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 type;
  63     UINT last_sequence;
  64     LPWSTR disk_prompt;
  65     LPWSTR cabinet;
  66     LPWSTR first_volume;
  67     LPWSTR volume_label;
  68     BOOL is_continuous;
  69     BOOL is_extracted;
  70     WCHAR source[MAX_PATH];
  71 };
  72
  73 static BOOL source_matches_volume(struct media_info *mi, LPWSTR source_root)
  74 {
  75     WCHAR volume_name[MAX_PATH + 1];
  76
  77     if (!GetVolumeInformationW(source_root, volume_name, MAX_PATH + 1,
  78                                NULL, NULL, NULL, NULL, 0))
  79     {
  80         ERR("Failed to get volume information\n");
  81         return FALSE;
  82     }
  83
  84     return !lstrcmpW(mi->volume_label, volume_name);
  85 }
  86
  87 static UINT msi_change_media( MSIPACKAGE *package, struct media_info *mi )
  88 {
  89     LPSTR msg;
  90     LPWSTR error, error_dialog;
  91     LPWSTR source_dir;
  92     UINT r = ERROR_SUCCESS;
  93
  94     static const WCHAR szUILevel[] = {'U','I','L','e','v','e','l',0};
  95     static const WCHAR error_prop[] = {'E','r','r','o','r','D','i','a','l','o','g',0};
  96
  97     if ( (msi_get_property_int(package, szUILevel, 0) & INSTALLUILEVEL_MASK) == INSTALLUILEVEL_NONE && !gUIHandlerA )
  98         return ERROR_SUCCESS;
  99
 100     error = generate_error_string( package, 1302, 1, mi->disk_prompt );
 101     error_dialog = msi_dup_property( package, error_prop );
 102     source_dir = msi_dup_property( package, cszSourceDir );
 103     PathStripToRootW(source_dir);
 104
 105     while ( r == ERROR_SUCCESS &&
 106             !source_matches_volume(mi, source_dir) )
 107     {
 108         r = msi_spawn_error_dialog( package, error_dialog, error );
 109
 110         if (gUIHandlerA)
 111         {
 112             msg = strdupWtoA( error );
 113             gUIHandlerA( gUIContext, MB_RETRYCANCEL | INSTALLMESSAGE_ERROR, msg );
 114             msi_free(msg);
 115         }
 116     }
 117
 118     msi_free( error );
 119     msi_free( error_dialog );
 120     msi_free( source_dir );
 121
 122     return r;
 123 }
 124
 125 /*
 126  * This is a helper function for handling embedded cabinet media
 127  */
 128 static UINT writeout_cabinet_stream(MSIPACKAGE *package, LPCWSTR stream_name,
 129                                     WCHAR* source)
 130 {
 131     UINT rc;
 132     USHORT* data;
 133     UINT    size;
 134     DWORD   write;
 135     HANDLE  the_file;
 136     WCHAR tmp[MAX_PATH];
 137
 138     rc = read_raw_stream_data(package->db,stream_name,&data,&size);
 139     if (rc != ERROR_SUCCESS)
 140         return rc;
 141
 142     write = MAX_PATH;
 143     if (MSI_GetPropertyW(package, cszTempFolder, tmp, &write))
 144         GetTempPathW(MAX_PATH,tmp);
 145
 146     GetTempFileNameW(tmp,stream_name,0,source);
 147
 148     track_tempfile(package, source);
 149     the_file = CreateFileW(source, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS,
 150                            FILE_ATTRIBUTE_NORMAL, NULL);
 151
 152     if (the_file == INVALID_HANDLE_VALUE)
 153     {
 154         ERR("Unable to create file %s\n",debugstr_w(source));
 155         rc = ERROR_FUNCTION_FAILED;
 156         goto end;
 157     }
 158
 159     WriteFile(the_file,data,size,&write,NULL);
 160     CloseHandle(the_file);
 161     TRACE("wrote %i bytes to %s\n",write,debugstr_w(source));
 162 end:
 163     msi_free(data);
 164     return rc;
 165 }
 166
 167
 168 /* Support functions for FDI functions */
 169 typedef struct
 170 {
 171     MSIPACKAGE* package;
 172     struct media_info *mi;
 173 } CabData;
 174
 175 static void * cabinet_alloc(ULONG cb)
 176 {
 177     return msi_alloc(cb);
 178 }
 179
 180 static void cabinet_free(void *pv)
 181 {
 182     msi_free(pv);
 183 }
 184
 185 static INT_PTR cabinet_open(char *pszFile, int oflag, int pmode)
 186 {
 187     HANDLE handle;
 188     DWORD dwAccess = 0;
 189     DWORD dwShareMode = 0;
 190     DWORD dwCreateDisposition = OPEN_EXISTING;
 191     switch (oflag & _O_ACCMODE)
 192     {
 193     case _O_RDONLY:
 194         dwAccess = GENERIC_READ;
 195         dwShareMode = FILE_SHARE_READ | FILE_SHARE_DELETE;
 196         break;
 197     case _O_WRONLY:
 198         dwAccess = GENERIC_WRITE;
 199         dwShareMode = FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE;
 200         break;
 201     case _O_RDWR:
 202         dwAccess = GENERIC_READ | GENERIC_WRITE;
 203         dwShareMode = FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE;
 204         break;
 205     }
 206     if ((oflag & (_O_CREAT | _O_EXCL)) == (_O_CREAT | _O_EXCL))
 207         dwCreateDisposition = CREATE_NEW;
 208     else if (oflag & _O_CREAT)
 209         dwCreateDisposition = CREATE_ALWAYS;
 210     handle = CreateFileA( pszFile, dwAccess, dwShareMode, NULL,
 211                           dwCreateDisposition, 0, NULL );
 212     if (handle == INVALID_HANDLE_VALUE)
 213         return 0;
 214     return (INT_PTR) handle;
 215 }
 216
 217 static UINT cabinet_read(INT_PTR hf, void *pv, UINT cb)
 218 {
 219     HANDLE handle = (HANDLE) hf;
 220     DWORD dwRead;
 221     if (ReadFile(handle, pv, cb, &dwRead, NULL))
 222         return dwRead;
 223     return 0;
 224 }
 225
 226 static UINT cabinet_write(INT_PTR hf, void *pv, UINT cb)
 227 {
 228     HANDLE handle = (HANDLE) hf;
 229     DWORD dwWritten;
 230     if (WriteFile(handle, pv, cb, &dwWritten, NULL))
 231         return dwWritten;
 232     return 0;
 233 }
 234
 235 static int cabinet_close(INT_PTR hf)
 236 {
 237     HANDLE handle = (HANDLE) hf;
 238     return CloseHandle(handle) ? 0 : -1;
 239 }
 240
 241 static long cabinet_seek(INT_PTR hf, long dist, int seektype)
 242 {
 243     HANDLE handle = (HANDLE) hf;
 244     /* flags are compatible and so are passed straight through */
 245     return SetFilePointer(handle, dist, NULL, seektype);
 246 }
 247
 248 static void msi_file_update_ui( MSIPACKAGE *package, MSIFILE *f, const WCHAR *action )
 249 {
 250     MSIRECORD *uirow;
 251     LPWSTR uipath, p;
 252
 253     /* the UI chunk */
 254     uirow = MSI_CreateRecord( 9 );
 255     MSI_RecordSetStringW( uirow, 1, f->FileName );
 256     uipath = strdupW( f->TargetPath );
 257     p = strrchrW(uipath,'\\');
 258     if (p)
 259         p[1]=0;
 260     MSI_RecordSetStringW( uirow, 9, uipath);
 261     MSI_RecordSetInteger( uirow, 6, f->FileSize );
 262     ui_actiondata( package, action, uirow);
 263     msiobj_release( &uirow->hdr );
 264     msi_free( uipath );
 265     ui_progress( package, 2, f->FileSize, 0, 0);
 266 }
 267
 268 static UINT msi_media_get_disk_info( MSIPACKAGE *package, struct media_info *mi )
 269 {
 270     MSIRECORD *row;
 271     LPWSTR ptr;
 272
 273     static const WCHAR query[] =
 274         {'S','E','L','E','C','T',' ','*',' ', 'F','R','O','M',' ',
 275          '`','M','e','d','i','a','`',' ','W','H','E','R','E',' ',
 276          '`','D','i','s','k','I','d','`',' ','=',' ','%','i',0};
 277
 278     row = MSI_QueryGetRecord(package->db, query, mi->disk_id);
 279     if (!row)
 280     {
 281         TRACE("Unable to query row\n");
 282         return ERROR_FUNCTION_FAILED;
 283     }
 284
 285     mi->disk_prompt = strdupW(MSI_RecordGetString(row, 3));
 286     mi->cabinet = strdupW(MSI_RecordGetString(row, 4));
 287     mi->volume_label = strdupW(MSI_RecordGetString(row, 5));
 288
 289     if (!mi->first_volume)
 290         mi->first_volume = strdupW(mi->volume_label);
 291
 292     ptr = strrchrW(mi->source, '\\') + 1;
 293     lstrcpyW(ptr, mi->cabinet);
 294     msiobj_release(&row->hdr);
 295
 296     return ERROR_SUCCESS;
 297 }
 298
 299 static INT_PTR cabinet_notify(FDINOTIFICATIONTYPE fdint, PFDINOTIFICATION pfdin)
 300 {
 301     TRACE("(%d)\n", fdint);
 302
 303     switch (fdint)
 304     {
 305     case fdintPARTIAL_FILE:
 306     {
 307         CabData *data = (CabData *)pfdin->pv;
 308         data->mi->is_continuous = FALSE;
 309         return 0;
 310     }
 311     case fdintNEXT_CABINET:
 312     {
 313         CabData *data = (CabData *)pfdin->pv;
 314         struct media_info *mi = data->mi;
 315         LPWSTR cab = strdupAtoW(pfdin->psz1);
 316         UINT rc;
 317
 318         msi_free(mi->disk_prompt);
 319         msi_free(mi->cabinet);
 320         msi_free(mi->volume_label);
 321         mi->disk_prompt = NULL;
 322         mi->cabinet = NULL;
 323         mi->volume_label = NULL;
 324
 325         mi->disk_id++;
 326         mi->is_continuous = TRUE;
 327
 328         rc = msi_media_get_disk_info(data->package, mi);
 329         if (rc != ERROR_SUCCESS)
 330         {
 331             msi_free(cab);
 332             ERR("Failed to get next cabinet information: %d\n", rc);
 333             return -1;
 334         }
 335
 336         if (lstrcmpiW(mi->cabinet, cab))
 337         {
 338             msi_free(cab);
 339             ERR("Continuous cabinet does not match the next cabinet in the Media table\n");
 340             return -1;
 341         }
 342
 343         msi_free(cab);
 344
 345         TRACE("Searching for %s\n", debugstr_w(mi->source));
 346
 347         if (GetFileAttributesW(mi->source) == INVALID_FILE_ATTRIBUTES)
 348             rc = msi_change_media(data->package, mi);
 349
 350         if (rc != ERROR_SUCCESS)
 351             return -1;
 352
 353         return 0;
 354     }
 355     case fdintCOPY_FILE:
 356     {
 357         CabData *data = (CabData*) pfdin->pv;
 358         HANDLE handle;
 359         LPWSTR file;
 360         MSIFILE *f;
 361         DWORD attrs;
 362
 363         file = strdupAtoW(pfdin->psz1);
 364         f = get_loaded_file(data->package, file);
 365         msi_free(file);
 366
 367         if (!f)
 368         {
 369             WARN("unknown file in cabinet (%s)\n",debugstr_a(pfdin->psz1));
 370             return 0;
 371         }
 372
 373         if (f->state != msifs_missing && f->state != msifs_overwrite)
 374         {
 375             TRACE("Skipping extraction of %s\n",debugstr_a(pfdin->psz1));
 376             return 0;
 377         }
 378
 379         msi_file_update_ui( data->package, f, szInstallFiles );
 380
 381         TRACE("extracting %s\n", debugstr_w(f->TargetPath) );
 382
 383         attrs = f->Attributes & (FILE_ATTRIBUTE_READONLY|FILE_ATTRIBUTE_HIDDEN|FILE_ATTRIBUTE_SYSTEM);
 384         if (!attrs) attrs = FILE_ATTRIBUTE_NORMAL;
 385
 386         handle = CreateFileW( f->TargetPath, GENERIC_READ | GENERIC_WRITE, 0,
 387                               NULL, CREATE_ALWAYS, attrs, NULL );
 388         if ( handle == INVALID_HANDLE_VALUE )
 389         {
 390             if ( GetFileAttributesW( f->TargetPath ) != INVALID_FILE_ATTRIBUTES )
 391                 f->state = msifs_installed;
 392             else
 393                 ERR("failed to create %s (error %d)\n",
 394                     debugstr_w( f->TargetPath ), GetLastError() );
 395
 396             return 0;
 397         }
 398
 399         f->state = msifs_installed;
 400         return (INT_PTR) handle;
 401     }
 402     case fdintCLOSE_FILE_INFO:
 403     {
 404         FILETIME ft;
 405         FILETIME ftLocal;
 406         HANDLE handle = (HANDLE) pfdin->hf;
 407
 408         if (!DosDateTimeToFileTime(pfdin->date, pfdin->time, &ft))
 409             return -1;
 410         if (!LocalFileTimeToFileTime(&ft, &ftLocal))
 411             return -1;
 412         if (!SetFileTime(handle, &ftLocal, 0, &ftLocal))
 413             return -1;
 414         CloseHandle(handle);
 415         return 1;
 416     }
 417     default:
 418         return 0;
 419     }
 420 }
 421
 422 /***********************************************************************
 423  *            extract_cabinet_file
 424  *
 425  * Extract files from a cab file.
 426  */
 427 static BOOL extract_cabinet_file(MSIPACKAGE* package, struct media_info *mi)
 428 {
 429     LPSTR cabinet, cab_path = NULL;
 430     LPWSTR ptr;
 431     HFDI hfdi;
 432     ERF erf;
 433     BOOL ret = FALSE;
 434     CabData data;
 435
 436     TRACE("Extracting %s\n", debugstr_w(mi->source));
 437
 438     hfdi = FDICreate(cabinet_alloc, cabinet_free, cabinet_open, cabinet_read,
 439                      cabinet_write, cabinet_close, cabinet_seek, 0, &erf);
 440     if (!hfdi)
 441     {
 442         ERR("FDICreate failed\n");
 443         return FALSE;
 444     }
 445
 446     ptr = strrchrW(mi->source, '\\') + 1;
 447     cabinet = strdupWtoA(ptr);
 448     if (!cabinet)
 449         goto done;
 450
 451     cab_path = strdupWtoA(mi->source);
 452     if (!cab_path)
 453         goto done;
 454
 455     cab_path[ptr - mi->source] = '\0';
 456
 457     data.package = package;
 458     data.mi = mi;
 459
 460     ret = FDICopy(hfdi, cabinet, cab_path, 0, cabinet_notify, NULL, &data);
 461     if (!ret)
 462         ERR("FDICopy failed\n");
 463
 464 done:
 465     FDIDestroy(hfdi);
 466     msi_free(cabinet);
 467     msi_free(cab_path);
 468
 469     if (ret)
 470         mi->is_extracted = TRUE;
 471
 472     return ret;
 473 }
 474
 475 static VOID set_file_source(MSIPACKAGE* package, MSIFILE* file, LPCWSTR path)
 476 {
 477     if (!file->IsCompressed)
 478     {
 479         LPWSTR p, path;
 480         p = resolve_folder(package, file->Component->Directory, TRUE, FALSE, TRUE, NULL);
 481         path = build_directory_name(2, p, file->ShortName);
 482         if (file->LongName &&
 483             INVALID_FILE_ATTRIBUTES == GetFileAttributesW( path ))
 484         {
 485             msi_free(path);
 486             path = build_directory_name(2, p, file->LongName);
 487         }
 488         file->SourcePath = path;
 489         msi_free(p);
 490     }
 491     else
 492         file->SourcePath = build_directory_name(2, path, file->File);
 493 }
 494
 495 static void free_media_info( struct media_info *mi )
 496 {
 497     msi_free( mi->disk_prompt );
 498     msi_free( mi->cabinet );
 499     msi_free( mi->volume_label );
 500     msi_free( mi->first_volume );
 501     msi_free( mi );
 502 }
 503
 504 static UINT load_media_info(MSIPACKAGE *package, MSIFILE *file, struct media_info *mi)
 505 {
 506     MSIRECORD *row;
 507     LPWSTR source_dir;
 508     LPWSTR source;
 509     DWORD options;
 510     UINT r;
 511
 512     static const WCHAR query[] = {
 513         'S','E','L','E','C','T',' ','*',' ', 'F','R','O','M',' ',
 514         '`','M','e','d','i','a','`',' ','W','H','E','R','E',' ',
 515         '`','L','a','s','t','S','e','q','u','e','n','c','e','`',' ','>','=',
 516         ' ','%','i',' ','A','N','D',' ','`','D','i','s','k','I','d','`',' ','>','=',
 517         ' ','%','i',' ','O','R','D','E','R',' ','B','Y',' ',
 518         '`','D','i','s','k','I','d','`',0
 519     };
 520
 521     row = MSI_QueryGetRecord(package->db, query, file->Sequence, mi->disk_id);
 522     if (!row)
 523     {
 524         TRACE("Unable to query row\n");
 525         return ERROR_FUNCTION_FAILED;
 526     }
 527
 528     mi->is_extracted = FALSE;
 529     mi->disk_id = MSI_RecordGetInteger(row, 1);
 530     mi->last_sequence = MSI_RecordGetInteger(row, 2);
 531     msi_free(mi->disk_prompt);
 532     mi->disk_prompt = strdupW(MSI_RecordGetString(row, 3));
 533     msi_free(mi->cabinet);
 534     mi->cabinet = strdupW(MSI_RecordGetString(row, 4));
 535     msi_free(mi->volume_label);
 536     mi->volume_label = strdupW(MSI_RecordGetString(row, 5));
 537     msiobj_release(&row->hdr);
 538
 539     if (!mi->first_volume)
 540         mi->first_volume = strdupW(mi->volume_label);
 541
 542     source_dir = msi_dup_property(package, cszSourceDir);
 543     lstrcpyW(mi->source, source_dir);
 544
 545     PathStripToRootW(source_dir);
 546     mi->type = GetDriveTypeW(source_dir);
 547
 548     if (file->IsCompressed && mi->cabinet)
 549     {
 550         if (mi->cabinet[0] == '#')
 551         {
 552             r = writeout_cabinet_stream(package, &mi->cabinet[1], mi->source);
 553             if (r != ERROR_SUCCESS)
 554             {
 555                 ERR("Failed to extract cabinet stream\n");
 556                 return ERROR_FUNCTION_FAILED;
 557             }
 558         }
 559         else
 560             lstrcatW(mi->source, mi->cabinet);
 561     }
 562
 563     options = MSICODE_PRODUCT;
 564     if (mi->type == DRIVE_CDROM || mi->type == DRIVE_REMOVABLE)
 565     {
 566         source = source_dir;
 567         options |= MSISOURCETYPE_MEDIA;
 568     }
 569     else if (package->BaseURL && UrlIsW(package->BaseURL, URLIS_URL))
 570     {
 571         source = package->BaseURL;
 572         options |= MSISOURCETYPE_URL;
 573     }
 574     else
 575     {
 576         source = mi->source;
 577         options |= MSISOURCETYPE_NETWORK;
 578     }
 579
 580     if (mi->type == DRIVE_CDROM || mi->type == DRIVE_REMOVABLE)
 581         msi_package_add_media_disk(package, MSIINSTALLCONTEXT_USERUNMANAGED,
 582                                    MSICODE_PRODUCT, mi->disk_id,
 583                                    mi->volume_label, mi->disk_prompt);
 584
 585     msi_package_add_info(package, MSIINSTALLCONTEXT_USERUNMANAGED,
 586                          options, INSTALLPROPERTY_LASTUSEDSOURCEW, source);
 587
 588     msi_free(source_dir);
 589     return ERROR_SUCCESS;
 590 }
 591
 592 /* FIXME: search NETWORK and URL sources as well */
 593 static UINT find_published_source(MSIPACKAGE *package, struct media_info *mi)
 594 {
 595     WCHAR source[MAX_PATH];
 596     WCHAR volume[MAX_PATH];
 597     WCHAR prompt[MAX_PATH];
 598     DWORD volumesz, promptsz;
 599     DWORD index, size;
 600     WORD id;
 601     UINT r;
 602
 603     r = MsiSourceListGetInfoW(package->ProductCode, NULL,
 604                               MSIINSTALLCONTEXT_USERUNMANAGED, MSICODE_PRODUCT,
 605                               INSTALLPROPERTY_LASTUSEDSOURCEW, source, &size);
 606     if (r != ERROR_SUCCESS)
 607         return r;
 608
 609     index = 0;
 610     volumesz = MAX_PATH;
 611     promptsz = MAX_PATH;
 612     while (MsiSourceListEnumMediaDisksW(package->ProductCode, NULL,
 613                                         MSIINSTALLCONTEXT_USERUNMANAGED,
 614                                         MSICODE_PRODUCT, index++, &id,
 615                                         volume, &volumesz, prompt, &promptsz) == ERROR_SUCCESS)
 616     {
 617         mi->disk_id = id;
 618         mi->volume_label = msi_realloc(mi->volume_label, ++volumesz * sizeof(WCHAR));
 619         lstrcpyW(mi->volume_label, volume);
 620         mi->disk_prompt = msi_realloc(mi->disk_prompt, ++promptsz * sizeof(WCHAR));
 621         lstrcpyW(mi->disk_prompt, prompt);
 622
 623         if (source_matches_volume(mi, source))
 624         {
 625             /* FIXME: what about SourceDir */
 626             lstrcpyW(mi->source, source);
 627             lstrcatW(mi->source, mi->cabinet);
 628             return ERROR_SUCCESS;
 629         }
 630     }
 631
 632     return ERROR_FUNCTION_FAILED;
 633 }
 634
 635 static UINT ready_media(MSIPACKAGE *package, MSIFILE *file, struct media_info *mi)
 636 {
 637     UINT rc = ERROR_SUCCESS;
 638
 639     /* media info for continuous cabinet is already loaded */
 640     if (mi->is_continuous)
 641         return ERROR_SUCCESS;
 642
 643     rc = load_media_info(package, file, mi);
 644     if (rc != ERROR_SUCCESS)
 645     {
 646         ERR("Unable to load media info\n");
 647         return ERROR_FUNCTION_FAILED;
 648     }
 649
 650     /* cabinet is internal, no checks needed */
 651     if (!mi->cabinet || mi->cabinet[0] == '#')
 652         return ERROR_SUCCESS;
 653
 654     /* package should be downloaded */
 655     if (file->IsCompressed &&
 656         GetFileAttributesW(mi->source) == INVALID_FILE_ATTRIBUTES &&
 657         package->BaseURL && UrlIsW(package->BaseURL, URLIS_URL))
 658     {
 659         WCHAR temppath[MAX_PATH];
 660
 661         msi_download_file(mi->source, temppath);
 662         lstrcpyW(mi->source, temppath);
 663         return ERROR_SUCCESS;
 664     }
 665
 666     /* check volume matches, change media if not */
 667     if (mi->volume_label && mi->disk_id > 1 &&
 668         lstrcmpW(mi->first_volume, mi->volume_label))
 669     {
 670         LPWSTR source = msi_dup_property(package, cszSourceDir);
 671         BOOL matches;
 672
 673         matches = source_matches_volume(mi, source);
 674         msi_free(source);
 675
 676         if ((mi->type == DRIVE_CDROM || mi->type == DRIVE_REMOVABLE) && !matches)
 677         {
 678             rc = msi_change_media(package, mi);
 679             if (rc != ERROR_SUCCESS)
 680                 return rc;
 681         }
 682     }
 683
 684     if (file->IsCompressed &&
 685         GetFileAttributesW(mi->source) == INVALID_FILE_ATTRIBUTES)
 686     {
 687         /* FIXME: this might be done earlier in the install process */
 688         rc = find_published_source(package, mi);
 689         if (rc != ERROR_SUCCESS)
 690         {
 691             ERR("Cabinet not found: %s\n", debugstr_w(mi->source));
 692             return ERROR_INSTALL_FAILURE;
 693         }
 694     }
 695
 696     return ERROR_SUCCESS;
 697 }
 698
 699 static UINT get_file_target(MSIPACKAGE *package, LPCWSTR file_key,
 700                             MSIFILE** file)
 701 {
 702     LIST_FOR_EACH_ENTRY( *file, &package->files, MSIFILE, entry )
 703     {
 704         if (lstrcmpW( file_key, (*file)->File )==0)
 705         {
 706             if ((*file)->state >= msifs_overwrite)
 707                 return ERROR_SUCCESS;
 708             else
 709                 return ERROR_FILE_NOT_FOUND;
 710         }
 711     }
 712
 713     return ERROR_FUNCTION_FAILED;
 714 }
 715
 716 static void schedule_install_files(MSIPACKAGE *package)
 717 {
 718     MSIFILE *file;
 719
 720     LIST_FOR_EACH_ENTRY(file, &package->files, MSIFILE, entry)
 721     {
 722         if (!ACTION_VerifyComponentForAction(file->Component, INSTALLSTATE_LOCAL))
 723         {
 724             TRACE("File %s is not scheduled for install\n", debugstr_w(file->File));
 725
 726             ui_progress(package,2,file->FileSize,0,0);
 727             file->state = msifs_skipped;
 728         }
 729     }
 730 }
 731
 732 static UINT copy_file(MSIFILE *file)
 733 {
 734     BOOL ret;
 735
 736     ret = CopyFileW(file->SourcePath, file->TargetPath, FALSE);
 737     if (ret)
 738     {
 739         file->state = msifs_installed;
 740         return ERROR_SUCCESS;
 741     }
 742
 743     return GetLastError();
 744 }
 745
 746 static UINT copy_install_file(MSIFILE *file)
 747 {
 748     UINT gle;
 749
 750     TRACE("Copying %s to %s\n", debugstr_w(file->SourcePath),
 751           debugstr_w(file->TargetPath));
 752
 753     gle = copy_file(file);
 754     if (gle == ERROR_SUCCESS)
 755         return gle;
 756
 757     if (gle == ERROR_ALREADY_EXISTS && file->state == msifs_overwrite)
 758     {
 759         TRACE("overwriting existing file\n");
 760         gle = ERROR_SUCCESS;
 761     }
 762     else if (gle == ERROR_FILE_NOT_FOUND)
 763     {
 764         /* FIXME: this needs to be tested, I'm pretty sure it fails */
 765         TRACE("Source file not found\n");
 766         gle = ERROR_SUCCESS;
 767     }
 768     else if (gle == ERROR_ACCESS_DENIED)
 769     {
 770         SetFileAttributesW(file->TargetPath, FILE_ATTRIBUTE_NORMAL);
 771
 772         gle = copy_file(file);
 773         TRACE("Overwriting existing file: %d\n", gle);
 774     }
 775     else if (!(file->Attributes & msidbFileAttributesVital))
 776     {
 777         TRACE("Ignoring error for nonvital\n");
 778         gle = ERROR_SUCCESS;
 779     }
 780
 781     return gle;
 782 }
 783
 784 static BOOL check_dest_hash_matches(MSIFILE *file)
 785 {
 786     MSIFILEHASHINFO hash;
 787     UINT r;
 788
 789     if (!file->hash.dwFileHashInfoSize)
 790         return FALSE;
 791
 792     hash.dwFileHashInfoSize = sizeof(MSIFILEHASHINFO);
 793     r = MsiGetFileHashW(file->TargetPath, 0, &hash);
 794     if (r != ERROR_SUCCESS)
 795         return FALSE;
 796
 797     return !memcmp(&hash, &file->hash, sizeof(MSIFILEHASHINFO));
 798 }
 799
 800 /*
 801  * ACTION_InstallFiles()
 802  *
 803  * For efficiency, this is done in two passes:
 804  * 1) Correct all the TargetPaths and determine what files are to be installed.
 805  * 2) Extract Cabinets and copy files.
 806  */
 807 UINT ACTION_InstallFiles(MSIPACKAGE *package)
 808 {
 809     struct media_info *mi;
 810     UINT rc = ERROR_SUCCESS;
 811     MSIFILE *file;
 812
 813     /* increment progress bar each time action data is sent */
 814     ui_progress(package,1,1,0,0);
 815
 816     schedule_install_files(package);
 817
 818     /*
 819      * Despite MSDN specifying that the CreateFolders action
 820      * should be called before InstallFiles, some installers don't
 821      * do that, and they seem to work correctly.  We need to create
 822      * directories here to make sure that the files can be copied.
 823      */
 824     msi_create_component_directories( package );
 825
 826     mi = msi_alloc_zero( sizeof(struct media_info) );
 827
 828     LIST_FOR_EACH_ENTRY( file, &package->files, MSIFILE, entry )
 829     {
 830         if (file->state != msifs_missing && !mi->is_continuous && file->state != msifs_overwrite)
 831             continue;
 832
 833         if (check_dest_hash_matches(file))
 834         {
 835             TRACE("File hashes match, not overwriting\n");
 836             continue;
 837         }
 838
 839         if (file->Sequence > mi->last_sequence || mi->is_continuous ||
 840             (file->IsCompressed && !mi->is_extracted))
 841         {
 842             rc = ready_media(package, file, mi);
 843             if (rc != ERROR_SUCCESS)
 844             {
 845                 ERR("Failed to ready media\n");
 846                 break;
 847             }
 848
 849             if (file->IsCompressed && !extract_cabinet_file(package, mi))
 850             {
 851                 ERR("Failed to extract cabinet: %s\n", debugstr_w(mi->cabinet));
 852                 rc = ERROR_FUNCTION_FAILED;
 853                 break;
 854             }
 855         }
 856
 857         set_file_source(package, file, mi->source);
 858
 859         TRACE("file paths %s to %s\n",debugstr_w(file->SourcePath),
 860               debugstr_w(file->TargetPath));
 861
 862         if (!file->IsCompressed)
 863         {
 864             msi_file_update_ui(package, file, szInstallFiles);
 865             rc = copy_install_file(file);
 866             if (rc != ERROR_SUCCESS)
 867             {
 868                 ERR("Failed to copy %s to %s (%d)\n", debugstr_w(file->SourcePath),
 869                     debugstr_w(file->TargetPath), rc);
 870                 rc = ERROR_INSTALL_FAILURE;
 871                 break;
 872             }
 873         }
 874         else if (file->state != msifs_installed)
 875         {
 876             ERR("compressed file wasn't extracted (%s)\n", debugstr_w(file->TargetPath));
 877             rc = ERROR_INSTALL_FAILURE;
 878             break;
 879         }
 880     }
 881
 882     free_media_info( mi );
 883     return rc;
 884 }
 885
 886 static UINT ITERATE_DuplicateFiles(MSIRECORD *row, LPVOID param)
 887 {
 888     MSIPACKAGE *package = (MSIPACKAGE*)param;
 889     WCHAR dest_name[0x100];
 890     LPWSTR dest_path, dest;
 891     LPCWSTR file_key, component;
 892     DWORD sz;
 893     DWORD rc;
 894     MSICOMPONENT *comp;
 895     MSIFILE *file;
 896
 897     component = MSI_RecordGetString(row,2);
 898     comp = get_loaded_component(package,component);
 899
 900     if (!ACTION_VerifyComponentForAction( comp, INSTALLSTATE_LOCAL ))
 901     {
 902         TRACE("Skipping copy due to disabled component %s\n",
 903                         debugstr_w(component));
 904
 905         /* the action taken was the same as the current install state */
 906         comp->Action = comp->Installed;
 907
 908         return ERROR_SUCCESS;
 909     }
 910
 911     comp->Action = INSTALLSTATE_LOCAL;
 912
 913     file_key = MSI_RecordGetString(row,3);
 914     if (!file_key)
 915     {
 916         ERR("Unable to get file key\n");
 917         return ERROR_FUNCTION_FAILED;
 918     }
 919
 920     rc = get_file_target(package,file_key,&file);
 921
 922     if (rc != ERROR_SUCCESS)
 923     {
 924         ERR("Original file unknown %s\n",debugstr_w(file_key));
 925         return ERROR_SUCCESS;
 926     }
 927
 928     if (MSI_RecordIsNull(row,4))
 929         strcpyW(dest_name,strrchrW(file->TargetPath,'\\')+1);
 930     else
 931     {
 932         sz=0x100;
 933         MSI_RecordGetStringW(row,4,dest_name,&sz);
 934         reduce_to_longfilename(dest_name);
 935     }
 936
 937     if (MSI_RecordIsNull(row,5))
 938     {
 939         LPWSTR p;
 940         dest_path = strdupW(file->TargetPath);
 941         p = strrchrW(dest_path,'\\');
 942         if (p)
 943             *p=0;
 944     }
 945     else
 946     {
 947         LPCWSTR destkey;
 948         destkey = MSI_RecordGetString(row,5);
 949         dest_path = resolve_folder(package, destkey, FALSE, FALSE, TRUE, NULL);
 950         if (!dest_path)
 951         {
 952             /* try a Property */
 953             dest_path = msi_dup_property( package, destkey );
 954             if (!dest_path)
 955             {
 956                 FIXME("Unable to get destination folder, try AppSearch properties\n");
 957                 return ERROR_SUCCESS;
 958             }
 959         }
 960     }
 961
 962     dest = build_directory_name(2, dest_path, dest_name);
 963     create_full_pathW(dest_path);
 964
 965     TRACE("Duplicating file %s to %s\n",debugstr_w(file->TargetPath),
 966                     debugstr_w(dest));
 967
 968     if (strcmpW(file->TargetPath,dest))
 969         rc = !CopyFileW(file->TargetPath,dest,TRUE);
 970     else
 971         rc = ERROR_SUCCESS;
 972
 973     if (rc != ERROR_SUCCESS)
 974         ERR("Failed to copy file %s -> %s, last error %d\n",
 975             debugstr_w(file->TargetPath), debugstr_w(dest_path), GetLastError());
 976
 977     FIXME("We should track these duplicate files as well\n");
 978
 979     msi_free(dest_path);
 980     msi_free(dest);
 981
 982     msi_file_update_ui(package, file, szDuplicateFiles);
 983
 984     return ERROR_SUCCESS;
 985 }
 986
 987 UINT ACTION_DuplicateFiles(MSIPACKAGE *package)
 988 {
 989     UINT rc;
 990     MSIQUERY * view;
 991     static const WCHAR ExecSeqQuery[] =
 992         {'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
 993          '`','D','u','p','l','i','c','a','t','e','F','i','l','e','`',0};
 994
 995     rc = MSI_DatabaseOpenViewW(package->db, ExecSeqQuery, &view);
 996     if (rc != ERROR_SUCCESS)
 997         return ERROR_SUCCESS;
 998
 999     rc = MSI_IterateRecords(view, NULL, ITERATE_DuplicateFiles, package);
1000     msiobj_release(&view->hdr);
1001
1002     return rc;
1003 }
1004
1005 /* compares the version of a file read from the filesystem and
1006  * the version specified in the File table
1007  */
1008 static int msi_compare_file_version( MSIFILE *file )
1009 {
1010     WCHAR version[MAX_PATH];
1011     DWORD size;
1012     UINT r;
1013
1014     size = MAX_PATH;
1015     version[0] = '\0';
1016     r = MsiGetFileVersionW( file->TargetPath, version, &size, NULL, NULL );
1017     if ( r != ERROR_SUCCESS )
1018         return 0;
1019
1020     return lstrcmpW( version, file->Version );
1021 }
1022
1023 UINT ACTION_RemoveFiles( MSIPACKAGE *package )
1024 {
1025     MSIFILE *file;
1026
1027     LIST_FOR_EACH_ENTRY( file, &package->files, MSIFILE, entry )
1028     {
1029         MSIRECORD *uirow;
1030         LPWSTR uipath, p;
1031
1032         if ( !file->Component )
1033             continue;
1034         if ( file->Component->Installed == INSTALLSTATE_LOCAL )
1035             continue;
1036
1037         if ( file->state == msifs_installed )
1038             ERR("removing installed file %s\n", debugstr_w(file->TargetPath));
1039
1040         if ( file->state != msifs_present )
1041             continue;
1042
1043         /* only remove a file if the version to be installed
1044          * is strictly newer than the old file
1045          */
1046         if ( msi_compare_file_version( file ) >= 0 )
1047             continue;
1048
1049         TRACE("removing %s\n", debugstr_w(file->File) );
1050         if ( !DeleteFileW( file->TargetPath ) )
1051             ERR("failed to delete %s\n",  debugstr_w(file->TargetPath) );
1052         file->state = msifs_missing;
1053
1054         /* the UI chunk */
1055         uirow = MSI_CreateRecord( 9 );
1056         MSI_RecordSetStringW( uirow, 1, file->FileName );
1057         uipath = strdupW( file->TargetPath );
1058         p = strrchrW(uipath,'\\');
1059         if (p)
1060             p[1]=0;
1061         MSI_RecordSetStringW( uirow, 9, uipath);
1062         ui_actiondata( package, szRemoveFiles, uirow);
1063         msiobj_release( &uirow->hdr );
1064         msi_free( uipath );
1065         /* FIXME: call ui_progress here? */
1066     }
1067
1068     return ERROR_SUCCESS;
1069 }