dlls/msi/media.c

   1 /*
   2  * Implementation of the Microsoft Installer (msi.dll)
   3  *
   4  * Copyright 2008 James Hawkins
   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 #include <fcntl.h>
  22 #include <stdarg.h>
  23
  24 #define COBJMACROS
  25
  26 #include "windef.h"
  27 #include "winerror.h"
  28 #include "wine/debug.h"
  29 #include "fdi.h"
  30 #include "msipriv.h"
  31 #include "winuser.h"
  32 #include "winreg.h"
  33 #include "shlwapi.h"
  34 #include "objidl.h"
  35 #include "resource.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(msi);
  38
  39 static BOOL source_matches_volume(MSIMEDIAINFO *mi, LPCWSTR source_root)
  40 {
  41     WCHAR volume_name[MAX_PATH + 1], root[MAX_PATH + 1];
  42     const WCHAR *p;
  43     int len, len2;
  44
  45     lstrcpyW(root, source_root);
  46     PathStripToRootW(root);
  47     PathAddBackslashW(root);
  48
  49     if (!GetVolumeInformationW(root, volume_name, MAX_PATH + 1, NULL, NULL, NULL, NULL, 0))
  50     {
  51         WARN( "failed to get volume information for %s (%lu)\n", debugstr_w(root), GetLastError() );
  52         return FALSE;
  53     }
  54
  55     len = lstrlenW( volume_name );
  56     len2 = lstrlenW( mi->volume_label );
  57     if (len2 > len) return FALSE;
  58     p = volume_name + len - len2;
  59
  60     return !wcsicmp( mi->volume_label, p );
  61 }
  62
  63 static UINT change_media(MSIPACKAGE *package, MSIMEDIAINFO *mi)
  64 {
  65     MSIRECORD *record;
  66     LPWSTR source_dir;
  67     UINT r = IDRETRY;
  68
  69     source_dir = msi_dup_property(package->db, L"SourceDir");
  70     record = MSI_CreateRecord(2);
  71
  72     while (r == IDRETRY && !source_matches_volume(mi, source_dir))
  73     {
  74         MSI_RecordSetStringW(record, 0, NULL);
  75         MSI_RecordSetInteger(record, 1, MSIERR_CABNOTFOUND);
  76         MSI_RecordSetStringW(record, 2, mi->disk_prompt);
  77         r = MSI_ProcessMessage(package, INSTALLMESSAGE_ERROR | MB_RETRYCANCEL, record);
  78     }
  79
  80     msiobj_release(&record->hdr);
  81     free(source_dir);
  82
  83     return r == IDRETRY ? ERROR_SUCCESS : ERROR_INSTALL_SOURCE_ABSENT;
  84 }
  85
  86 static MSICABINETSTREAM *get_cabinet_stream( MSIPACKAGE *package, UINT disk_id )
  87 {
  88     MSICABINETSTREAM *cab;
  89
  90     LIST_FOR_EACH_ENTRY( cab, &package->cabinet_streams, MSICABINETSTREAM, entry )
  91     {
  92         if (cab->disk_id == disk_id) return cab;
  93     }
  94     return NULL;
  95 }
  96
  97 static void * CDECL cabinet_alloc(ULONG cb)
  98 {
  99     return malloc(cb);
 100 }
 101
 102 static void CDECL cabinet_free(void *pv)
 103 {
 104     free(pv);
 105 }
 106
 107 static INT_PTR CDECL cabinet_open(char *pszFile, int oflag, int pmode)
 108 {
 109     DWORD dwAccess = 0;
 110     DWORD dwShareMode = 0;
 111     DWORD dwCreateDisposition = OPEN_EXISTING;
 112
 113     switch (oflag & _O_ACCMODE)
 114     {
 115     case _O_RDONLY:
 116         dwAccess = GENERIC_READ;
 117         dwShareMode = FILE_SHARE_READ | FILE_SHARE_DELETE;
 118         break;
 119     case _O_WRONLY:
 120         dwAccess = GENERIC_WRITE;
 121         dwShareMode = FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE;
 122         break;
 123     case _O_RDWR:
 124         dwAccess = GENERIC_READ | GENERIC_WRITE;
 125         dwShareMode = FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE;
 126         break;
 127     }
 128
 129     if ((oflag & (_O_CREAT | _O_EXCL)) == (_O_CREAT | _O_EXCL))
 130         dwCreateDisposition = CREATE_NEW;
 131     else if (oflag & _O_CREAT)
 132         dwCreateDisposition = CREATE_ALWAYS;
 133
 134     return (INT_PTR)CreateFileA(pszFile, dwAccess, dwShareMode, NULL,
 135                                 dwCreateDisposition, 0, NULL);
 136 }
 137
 138 static UINT CDECL cabinet_read(INT_PTR hf, void *pv, UINT cb)
 139 {
 140     HANDLE handle = (HANDLE)hf;
 141     DWORD read;
 142
 143     if (ReadFile(handle, pv, cb, &read, NULL))
 144         return read;
 145
 146     return 0;
 147 }
 148
 149 static UINT CDECL cabinet_write(INT_PTR hf, void *pv, UINT cb)
 150 {
 151     HANDLE handle = (HANDLE)hf;
 152     DWORD written;
 153
 154     if (WriteFile(handle, pv, cb, &written, NULL))
 155         return written;
 156
 157     return 0;
 158 }
 159
 160 static int CDECL cabinet_close(INT_PTR hf)
 161 {
 162     HANDLE handle = (HANDLE)hf;
 163     return CloseHandle(handle) ? 0 : -1;
 164 }
 165
 166 static LONG CDECL cabinet_seek(INT_PTR hf, LONG dist, int seektype)
 167 {
 168     HANDLE handle = (HANDLE)hf;
 169     /* flags are compatible and so are passed straight through */
 170     return SetFilePointer(handle, dist, NULL, seektype);
 171 }
 172
 173 struct package_disk
 174 {
 175     MSIPACKAGE *package;
 176     UINT        id;
 177 };
 178
 179 static struct package_disk package_disk;
 180
 181 static INT_PTR CDECL cabinet_open_stream( char *pszFile, int oflag, int pmode )
 182 {
 183     MSICABINETSTREAM *cab;
 184     IStream *stream;
 185
 186     if (!(cab = get_cabinet_stream( package_disk.package, package_disk.id )))
 187     {
 188         WARN("failed to get cabinet stream\n");
 189         return -1;
 190     }
 191     if (cab->storage == package_disk.package->db->storage)
 192     {
 193         UINT r = msi_get_stream( package_disk.package->db, cab->stream + 1, &stream );
 194         if (r != ERROR_SUCCESS)
 195         {
 196             WARN("failed to get stream %u\n", r);
 197             return -1;
 198         }
 199     }
 200     else /* patch storage */
 201     {
 202         HRESULT hr;
 203         WCHAR *encoded;
 204
 205         if (!(encoded = encode_streamname( FALSE, cab->stream + 1 )))
 206         {
 207             WARN("failed to encode stream name\n");
 208             return -1;
 209         }
 210         hr = IStorage_OpenStream( cab->storage, encoded, NULL, STGM_READ|STGM_SHARE_EXCLUSIVE, 0, &stream );
 211         free( encoded );
 212         if (FAILED(hr))
 213         {
 214             WARN( "failed to open stream %#lx\n", hr );
 215             return -1;
 216         }
 217     }
 218     return (INT_PTR)stream;
 219 }
 220
 221 static UINT CDECL cabinet_read_stream( INT_PTR hf, void *pv, UINT cb )
 222 {
 223     IStream *stm = (IStream *)hf;
 224     DWORD read;
 225     HRESULT hr;
 226
 227     hr = IStream_Read( stm, pv, cb, &read );
 228     if (hr == S_OK || hr == S_FALSE)
 229         return read;
 230
 231     return 0;
 232 }
 233
 234 static int CDECL cabinet_close_stream( INT_PTR hf )
 235 {
 236     IStream *stm = (IStream *)hf;
 237     IStream_Release( stm );
 238     return 0;
 239 }
 240
 241 static LONG CDECL cabinet_seek_stream( INT_PTR hf, LONG dist, int seektype )
 242 {
 243     IStream *stm = (IStream *)hf;
 244     LARGE_INTEGER move;
 245     ULARGE_INTEGER newpos;
 246     HRESULT hr;
 247
 248     move.QuadPart = dist;
 249     hr = IStream_Seek( stm, move, seektype, &newpos );
 250     if (SUCCEEDED(hr))
 251     {
 252         if (newpos.QuadPart <= MAXLONG) return newpos.QuadPart;
 253         ERR("Too big!\n");
 254     }
 255     return -1;
 256 }
 257
 258 static UINT media_get_disk_info(MSIPACKAGE *package, MSIMEDIAINFO *mi)
 259 {
 260     MSIRECORD *row;
 261
 262     row = MSI_QueryGetRecord(package->db, L"SELECT * FROM `Media` WHERE `DiskId` = %d", mi->disk_id);
 263     if (!row)
 264     {
 265         TRACE("Unable to query row\n");
 266         return ERROR_FUNCTION_FAILED;
 267     }
 268
 269     mi->disk_prompt = wcsdup(MSI_RecordGetString(row, 3));
 270     mi->cabinet = wcsdup(MSI_RecordGetString(row, 4));
 271     mi->volume_label = wcsdup(MSI_RecordGetString(row, 5));
 272
 273     msiobj_release(&row->hdr);
 274     return ERROR_SUCCESS;
 275 }
 276
 277 static INT_PTR cabinet_partial_file(FDINOTIFICATIONTYPE fdint,
 278                                     PFDINOTIFICATION pfdin)
 279 {
 280     MSICABDATA *data = pfdin->pv;
 281     data->mi->is_continuous = FALSE;
 282     return 0;
 283 }
 284
 285 static WCHAR *get_cabinet_filename(MSIMEDIAINFO *mi)
 286 {
 287     int len;
 288     WCHAR *ret;
 289
 290     len = lstrlenW(mi->sourcedir) + lstrlenW(mi->cabinet) + 1;
 291     if (!(ret = malloc(len * sizeof(WCHAR)))) return NULL;
 292     lstrcpyW(ret, mi->sourcedir);
 293     lstrcatW(ret, mi->cabinet);
 294     return ret;
 295 }
 296
 297 static INT_PTR cabinet_next_cabinet(FDINOTIFICATIONTYPE fdint,
 298                                     PFDINOTIFICATION pfdin)
 299 {
 300     MSICABDATA *data = pfdin->pv;
 301     MSIMEDIAINFO *mi = data->mi;
 302     LPWSTR cabinet_file = NULL, cab = strdupAtoW(pfdin->psz1);
 303     INT_PTR res = -1;
 304     UINT rc;
 305
 306     free(mi->disk_prompt);
 307     free(mi->cabinet);
 308     free(mi->volume_label);
 309     mi->disk_prompt = NULL;
 310     mi->cabinet = NULL;
 311     mi->volume_label = NULL;
 312
 313     mi->disk_id++;
 314     mi->is_continuous = TRUE;
 315
 316     rc = media_get_disk_info(data->package, mi);
 317     if (rc != ERROR_SUCCESS)
 318     {
 319         ERR("Failed to get next cabinet information: %d\n", rc);
 320         goto done;
 321     }
 322
 323     if (wcsicmp( mi->cabinet, cab ))
 324     {
 325         char *next_cab;
 326         ULONG length;
 327
 328         WARN("Continuous cabinet %s does not match the next cabinet %s in the media table => use latter one\n", debugstr_w(cab), debugstr_w(mi->cabinet));
 329
 330         /* Use cabinet name from the media table */
 331         next_cab = strdupWtoA(mi->cabinet);
 332         /* Modify path to cabinet file with full filename (psz3 points to a 256 bytes buffer that can be modified contrary to psz1 and psz2) */
 333         length = strlen(pfdin->psz3) + 1 + strlen(next_cab) + 1;
 334         if (length > 256)
 335         {
 336             WARN( "cannot update next cabinet filename with a string size %lu > 256\n", length );
 337             free(next_cab);
 338             goto done;
 339         }
 340         else
 341         {
 342             strcat(pfdin->psz3, "\\");
 343             strcat(pfdin->psz3, next_cab);
 344         }
 345         /* Path psz3 and cabinet psz1 are concatenated by FDI so just reset psz1 */
 346         *pfdin->psz1 = 0;
 347         free(next_cab);
 348     }
 349
 350     if (!(cabinet_file = get_cabinet_filename(mi)))
 351         goto done;
 352
 353     TRACE("Searching for %s\n", debugstr_w(cabinet_file));
 354
 355     res = 0;
 356     if (GetFileAttributesW(cabinet_file) == INVALID_FILE_ATTRIBUTES)
 357     {
 358         if (change_media(data->package, mi) != ERROR_SUCCESS)
 359             res = -1;
 360     }
 361
 362 done:
 363     free(cab);
 364     free(cabinet_file);
 365     return res;
 366 }
 367
 368 static INT_PTR cabinet_next_cabinet_stream( FDINOTIFICATIONTYPE fdint,
 369                                             PFDINOTIFICATION pfdin )
 370 {
 371     MSICABDATA *data = pfdin->pv;
 372     MSIMEDIAINFO *mi = data->mi;
 373     UINT rc;
 374
 375     free( mi->disk_prompt );
 376     free( mi->cabinet );
 377     free( mi->volume_label );
 378     mi->disk_prompt = NULL;
 379     mi->cabinet = NULL;
 380     mi->volume_label = NULL;
 381
 382     mi->disk_id++;
 383     mi->is_continuous = TRUE;
 384
 385     rc = media_get_disk_info( data->package, mi );
 386     if (rc != ERROR_SUCCESS)
 387     {
 388         ERR("Failed to get next cabinet information: %u\n", rc);
 389         return -1;
 390     }
 391     package_disk.id = mi->disk_id;
 392
 393     TRACE("next cabinet is %s disk id %u\n", debugstr_w(mi->cabinet), mi->disk_id);
 394     return 0;
 395 }
 396
 397 static INT_PTR cabinet_copy_file(FDINOTIFICATIONTYPE fdint,
 398                                  PFDINOTIFICATION pfdin)
 399 {
 400     MSICABDATA *data = pfdin->pv;
 401     HANDLE handle = 0;
 402     LPWSTR path = NULL;
 403     DWORD attrs;
 404
 405     data->curfile = strdupAtoW(pfdin->psz1);
 406     if (!data->cb(data->package, data->curfile, MSICABEXTRACT_BEGINEXTRACT, &path,
 407                   &attrs, data->user))
 408     {
 409         /* We're not extracting this file, so free the filename. */
 410         free(data->curfile);
 411         data->curfile = NULL;
 412         goto done;
 413     }
 414
 415     TRACE("extracting %s -> %s\n", debugstr_w(data->curfile), debugstr_w(path));
 416
 417     attrs = attrs & (FILE_ATTRIBUTE_READONLY|FILE_ATTRIBUTE_HIDDEN|FILE_ATTRIBUTE_SYSTEM);
 418     if (!attrs) attrs = FILE_ATTRIBUTE_NORMAL;
 419
 420     handle = msi_create_file( data->package, path, GENERIC_READ | GENERIC_WRITE, 0, CREATE_ALWAYS, attrs );
 421     if (handle == INVALID_HANDLE_VALUE)
 422     {
 423         DWORD err = GetLastError();
 424         DWORD attrs2 = msi_get_file_attributes( data->package, path );
 425
 426         if (attrs2 == INVALID_FILE_ATTRIBUTES)
 427         {
 428             ERR( "failed to create %s (error %lu)\n", debugstr_w(path), err );
 429             goto done;
 430         }
 431         else if (err == ERROR_ACCESS_DENIED && (attrs2 & FILE_ATTRIBUTE_READONLY))
 432         {
 433             TRACE("removing read-only attribute on %s\n", debugstr_w(path));
 434             msi_set_file_attributes( data->package, path, attrs2 & ~FILE_ATTRIBUTE_READONLY );
 435             handle = msi_create_file( data->package, path, GENERIC_READ | GENERIC_WRITE, 0, CREATE_ALWAYS, attrs );
 436
 437             if (handle != INVALID_HANDLE_VALUE) goto done;
 438             err = GetLastError();
 439         }
 440         if (err == ERROR_SHARING_VIOLATION || err == ERROR_USER_MAPPED_FILE)
 441         {
 442             WCHAR *tmpfileW, *tmppathW, *p;
 443             DWORD len;
 444
 445             TRACE("file in use, scheduling rename operation\n");
 446
 447             if (!(tmppathW = wcsdup(path))) return ERROR_OUTOFMEMORY;
 448             if ((p = wcsrchr(tmppathW, '\\'))) *p = 0;
 449             len = lstrlenW( tmppathW ) + 16;
 450             if (!(tmpfileW = malloc(len * sizeof(WCHAR))))
 451             {
 452                 free( tmppathW );
 453                 return ERROR_OUTOFMEMORY;
 454             }
 455             if (!msi_get_temp_file_name( data->package, tmppathW, L"msi", tmpfileW )) tmpfileW[0] = 0;
 456             free( tmppathW );
 457
 458             handle = msi_create_file( data->package, tmpfileW, GENERIC_READ | GENERIC_WRITE, 0, CREATE_ALWAYS, attrs );
 459
 460             if (handle != INVALID_HANDLE_VALUE &&
 461                 msi_move_file( data->package, path, NULL, MOVEFILE_DELAY_UNTIL_REBOOT ) &&
 462                 msi_move_file( data->package, tmpfileW, path, MOVEFILE_DELAY_UNTIL_REBOOT ))
 463             {
 464                 data->package->need_reboot_at_end = 1;
 465             }
 466             else
 467             {
 468                 WARN( "failed to schedule rename operation %s (error %lu)\n", debugstr_w(path), GetLastError() );
 469                 msi_delete_file( data->package, tmpfileW );
 470             }
 471             free(tmpfileW);
 472         }
 473         else WARN( "failed to create %s (error %lu)\n", debugstr_w(path), err );
 474     }
 475
 476 done:
 477     free(path);
 478
 479     return (INT_PTR)handle;
 480 }
 481
 482 static INT_PTR cabinet_close_file_info(FDINOTIFICATIONTYPE fdint,
 483                                        PFDINOTIFICATION pfdin)
 484 {
 485     MSICABDATA *data = pfdin->pv;
 486     FILETIME ft;
 487     FILETIME ftLocal;
 488     HANDLE handle = (HANDLE)pfdin->hf;
 489
 490     data->mi->is_continuous = FALSE;
 491
 492     if (!DosDateTimeToFileTime(pfdin->date, pfdin->time, &ft))
 493     {
 494         CloseHandle(handle);
 495         return -1;
 496     }
 497     if (!LocalFileTimeToFileTime(&ft, &ftLocal))
 498     {
 499         CloseHandle(handle);
 500         return -1;
 501     }
 502     if (!SetFileTime(handle, &ftLocal, 0, &ftLocal))
 503     {
 504         CloseHandle(handle);
 505         return -1;
 506     }
 507
 508     CloseHandle(handle);
 509     data->cb(data->package, data->curfile, MSICABEXTRACT_FILEEXTRACTED, NULL, NULL, data->user);
 510
 511     free(data->curfile);
 512     data->curfile = NULL;
 513
 514     return 1;
 515 }
 516
 517 static INT_PTR CDECL cabinet_notify(FDINOTIFICATIONTYPE fdint, PFDINOTIFICATION pfdin)
 518 {
 519     switch (fdint)
 520     {
 521     case fdintPARTIAL_FILE:
 522         return cabinet_partial_file(fdint, pfdin);
 523
 524     case fdintNEXT_CABINET:
 525         return cabinet_next_cabinet(fdint, pfdin);
 526
 527     case fdintCOPY_FILE:
 528         return cabinet_copy_file(fdint, pfdin);
 529
 530     case fdintCLOSE_FILE_INFO:
 531         return cabinet_close_file_info(fdint, pfdin);
 532
 533     default:
 534         return 0;
 535     }
 536 }
 537
 538 static INT_PTR CDECL cabinet_notify_stream( FDINOTIFICATIONTYPE fdint, PFDINOTIFICATION pfdin )
 539 {
 540     switch (fdint)
 541     {
 542     case fdintPARTIAL_FILE:
 543         return cabinet_partial_file( fdint, pfdin );
 544
 545     case fdintNEXT_CABINET:
 546         return cabinet_next_cabinet_stream( fdint, pfdin );
 547
 548     case fdintCOPY_FILE:
 549         return cabinet_copy_file( fdint, pfdin );
 550
 551     case fdintCLOSE_FILE_INFO:
 552         return cabinet_close_file_info( fdint, pfdin );
 553
 554     case fdintCABINET_INFO:
 555         return 0;
 556
 557     default:
 558         ERR("Unexpected notification %d\n", fdint);
 559         return 0;
 560     }
 561 }
 562
 563 static BOOL extract_cabinet( MSIPACKAGE* package, MSIMEDIAINFO *mi, LPVOID data )
 564 {
 565     LPSTR cabinet, cab_path = NULL;
 566     HFDI hfdi;
 567     ERF erf;
 568     BOOL ret = FALSE;
 569
 570     TRACE("extracting %s disk id %u\n", debugstr_w(mi->cabinet), mi->disk_id);
 571
 572     hfdi = FDICreate( cabinet_alloc, cabinet_free, cabinet_open, cabinet_read,
 573                       cabinet_write, cabinet_close, cabinet_seek, 0, &erf );
 574     if (!hfdi)
 575     {
 576         ERR("FDICreate failed\n");
 577         return FALSE;
 578     }
 579
 580     cabinet = strdupWtoA( mi->cabinet );
 581     if (!cabinet)
 582         goto done;
 583
 584     cab_path = strdupWtoA( mi->sourcedir );
 585     if (!cab_path)
 586         goto done;
 587
 588     ret = FDICopy( hfdi, cabinet, cab_path, 0, cabinet_notify, NULL, data );
 589     if (!ret)
 590         ERR("FDICopy failed\n");
 591
 592 done:
 593     FDIDestroy( hfdi );
 594     free( cabinet );
 595     free( cab_path );
 596
 597     if (ret)
 598         mi->is_extracted = TRUE;
 599
 600     return ret;
 601 }
 602
 603 static BOOL extract_cabinet_stream( MSIPACKAGE *package, MSIMEDIAINFO *mi, LPVOID data )
 604 {
 605     static char filename[] = {'<','S','T','R','E','A','M','>',0};
 606     HFDI hfdi;
 607     ERF erf;
 608     BOOL ret = FALSE;
 609
 610     TRACE("extracting %s disk id %u\n", debugstr_w(mi->cabinet), mi->disk_id);
 611
 612     hfdi = FDICreate( cabinet_alloc, cabinet_free, cabinet_open_stream, cabinet_read_stream,
 613                       cabinet_write, cabinet_close_stream, cabinet_seek_stream, 0, &erf );
 614     if (!hfdi)
 615     {
 616         ERR("FDICreate failed\n");
 617         return FALSE;
 618     }
 619
 620     package_disk.package = package;
 621     package_disk.id      = mi->disk_id;
 622
 623     ret = FDICopy( hfdi, filename, NULL, 0, cabinet_notify_stream, NULL, data );
 624     if (!ret) ERR("FDICopy failed\n");
 625
 626     FDIDestroy( hfdi );
 627     if (ret) mi->is_extracted = TRUE;
 628     return ret;
 629 }
 630
 631 /***********************************************************************
 632  *            msi_cabextract
 633  *
 634  * Extract files from a cabinet file or stream.
 635  */
 636 BOOL msi_cabextract(MSIPACKAGE* package, MSIMEDIAINFO *mi, LPVOID data)
 637 {
 638     if (mi->cabinet[0] == '#')
 639     {
 640         return extract_cabinet_stream( package, mi, data );
 641     }
 642     return extract_cabinet( package, mi, data );
 643 }
 644
 645 void msi_free_media_info(MSIMEDIAINFO *mi)
 646 {
 647     free(mi->disk_prompt);
 648     free(mi->cabinet);
 649     free(mi->volume_label);
 650     free(mi->last_volume);
 651     free(mi);
 652 }
 653
 654 static UINT get_drive_type(const WCHAR *path)
 655 {
 656     WCHAR root[MAX_PATH + 1];
 657
 658     lstrcpyW(root, path);
 659     PathStripToRootW(root);
 660     PathAddBackslashW(root);
 661
 662     return GetDriveTypeW(root);
 663 }
 664
 665 static WCHAR *get_base_url( MSIDATABASE *db )
 666 {
 667     WCHAR *p, *ret = NULL, *orig_db = msi_dup_property( db, L"OriginalDatabase" );
 668     if (UrlIsW( orig_db, URLIS_URL ) && (ret = wcsdup( orig_db )) && (p = wcsrchr( ret, '/' ))) p[1] = 0;
 669     free( orig_db );
 670     return ret;
 671 }
 672
 673 UINT msi_load_media_info(MSIPACKAGE *package, UINT Sequence, MSIMEDIAINFO *mi)
 674 {
 675     MSIRECORD *row;
 676     WCHAR *source_dir, *source, *base_url = NULL;
 677     DWORD options;
 678
 679     if (Sequence <= mi->last_sequence) /* already loaded */
 680         return ERROR_SUCCESS;
 681
 682     row = MSI_QueryGetRecord(package->db, L"SELECT * FROM `Media` WHERE `LastSequence` >= %d ORDER BY `DiskId`", Sequence);
 683     if (!row)
 684     {
 685         TRACE("Unable to query row\n");
 686         return ERROR_FUNCTION_FAILED;
 687     }
 688
 689     mi->is_extracted = FALSE;
 690     mi->disk_id = MSI_RecordGetInteger(row, 1);
 691     mi->last_sequence = MSI_RecordGetInteger(row, 2);
 692     free(mi->disk_prompt);
 693     mi->disk_prompt = wcsdup(MSI_RecordGetString(row, 3));
 694     free(mi->cabinet);
 695     mi->cabinet = wcsdup(MSI_RecordGetString(row, 4));
 696     free(mi->volume_label);
 697     mi->volume_label = wcsdup(MSI_RecordGetString(row, 5));
 698     msiobj_release(&row->hdr);
 699
 700     msi_set_sourcedir_props(package, FALSE);
 701     source_dir = msi_dup_property(package->db, L"SourceDir");
 702     lstrcpyW(mi->sourcedir, source_dir);
 703     PathAddBackslashW(mi->sourcedir);
 704     mi->type = get_drive_type(source_dir);
 705
 706     options = MSICODE_PRODUCT;
 707     if (mi->type == DRIVE_CDROM || mi->type == DRIVE_REMOVABLE)
 708     {
 709         source = source_dir;
 710         options |= MSISOURCETYPE_MEDIA;
 711     }
 712     else if ((base_url = get_base_url(package->db)))
 713     {
 714         source = base_url;
 715         options |= MSISOURCETYPE_URL;
 716     }
 717     else
 718     {
 719         source = mi->sourcedir;
 720         options |= MSISOURCETYPE_NETWORK;
 721     }
 722
 723     msi_package_add_media_disk(package, package->Context,
 724                                MSICODE_PRODUCT, mi->disk_id,
 725                                mi->volume_label, mi->disk_prompt);
 726
 727     msi_package_add_info(package, package->Context,
 728                          options, INSTALLPROPERTY_LASTUSEDSOURCEW, source);
 729
 730     TRACE("sequence %u -> cabinet %s disk id %u\n", Sequence, debugstr_w(mi->cabinet), mi->disk_id);
 731
 732     free(base_url);
 733     free(source_dir);
 734     return ERROR_SUCCESS;
 735 }
 736
 737 /* FIXME: search URL sources as well */
 738 static UINT find_published_source(MSIPACKAGE *package, MSIMEDIAINFO *mi)
 739 {
 740     WCHAR source[MAX_PATH];
 741     WCHAR volume[MAX_PATH];
 742     WCHAR prompt[MAX_PATH];
 743     DWORD volumesz, promptsz;
 744     DWORD index, size, id;
 745     WCHAR last_type[2];
 746     UINT r;
 747
 748     size = 2;
 749     r = MsiSourceListGetInfoW(package->ProductCode, NULL,
 750                               package->Context, MSICODE_PRODUCT,
 751                               INSTALLPROPERTY_LASTUSEDTYPEW, last_type, &size);
 752     if (r != ERROR_SUCCESS)
 753         return r;
 754
 755     size = MAX_PATH;
 756     r = MsiSourceListGetInfoW(package->ProductCode, NULL,
 757                               package->Context, MSICODE_PRODUCT,
 758                               INSTALLPROPERTY_LASTUSEDSOURCEW, source, &size);
 759     if (r != ERROR_SUCCESS)
 760         return r;
 761
 762     if (last_type[0] == 'n')
 763     {
 764         WCHAR cabinet_file[MAX_PATH];
 765         BOOL check_all = FALSE;
 766
 767         while(TRUE)
 768         {
 769             index = 0;
 770             volumesz = MAX_PATH;
 771             while (MsiSourceListEnumSourcesW(package->ProductCode, NULL,
 772                                              package->Context,
 773                                              MSISOURCETYPE_NETWORK, index++,
 774                                              volume, &volumesz) == ERROR_SUCCESS)
 775             {
 776                 if (check_all || !wcsnicmp(source, volume, lstrlenW(source)))
 777                 {
 778                     lstrcpyW(cabinet_file, volume);
 779                     PathAddBackslashW(cabinet_file);
 780                     lstrcatW(cabinet_file, mi->cabinet);
 781
 782                     if (GetFileAttributesW(cabinet_file) == INVALID_FILE_ATTRIBUTES)
 783                     {
 784                         volumesz = MAX_PATH;
 785                         if(!check_all)
 786                             break;
 787                         continue;
 788                     }
 789
 790                     lstrcpyW(mi->sourcedir, volume);
 791                     PathAddBackslashW(mi->sourcedir);
 792                     TRACE("Found network source %s\n", debugstr_w(mi->sourcedir));
 793                     return ERROR_SUCCESS;
 794                 }
 795             }
 796
 797             if (!check_all)
 798                 check_all = TRUE;
 799             else
 800                 break;
 801         }
 802     }
 803
 804     index = 0;
 805     volumesz = MAX_PATH;
 806     promptsz = MAX_PATH;
 807     while (MsiSourceListEnumMediaDisksW(package->ProductCode, NULL,
 808                                         package->Context,
 809                                         MSICODE_PRODUCT, index++, &id,
 810                                         volume, &volumesz, prompt, &promptsz) == ERROR_SUCCESS)
 811     {
 812         mi->disk_id = id;
 813         free( mi->volume_label );
 814         if (!(mi->volume_label = malloc( ++volumesz * sizeof(WCHAR) ))) return ERROR_OUTOFMEMORY;
 815         lstrcpyW( mi->volume_label, volume );
 816
 817         free( mi->disk_prompt );
 818         if (!(mi->disk_prompt = malloc( ++promptsz * sizeof(WCHAR) ))) return ERROR_OUTOFMEMORY;
 819         lstrcpyW( mi->disk_prompt, prompt );
 820
 821         if (source_matches_volume(mi, source))
 822         {
 823             /* FIXME: what about SourceDir */
 824             lstrcpyW(mi->sourcedir, source);
 825             PathAddBackslashW(mi->sourcedir);
 826             TRACE("Found disk source %s\n", debugstr_w(mi->sourcedir));
 827             return ERROR_SUCCESS;
 828         }
 829     }
 830
 831     return ERROR_FUNCTION_FAILED;
 832 }
 833
 834 UINT ready_media( MSIPACKAGE *package, BOOL compressed, MSIMEDIAINFO *mi )
 835 {
 836     UINT rc;
 837     WCHAR *cabinet_file = NULL;
 838
 839     /* media info for continuous cabinet is already loaded */
 840     if (mi->is_continuous) return ERROR_SUCCESS;
 841
 842     if (mi->cabinet)
 843     {
 844         WCHAR *base_url;
 845
 846         /* cabinet is internal, no checks needed */
 847         if (mi->cabinet[0] == '#') return ERROR_SUCCESS;
 848
 849         if (!(cabinet_file = get_cabinet_filename( mi ))) return ERROR_OUTOFMEMORY;
 850
 851         /* package should be downloaded */
 852         if (compressed && GetFileAttributesW( cabinet_file ) == INVALID_FILE_ATTRIBUTES &&
 853             (base_url = get_base_url( package->db )))
 854         {
 855             WCHAR temppath[MAX_PATH], *p, *url;
 856
 857             free( cabinet_file );
 858             if (!(url = realloc( base_url, (wcslen( base_url ) + wcslen( mi->cabinet ) + 1) * sizeof(WCHAR) )))
 859             {
 860                 free( base_url );
 861                 return ERROR_OUTOFMEMORY;
 862             }
 863             lstrcatW( url, mi->cabinet );
 864             if ((rc = msi_download_file( url, temppath )) != ERROR_SUCCESS)
 865             {
 866                 ERR("failed to download %s (%u)\n", debugstr_w(url), rc);
 867                 free( url );
 868                 return rc;
 869             }
 870             if ((p = wcsrchr( temppath, '\\' ))) *p = 0;
 871             lstrcpyW( mi->sourcedir, temppath );
 872             PathAddBackslashW( mi->sourcedir );
 873             free( mi->cabinet );
 874             mi->cabinet = wcsdup( p + 1 );
 875
 876             free( url );
 877             return ERROR_SUCCESS;
 878         }
 879     }
 880     /* check volume matches, change media if not */
 881     if (mi->volume_label)
 882     {
 883         /* assume first volume is in the drive */
 884         if (mi->last_volume && wcsicmp( mi->last_volume, mi->volume_label ))
 885         {
 886             WCHAR *source = msi_dup_property( package->db, L"SourceDir" );
 887             BOOL match = source_matches_volume( mi, source );
 888             free( source );
 889
 890             if (!match && (mi->type == DRIVE_CDROM || mi->type == DRIVE_REMOVABLE))
 891             {
 892                 if ((rc = change_media( package, mi )) != ERROR_SUCCESS)
 893                 {
 894                     free( cabinet_file );
 895                     return rc;
 896                 }
 897             }
 898         }
 899
 900         free(mi->last_volume);
 901         mi->last_volume = wcsdup(mi->volume_label);
 902     }
 903     if (mi->cabinet)
 904     {
 905         if (compressed && GetFileAttributesW( cabinet_file ) == INVALID_FILE_ATTRIBUTES)
 906         {
 907             if ((rc = find_published_source( package, mi )) != ERROR_SUCCESS)
 908             {
 909                 ERR("cabinet not found: %s\n", debugstr_w(cabinet_file));
 910                 free( cabinet_file );
 911                 return ERROR_INSTALL_FAILURE;
 912             }
 913         }
 914     }
 915     free( cabinet_file );
 916     return ERROR_SUCCESS;
 917 }
 918
 919 UINT msi_add_cabinet_stream( MSIPACKAGE *package, UINT disk_id, IStorage *storage, const WCHAR *name )
 920 {
 921     MSICABINETSTREAM *cab, *item;
 922
 923     TRACE("%p, %u, %p, %s\n", package, disk_id, storage, debugstr_w(name));
 924
 925     LIST_FOR_EACH_ENTRY( item, &package->cabinet_streams, MSICABINETSTREAM, entry )
 926     {
 927         if (item->disk_id == disk_id)
 928         {
 929             TRACE("duplicate disk id %u\n", disk_id);
 930             return ERROR_FUNCTION_FAILED;
 931         }
 932     }
 933     if (!(cab = malloc( sizeof(*cab) ))) return ERROR_OUTOFMEMORY;
 934     if (!(cab->stream = malloc( (wcslen( name ) + 1) * sizeof(WCHAR) )))
 935     {
 936         free( cab );
 937         return ERROR_OUTOFMEMORY;
 938     }
 939     lstrcpyW( cab->stream, name );
 940     cab->disk_id = disk_id;
 941     cab->storage = storage;
 942     IStorage_AddRef( storage );
 943     list_add_tail( &package->cabinet_streams, &cab->entry );
 944
 945     return ERROR_SUCCESS;
 946 }