }
 676
 677     return ERROR_FUNCTION_FAILED;
 678 }
 679
 680 static void schedule_install_files(MSIPACKAGE *package)
 681 {
 682     MSIFILE *file;
 683
 684     LIST_FOR_EACH_ENTRY(file, &package->files, MSIFILE, entry)
 685     {
 686         if (!ACTION_VerifyComponentForAction(file->Component, INSTALLSTATE_LOCAL))
 687         {
 688             TRACE("File %s is not scheduled for install\n", debugstr_w(file->File));
 689
 690             ui_progress(package,2,file->FileSize,0,0);
 691             file->state = msifs_skipped;
 692         }
 693     }
 694 }
 695
 696 static UINT copy_file(MSIFILE *file)
 697 {
 698     BOOL ret;
 699
 700     ret = CopyFileW(file->SourcePath, file->TargetPath, FALSE);
 701     if (ret)
 702     {
 703         file->state = msifs_installed;
 704         return ERROR_SUCCESS;
 705     }
 706
 707     return GetLastError();
 708 }
 709
 710 static UINT copy_install_file(MSIFILE *file)
 711 {
 712     UINT gle;
 713
 714     TRACE("Copying %s to %s\n", debugstr_w(file->SourcePath),
 715           debugstr_w(file->TargetPath));
 716
 717     gle = copy_file(file);
 718     if (gle == ERROR_SUCCESS)
 719         return gle;
 720
 721     if (gle == ERROR_ALREADY_EXISTS && file->state == msifs_overwrite)
 722     {
 723         TRACE("overwriting existing file\n");
 724         gle = ERROR_SUCCESS;
 725     }
 726     else if (gle == ERROR_FILE_NOT_FOUND)
 727     {
 728         /* FIXME: this needs to be tested, I'm pretty sure it fails */
 729         TRACE("Source file not found\n");
 730         gle = ERROR_SUCCESS;
 731     }
 732     else if (gle == ERROR_ACCESS_DENIED)
 733     {
 734         SetFileAttributesW(file->TargetPath, FILE_ATTRIBUTE_NORMAL);
 735
 736         gle = copy_file(file);
 737         TRACE("Overwriting existing file: %d\n", gle);
 738     }
 739     else if (!(file->Attributes & msidbFileAttributesVital))
 740     {
 741         TRACE("Ignoring error for nonvital\n");
 742         gle = ERROR_SUCCESS;
 743     }
 744
 745     return gle;
 746 }
 747
 748 static BOOL check_dest_hash_matches(MSIFILE *file)
 749 {
 750     MSIFILEHASHINFO hash;
 751     UINT r;
 752
 753     if (!file->hash.dwFileHashInfoSize)
 754         return FALSE;
 755
 756     hash.dwFileHashInfoSize = sizeof(MSIFILEHASHINFO);
 757     r = MsiGetFileHashW(file->TargetPath, 0, &hash);
 758     if (r != ERROR_SUCCESS)
 759         return FALSE;
 760
 761     return !memcmp(&hash, &file->hash, sizeof(MSIFILEHASHINFO));
 762 }
 763
 764 /*
 765  * ACTION_InstallFiles()
 766  *
 767  * For efficiency, this is done in two passes:
 768  * 1) Correct all the TargetPaths and determine what files are to be installed.
 769  * 2) Extract Cabinets and copy files.
 770  */
 771 UINT ACTION_InstallFiles(MSIPACKAGE *package)
 772 {
 773     struct media_info *mi;
 774     UINT rc = ERROR_SUCCESS;
 775     LPWSTR ptr;
 776     MSIFILE *file;
 777
 778     /* increment progress bar each time action data is sent */
 779     ui_progress(package,1,1,0,0);
 780
 781     /* handle the keys for the SourceList */
 782     ptr = strrchrW(package->PackagePath,'\\');
 783     if (ptr)
 784     {
 785         ptr++;
 786         msi_package_add_info(package, MSIINSTALLCONTEXT_USERMANAGED,
 787                              MSICODE_PRODUCT, INSTALLPROPERTY_PACKAGENAMEW, ptr);
 788     }
 789
 790     schedule_install_files(package);
 791
 792     /*
 793      * Despite MSDN specifying that the CreateFolders action
 794      * should be called before InstallFiles, some installers don't
 795      * do that, and they seem to work correctly.  We need to create
 796      * directories here to make sure that the files can be copied.
 797      */
 798     msi_create_component_directories( package );
 799
 800     mi = msi_alloc_zero( sizeof(struct media_info) );
 801
 802     LIST_FOR_EACH_ENTRY( file, &package->files, MSIFILE, entry )
 803     {
 804         if (file->state != msifs_missing && !mi->is_continuous && file->state != msifs_overwrite)
 805             continue;
 806
 807         if (check_dest_hash_matches(file))
 808         {
 809             TRACE("File hashes match, not overwriting\n");
 810             continue;
 811         }
 812
 813         if (file->Sequence > mi->last_sequence || mi->is_continuous ||
 814             (file->IsCompressed && !mi->is_extracted))
 815         {
 816             rc = ready_media(package, file, mi);
 817             if (rc != ERROR_SUCCESS)
 818             {
 819                 ERR("Failed to ready media\n");
 820                 break;
 821             }
 822
 823             if (file->IsCompressed && !extract_cabinet_file(package, mi))
 824             {
 825                 ERR("Failed to extract cabinet: %s\n", debugstr_w(mi->cabinet));
 826                 rc = ERROR_FUNCTION_FAILED;
 827                 break;
 828             }
 829         }
 830
 831         set_file_source(package, file, mi->source);
 832
 833         TRACE("file paths %s to %s\n",debugstr_w(file->SourcePath),
 834               debugstr_w(file->TargetPath));
 835
 836         if (!file->IsCompressed)
 837         {
 838             msi_file_update_ui(package, file, szInstallFiles);
 839             rc = copy_install_file(file);
 840             if (rc != ERROR_SUCCESS)
 841             {
 842                 ERR("Failed to copy %s to %s (%d)\n", debugstr_w(file->SourcePath),
 843                     debugstr_w(file->TargetPath), rc);
 844                 rc = ERROR_INSTALL_FAILURE;
 845                 break;
 846             }
 847         }
 848         else if (file->state != msifs_installed)
 849         {
 850             ERR("compressed file wasn't extracted (%s)\n", debugstr_w(file->TargetPath));
 851             rc = ERROR_INSTALL_FAILURE;
 852             break;
 853         }
 854     }
 855
 856     free_media_info( mi );
 857     return rc;
 858 }
 859
 860 static UINT ITERATE_DuplicateFiles(MSIRECORD *row, LPVOID param)
 861 {
 862     MSIPACKAGE *package = (MSIPACKAGE*)param;
 863     WCHAR dest_name[0x100];
 864     LPWSTR dest_path, dest;
 865     LPCWSTR file_key, component;
 866     DWORD sz;
 867     DWORD rc;
 868     MSICOMPONENT *comp;
 869     MSIFILE *file;
 870
 871     component = MSI_RecordGetString(row,2);
 872     comp = get_loaded_component(package,component);
 873
 874     if (!ACTION_VerifyComponentForAction( comp, INSTALLSTATE_LOCAL ))
 875     {
 876         TRACE("Skipping copy due to disabled component %s\n",
 877                         debugstr_w(component));
 878
 879         /* the action taken was the same as the current install state */
 880         comp->Action = comp->Installed;
 881
 882         return ERROR_SUCCESS;
 883     }
 884
 885     comp->Action = INSTALLSTATE_LOCAL;
 886
 887     file_key = MSI_RecordGetString(row,3);
 888     if (!file_key)
 889     {
 890         ERR("Unable to get file key\n");
 891         return ERROR_FUNCTION_FAILED;
 892     }
 893
 894     rc = get_file_target(package,file_key,&file);
 895
 896     if (rc != ERROR_SUCCESS)
 897     {
 898         ERR("Original file unknown %s\n",debugstr_w(file_key));
 899         return ERROR_SUCCESS;
 900     }
 901
 902     if (MSI_RecordIsNull(row,4))
 903         strcpyW(dest_name,strrchrW(file->TargetPath,'\\')+1);
 904     else
 905     {
 906         sz=0x100;
 907         MSI_RecordGetStringW(row,4,dest_name,&sz);
 908         reduce_to_longfilename(dest_name);
 909     }
 910
 911     if (MSI_RecordIsNull(row,5))
 912     {
 913         LPWSTR p;
 914         dest_path = strdupW(file->TargetPath);
 915         p = strrchrW(dest_path,'\\');
 916         if (p)
 917             *p=0;
 918     }
 919     else
 920     {
 921         LPCWSTR destkey;
 922         destkey = MSI_RecordGetString(row,5);
 923         dest_path = resolve_folder(package, destkey, FALSE, FALSE, TRUE, NULL);
 924         if (!dest_path)
 925         {
 926             /* try a Property */
 927             dest_path = msi_dup_property( package, destkey );
 928             if (!dest_path)
 929             {
 930                 FIXME("Unable to get destination folder, try AppSearch properties\n");
 931                 return ERROR_SUCCESS;
 932             }
 933         }
 934     }
 935
 936     dest = build_directory_name(2, dest_path, dest_name);
 937
 938     TRACE("Duplicating file %s to %s\n",debugstr_w(file->TargetPath),
 939                     debugstr_w(dest));
 940
 941     CreateDirectoryW(dest_path, NULL);
 942
 943     if (strcmpW(file->TargetPath,dest))
 944         rc = !CopyFileW(file->TargetPath,dest,TRUE);
 945     else
 946         rc = ERROR_SUCCESS;
 947
 948     if (rc != ERROR_SUCCESS)
 949         ERR("Failed to copy file %s -> %s, last error %d\n",
 950             debugstr_w(file->TargetPath), debugstr_w(dest_path), GetLastError());
 951
 952     FIXME("We should track these duplicate files as well\n");
 953
 954     msi_free(dest_path);
 955     msi_free(dest);
 956
 957     msi_file_update_ui(package, file, szDuplicateFiles);
 958
 959     return ERROR_SUCCESS;
 960 }
 961
 962 UINT ACTION_DuplicateFiles(MSIPACKAGE *package)
 963 {
 964     UINT rc;
 965     MSIQUERY * view;
 966     static const WCHAR ExecSeqQuery[] =
 967         {'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
 968          '`','D','u','p','l','i','c','a','t','e','F','i','l','e','`',0};
 969
 970     rc = MSI_DatabaseOpenViewW(package->db, ExecSeqQuery, &view);
 971     if (rc != ERROR_SUCCESS)
 972         return ERROR_SUCCESS;
 973
 974     rc = MSI_IterateRecords(view, NULL, ITERATE_DuplicateFiles, package);
 975     msiobj_release(&view->hdr);
 976
 977     return rc;
 978 }
 979
 980 /* compares the version of a file read from the filesystem and
 981  * the version specified in the File table
 982  */
 983 static int msi_compare_file_version( MSIFILE *file )
 984 {
 985     WCHAR version[MAX_PATH];
 986     DWORD size;
 987     UINT r;
 988
 989     size = MAX_PATH;
 990     version[0] = '\0';
 991     r = MsiGetFileVersionW( file->TargetPath, version, &size, NULL, NULL );
 992     if ( r != ERROR_SUCCESS )
 993         return 0;
 994
 995     return lstrcmpW( version, file->Version );
 996 }
 997
 998 UINT ACTION_RemoveFiles( MSIPACKAGE *package )
 999 {
1000     MSIFILE *file;
1001
1002     LIST_FOR_EACH_ENTRY( file, &package->files, MSIFILE, entry )
1003     {
1004         MSIRECORD *uirow;
1005         LPWSTR uipath, p;
1006
1007         if ( !file->Component )
1008             continue;
1009         if ( file->Component->Installed == INSTALLSTATE_LOCAL )
1010             continue;
1011
1012         if ( file->state == msifs_installed )
1013             ERR("removing installed file %s\n", debugstr_w(file->TargetPath));
1014
1015         if ( file->state != msifs_present )
1016             continue;
1017
1018         /* only remove a file if the version to be installed
1019          * is strictly newer than the old file
1020          */
1021         if ( msi_compare_file_version( file ) >= 0 )
1022             continue;
1023
1024         TRACE("removing %s\n", debugstr_w(file->File) );
1025         if ( !DeleteFileW( file->TargetPath ) )
1026             ERR("failed to delete %s\n",  debugstr_w(file->TargetPath) );
1027         file->state = msifs_missing;
1028
1029         /* the UI chunk */
1030         uirow = MSI_CreateRecord( 9 );
1031         MSI_RecordSetStringW( uirow, 1, file->FileName );
1032         uipath = strdupW( file->TargetPath );
1033         p = strrchrW(uipath,'\\');
1034         if (p)
1035             p[1]=0;
1036         MSI_RecordSetStringW( uirow, 9, uipath);
1037         ui_actiondata( package, szRemoveFiles, uirow);
1038         msiobj_release( &uirow->hdr );
1039         msi_free( uipath );
1040         /* FIXME: call ui_progress here? */
1041     }
1042
1043     return ERROR_SUCCESS;
1044 }