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 <stdarg.h>
  22
  23 #define COBJMACROS
  24
  25 #include "windef.h"
  26 #include "winerror.h"
  27 #include "wine/debug.h"
  28 #include "fdi.h"
  29 #include "msipriv.h"
  30 #include "winuser.h"
  31 #include "winreg.h"
  32 #include "shlwapi.h"
  33 #include "objidl.h"
  34 #include "wine/unicode.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(msi);
  37
  38 /* from msvcrt/fcntl.h */
  39 #define _O_RDONLY      0
  40 #define _O_WRONLY      1
  41 #define _O_RDWR        2
  42 #define _O_ACCMODE     (_O_RDONLY|_O_WRONLY|_O_RDWR)
  43 #define _O_APPEND      0x0008
  44 #define _O_RANDOM      0x0010
  45 #define _O_SEQUENTIAL  0x0020
  46 #define _O_TEMPORARY   0x0040
  47 #define _O_NOINHERIT   0x0080
  48 #define _O_CREAT       0x0100
  49 #define _O_TRUNC       0x0200
  50 #define _O_EXCL        0x0400
  51 #define _O_SHORT_LIVED 0x1000
  52 #define _O_TEXT        0x4000
  53 #define _O_BINARY      0x8000
  54
  55 static BOOL source_matches_volume(MSIMEDIAINFO *mi, LPCWSTR source_root)
  56 {
  57     WCHAR volume_name[MAX_PATH + 1];
  58     WCHAR root[MAX_PATH + 1];
  59
  60     strcpyW(root, source_root);
  61     PathStripToRootW(root);
  62     PathAddBackslashW(root);
  63
  64     if (!GetVolumeInformationW(root, volume_name, MAX_PATH + 1,
  65                                NULL, NULL, NULL, NULL, 0))
  66     {
  67         ERR("Failed to get volume information\n");
  68         return FALSE;
  69     }
  70
  71     return !lstrcmpW(mi->volume_label, volume_name);
  72 }
  73
  74 static UINT msi_change_media(MSIPACKAGE *package, MSIMEDIAINFO *mi)
  75 {
  76     LPWSTR error, error_dialog;
  77     LPWSTR source_dir;
  78     UINT r = ERROR_SUCCESS;
  79
  80     static const WCHAR error_prop[] = {'E','r','r','o','r','D','i','a','l','o','g',0};
  81
  82     if ((msi_get_property_int(package->db, szUILevel, 0) & INSTALLUILEVEL_MASK) ==
  83          INSTALLUILEVEL_NONE && !gUIHandlerA && !gUIHandlerW && !gUIHandlerRecord)
  84         return ERROR_SUCCESS;
  85
  86     error = generate_error_string(package, 1302, 1, mi->disk_prompt);
  87     error_dialog = msi_dup_property(package->db, error_prop);
  88     source_dir = msi_dup_property(package->db, cszSourceDir);
  89
  90     while (r == ERROR_SUCCESS && !source_matches_volume(mi, source_dir))
  91     {
  92         r = msi_spawn_error_dialog(package, error_dialog, error);
  93
  94         if (gUIHandlerW)
  95         {
  96             gUIHandlerW(gUIContext, MB_RETRYCANCEL | INSTALLMESSAGE_ERROR, error);
  97         }
  98         else if (gUIHandlerA)
  99         {
 100             char *msg = strdupWtoA(error);
 101             gUIHandlerA(gUIContext, MB_RETRYCANCEL | INSTALLMESSAGE_ERROR, msg);
 102             msi_free(msg);
 103         }
 104         else if (gUIHandlerRecord)
 105         {
 106             MSIHANDLE rec = MsiCreateRecord(1);
 107             MsiRecordSetStringW(rec, 0, error);
 108             gUIHandlerRecord(gUIContext, MB_RETRYCANCEL | INSTALLMESSAGE_ERROR, rec);
 109             MsiCloseHandle(rec);
 110         }
 111     }
 112
 113     msi_free(error);
 114     msi_free(error_dialog);
 115     msi_free(source_dir);
 116
 117     return r;
 118 }
 119
 120 static void * CDECL cabinet_alloc(ULONG cb)
 121 {
 122     return msi_alloc(cb);
 123 }
 124
 125 static void CDECL cabinet_free(void *pv)
 126 {
 127     msi_free(pv);
 128 }
 129
 130 static INT_PTR CDECL cabinet_open(char *pszFile, int oflag, int pmode)
 131 {
 132     HANDLE handle;
 133     DWORD dwAccess = 0;
 134     DWORD dwShareMode = 0;
 135     DWORD dwCreateDisposition = OPEN_EXISTING;
 136
 137     switch (oflag & _O_ACCMODE)
 138     {
 139     case _O_RDONLY:
 140         dwAccess = GENERIC_READ;
 141         dwShareMode = FILE_SHARE_READ | FILE_SHARE_DELETE;
 142         break;
 143     case _O_WRONLY:
 144         dwAccess = GENERIC_WRITE;
 145         dwShareMode = FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE;
 146         break;
 147     case _O_RDWR:
 148         dwAccess = GENERIC_READ | GENERIC_WRITE;
 149         dwShareMode = FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE;
 150         break;
 151     }
 152
 153     if ((oflag & (_O_CREAT | _O_EXCL)) == (_O_CREAT | _O_EXCL))
 154         dwCreateDisposition = CREATE_NEW;
 155     else if (oflag & _O_CREAT)
 156         dwCreateDisposition = CREATE_ALWAYS;
 157
 158     handle = CreateFileA(pszFile, dwAccess, dwShareMode, NULL,
 159                          dwCreateDisposition, 0, NULL);
 160     if (handle == INVALID_HANDLE_VALUE)
 161         return 0;
 162
 163     return (INT_PTR)handle;
 164 }
 165
 166 static UINT CDECL cabinet_read(INT_PTR hf, void *pv, UINT cb)
 167 {
 168     HANDLE handle = (HANDLE)hf;
 169     DWORD read;
 170
 171     if (ReadFile(handle, pv, cb, &read, NULL))
 172         return read;
 173
 174     return 0;
 175 }
 176
 177 static UINT CDECL cabinet_write(INT_PTR hf, void *pv, UINT cb)
 178 {
 179     HANDLE handle = (HANDLE)hf;
 180     DWORD written;
 181
 182     if (WriteFile(handle, pv, cb, &written, NULL))
 183         return written;
 184
 185     return 0;
 186 }
 187
 188 static int CDECL cabinet_close(INT_PTR hf)
 189 {
 190     HANDLE handle = (HANDLE)hf;
 191     return CloseHandle(handle) ? 0 : -1;
 192 }
 193
 194 static LONG CDECL cabinet_seek(INT_PTR hf, LONG dist, int seektype)
 195 {
 196     HANDLE handle = (HANDLE)hf;
 197     /* flags are compatible and so are passed straight through */
 198     return SetFilePointer(handle, dist, NULL, seektype);
 199 }
 200
 201 struct cab_stream
 202 {
 203     MSIDATABASE *db;
 204     WCHAR       *name;
 205 };
 206
 207 static struct cab_stream cab_stream;
 208
 209 static INT_PTR CDECL cabinet_open_stream( char *pszFile, int oflag, int pmode )
 210 {
 211     UINT r;
 212     IStream *stm;
 213
 214     if (oflag)
 215         WARN("ignoring open flags 0x%08x\n", oflag);
 216
 217     r = db_get_raw_stream( cab_stream.db, cab_stream.name, &stm );
 218     if (r != ERROR_SUCCESS)
 219     {
 220         WARN("Failed to get cabinet stream %u\n", r);
 221         return 0;
 222     }
 223
 224     return (INT_PTR)stm;
 225 }
 226
 227 static UINT CDECL cabinet_read_stream( INT_PTR hf, void *pv, UINT cb )
 228 {
 229     IStream *stm = (IStream *)hf;
 230     DWORD read;
 231     HRESULT hr;
 232
 233     hr = IStream_Read( stm, pv, cb, &read );
 234     if (hr == S_OK || hr == S_FALSE)
 235         return read;
 236
 237     return 0;
 238 }
 239
 240 static int CDECL cabinet_close_stream( INT_PTR hf )
 241 {
 242     IStream *stm = (IStream *)hf;
 243     IStream_Release( stm );
 244     return 0;
 245 }
 246
 247 static LONG CDECL cabinet_seek_stream( INT_PTR hf, LONG dist, int seektype )
 248 {
 249     IStream *stm = (IStream *)hf;
 250     LARGE_INTEGER move;
 251     ULARGE_INTEGER newpos;
 252     HRESULT hr;
 253
 254     move.QuadPart = dist;
 255     hr = IStream_Seek( stm, move, seektype, &newpos );
 256     if (SUCCEEDED(hr))
 257     {
 258         if (newpos.QuadPart <= MAXLONG) return newpos.QuadPart;
 259         ERR("Too big!\n");
 260     }
 261     return -1;
 262 }
 263
 264 static UINT CDECL msi_media_get_disk_info(MSIPACKAGE *package, MSIMEDIAINFO *mi)
 265 {
 266     MSIRECORD *row;
 267
 268     static const WCHAR query[] = {
 269         'S','E','L','E','C','T',' ','*',' ', 'F','R','O','M',' ',
 270         '`','M','e','d','i','a','`',' ','W','H','E','R','E',' ',
 271         '`','D','i','s','k','I','d','`',' ','=',' ','%','i',0};
 272
 273     row = MSI_QueryGetRecord(package->db, query, mi->disk_id);
 274     if (!row)
 275     {
 276         TRACE("Unable to query row\n");
 277         return ERROR_FUNCTION_FAILED;
 278     }
 279
 280     mi->disk_prompt = strdupW(MSI_RecordGetString(row, 3));
 281     mi->cabinet = strdupW(MSI_RecordGetString(row, 4));
 282     mi->volume_label = strdupW(MSI_RecordGetString(row, 5));
 283
 284     if (!mi->first_volume)
 285         mi->first_volume = strdupW(mi->volume_label);
 286
 287     msiobj_release(&row->hdr);
 288     return ERROR_SUCCESS;
 289 }
 290
 291 static INT_PTR cabinet_partial_file(FDINOTIFICATIONTYPE fdint,
 292                                     PFDINOTIFICATION pfdin)
 293 {
 294     MSICABDATA *data = pfdin->pv;
 295     data->mi->is_continuous = FALSE;
 296     return 0;
 297 }
 298
 299 static WCHAR *get_cabinet_filename(MSIMEDIAINFO *mi)
 300 {
 301     int len;
 302     WCHAR *ret;
 303
 304     len = strlenW(mi->sourcedir) + strlenW(mi->cabinet) + 1;
 305     if (!(ret = msi_alloc(len * sizeof(WCHAR)))) return NULL;
 306     strcpyW(ret, mi->sourcedir);
 307     strcatW(ret, mi->cabinet);
 308     return ret;
 309 }
 310
 311 static INT_PTR cabinet_next_cabinet(FDINOTIFICATIONTYPE fdint,
 312                                     PFDINOTIFICATION pfdin)
 313 {
 314     MSICABDATA *data = pfdin->pv;
 315     MSIMEDIAINFO *mi = data->mi;
 316     LPWSTR cabinet_file = NULL, cab = strdupAtoW(pfdin->psz1);
 317     INT_PTR res = -1;
 318     UINT rc;
 319
 320     msi_free(mi->disk_prompt);
 321     msi_free(mi->cabinet);
 322     msi_free(mi->volume_label);
 323     mi->disk_prompt = NULL;
 324     mi->cabinet = NULL;
 325     mi->volume_label = NULL;
 326
 327     mi->disk_id++;
 328     mi->is_continuous = TRUE;
 329
 330     rc = msi_media_get_disk_info(data->package, mi);
 331     if (rc != ERROR_SUCCESS)
 332     {
 333         ERR("Failed to get next cabinet information: %d\n", rc);
 334         goto done;
 335     }
 336
 337     if (lstrcmpiW(mi->cabinet, cab))
 338     {
 339         ERR("Continuous cabinet does not match the next cabinet in the Media table\n");
 340         goto done;
 341     }
 342
 343     if (!(cabinet_file = get_cabinet_filename(mi)))
 344         goto done;
 345
 346     TRACE("Searching for %s\n", debugstr_w(cabinet_file));
 347
 348     res = 0;
 349     if (GetFileAttributesW(cabinet_file) == INVALID_FILE_ATTRIBUTES)
 350     {
 351         if (msi_change_media(data->package, mi) != ERROR_SUCCESS)
 352             res = -1;
 353     }
 354
 355 done:
 356     msi_free(cab);
 357     msi_free(cabinet_file);
 358     return res;
 359 }
 360
 361 static INT_PTR cabinet_copy_file(FDINOTIFICATIONTYPE fdint,
 362                                  PFDINOTIFICATION pfdin)
 363 {
 364     MSICABDATA *data = pfdin->pv;
 365     HANDLE handle = 0;
 366     LPWSTR path = NULL;
 367     DWORD attrs;
 368
 369     data->curfile = strdupAtoW(pfdin->psz1);
 370     if (!data->cb(data->package, data->curfile, MSICABEXTRACT_BEGINEXTRACT, &path,
 371                   &attrs, data->user))
 372     {
 373         /* We're not extracting this file, so free the filename. */
 374         msi_free(data->curfile);
 375         data->curfile = NULL;
 376         goto done;
 377     }
 378
 379     TRACE("extracting %s\n", debugstr_w(path));
 380
 381     attrs = attrs & (FILE_ATTRIBUTE_READONLY|FILE_ATTRIBUTE_HIDDEN|FILE_ATTRIBUTE_SYSTEM);
 382     if (!attrs) attrs = FILE_ATTRIBUTE_NORMAL;
 383
 384     handle = CreateFileW(path, GENERIC_READ | GENERIC_WRITE, 0,
 385                          NULL, CREATE_ALWAYS, attrs, NULL);
 386     if (handle == INVALID_HANDLE_VALUE)
 387     {
 388         DWORD err = GetLastError();
 389         DWORD attrs2 = GetFileAttributesW(path);
 390
 391         if (attrs2 == INVALID_FILE_ATTRIBUTES)
 392         {
 393             ERR("failed to create %s (error %d)\n", debugstr_w(path), err);
 394             goto done;
 395         }
 396         else if (err == ERROR_ACCESS_DENIED && (attrs2 & FILE_ATTRIBUTE_READONLY))
 397         {
 398             TRACE("removing read-only attribute on %s\n", debugstr_w(path));
 399             SetFileAttributesW( path, attrs2 & ~FILE_ATTRIBUTE_READONLY );
 400             handle = CreateFileW(path, GENERIC_READ | GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, attrs2, NULL);
 401
 402             if (handle != INVALID_HANDLE_VALUE) goto done;
 403             err = GetLastError();
 404         }
 405         if (err == ERROR_SHARING_VIOLATION || err == ERROR_USER_MAPPED_FILE)
 406         {
 407             WCHAR tmpfileW[MAX_PATH], *tmppathW, *p;
 408             DWORD len;
 409
 410             TRACE("file in use, scheduling rename operation\n");
 411
 412             GetTempFileNameW(szBackSlash, szMsi, 0, tmpfileW);
 413             len = strlenW(path) + strlenW(tmpfileW) + 1;
 414             if (!(tmppathW = msi_alloc(len * sizeof(WCHAR))))
 415                 return ERROR_OUTOFMEMORY;
 416
 417             strcpyW(tmppathW, path);
 418             if ((p = strrchrW(tmppathW, '\\'))) *p = 0;
 419             strcatW(tmppathW, tmpfileW);
 420
 421             handle = CreateFileW(tmppathW, GENERIC_READ | GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, attrs, NULL);
 422
 423             if (handle != INVALID_HANDLE_VALUE &&
 424                 MoveFileExW(path, NULL, MOVEFILE_DELAY_UNTIL_REBOOT) &&
 425                 MoveFileExW(tmppathW, path, MOVEFILE_DELAY_UNTIL_REBOOT))
 426             {
 427                 data->package->need_reboot = 1;
 428             }
 429             else
 430                 WARN("failed to schedule rename operation %s (error %d)\n", debugstr_w(path), GetLastError());
 431
 432             msi_free(tmppathW);
 433         }
 434         else
 435             WARN("failed to create %s (error %d)\n", debugstr_w(path), err);
 436     }
 437
 438 done:
 439     msi_free(path);
 440
 441     return (INT_PTR)handle;
 442 }
 443
 444 static INT_PTR cabinet_close_file_info(FDINOTIFICATIONTYPE fdint,
 445                                        PFDINOTIFICATION pfdin)
 446 {
 447     MSICABDATA *data = pfdin->pv;
 448     FILETIME ft;
 449     FILETIME ftLocal;
 450     HANDLE handle = (HANDLE)pfdin->hf;
 451
 452     data->mi->is_continuous = FALSE;
 453
 454     if (!DosDateTimeToFileTime(pfdin->date, pfdin->time, &ft))
 455         return -1;
 456     if (!LocalFileTimeToFileTime(&ft, &ftLocal))
 457         return -1;
 458     if (!SetFileTime(handle, &ftLocal, 0, &ftLocal))
 459         return -1;
 460
 461     CloseHandle(handle);
 462
 463     data->cb(data->package, data->curfile, MSICABEXTRACT_FILEEXTRACTED, NULL, NULL,
 464              data->user);
 465
 466     msi_free(data->curfile);
 467     data->curfile = NULL;
 468
 469     return 1;
 470 }
 471
 472 static INT_PTR CDECL cabinet_notify(FDINOTIFICATIONTYPE fdint, PFDINOTIFICATION pfdin)
 473 {
 474     switch (fdint)
 475     {
 476     case fdintPARTIAL_FILE:
 477         return cabinet_partial_file(fdint, pfdin);
 478
 479     case fdintNEXT_CABINET:
 480         return cabinet_next_cabinet(fdint, pfdin);
 481
 482     case fdintCOPY_FILE:
 483         return cabinet_copy_file(fdint, pfdin);
 484
 485     case fdintCLOSE_FILE_INFO:
 486         return cabinet_close_file_info(fdint, pfdin);
 487
 488     default:
 489         return 0;
 490     }
 491 }
 492
 493 static INT_PTR CDECL cabinet_notify_stream( FDINOTIFICATIONTYPE fdint, PFDINOTIFICATION pfdin )
 494 {
 495     switch (fdint)
 496     {
 497     case fdintCOPY_FILE:
 498         return cabinet_copy_file( fdint, pfdin );
 499
 500     case fdintCLOSE_FILE_INFO:
 501         return cabinet_close_file_info( fdint, pfdin );
 502
 503     case fdintCABINET_INFO:
 504         return 0;
 505
 506     default:
 507         ERR("Unexpected notification %d\n", fdint);
 508         return 0;
 509     }
 510 }
 511
 512 static BOOL extract_cabinet( MSIPACKAGE* package, MSIMEDIAINFO *mi, LPVOID data )
 513 {
 514     LPSTR cabinet, cab_path = NULL;
 515     HFDI hfdi;
 516     ERF erf;
 517     BOOL ret = FALSE;
 518
 519     TRACE("Extracting %s\n", debugstr_w(mi->cabinet));
 520
 521     hfdi = FDICreate( cabinet_alloc, cabinet_free, cabinet_open, cabinet_read,
 522                       cabinet_write, cabinet_close, cabinet_seek, 0, &erf );
 523     if (!hfdi)
 524     {
 525         ERR("FDICreate failed\n");
 526         return FALSE;
 527     }
 528
 529     cabinet = strdupWtoA( mi->cabinet );
 530     if (!cabinet)
 531         goto done;
 532
 533     cab_path = strdupWtoA( mi->sourcedir );
 534     if (!cab_path)
 535         goto done;
 536
 537     ret = FDICopy( hfdi, cabinet, cab_path, 0, cabinet_notify, NULL, data );
 538     if (!ret)
 539         ERR("FDICopy failed\n");
 540
 541 done:
 542     FDIDestroy( hfdi );
 543     msi_free(cabinet );
 544     msi_free( cab_path );
 545
 546     if (ret)
 547         mi->is_extracted = TRUE;
 548
 549     return ret;
 550 }
 551
 552 static BOOL extract_cabinet_stream( MSIPACKAGE *package, MSIMEDIAINFO *mi, LPVOID data )
 553 {
 554     static char filename[] = {'<','S','T','R','E','A','M','>',0};
 555     HFDI hfdi;
 556     ERF erf;
 557     BOOL ret = FALSE;
 558
 559     TRACE("Extracting %s\n", debugstr_w(mi->cabinet));
 560
 561     hfdi = FDICreate( cabinet_alloc, cabinet_free, cabinet_open_stream, cabinet_read_stream,
 562                       cabinet_write, cabinet_close_stream, cabinet_seek_stream, 0, &erf );
 563     if (!hfdi)
 564     {
 565         ERR("FDICreate failed\n");
 566         return FALSE;
 567     }
 568
 569     cab_stream.db = package->db;
 570     cab_stream.name = encode_streamname( FALSE, mi->cabinet + 1 );
 571     if (!cab_stream.name)
 572         goto done;
 573
 574     ret = FDICopy( hfdi, filename, NULL, 0, cabinet_notify_stream, NULL, data );
 575     if (!ret)
 576         ERR("FDICopy failed\n");
 577
 578 done:
 579     FDIDestroy( hfdi );
 580     msi_free( cab_stream.name );
 581
 582     if (ret)
 583         mi->is_extracted = TRUE;
 584
 585     return ret;
 586 }
 587
 588 /***********************************************************************
 589  *            msi_cabextract
 590  *
 591  * Extract files from a cabinet file or stream.
 592  */
 593 BOOL msi_cabextract(MSIPACKAGE* package, MSIMEDIAINFO *mi, LPVOID data)
 594 {
 595     if (mi->cabinet[0] == '#')
 596     {
 597         return extract_cabinet_stream( package, mi, data );
 598     }
 599     return extract_cabinet( package, mi, data );
 600 }
 601
 602 void msi_free_media_info(MSIMEDIAINFO *mi)
 603 {
 604     msi_free(mi->disk_prompt);
 605     msi_free(mi->cabinet);
 606     msi_free(mi->volume_label);
 607     msi_free(mi->first_volume);
 608     msi_free(mi);
 609 }
 610
 611 static UINT get_drive_type(const WCHAR *path)
 612 {
 613     WCHAR root[MAX_PATH + 1];
 614
 615     strcpyW(root, path);
 616     PathStripToRootW(root);
 617     PathAddBackslashW(root);
 618
 619     return GetDriveTypeW(root);
 620 }
 621
 622 static UINT msi_load_media_info(MSIPACKAGE *package, MSIFILE *file, MSIMEDIAINFO *mi)
 623 {
 624     MSIRECORD *row;
 625     LPWSTR source_dir;
 626     LPWSTR source;
 627     DWORD options;
 628
 629     static const WCHAR query[] = {
 630         'S','E','L','E','C','T',' ','*',' ', 'F','R','O','M',' ',
 631         '`','M','e','d','i','a','`',' ','W','H','E','R','E',' ',
 632         '`','L','a','s','t','S','e','q','u','e','n','c','e','`',' ','>','=',' ','%','i',
 633         ' ','O','R','D','E','R',' ','B','Y',' ','`','D','i','s','k','I','d','`',0};
 634
 635     row = MSI_QueryGetRecord(package->db, query, file->Sequence);
 636     if (!row)
 637     {
 638         TRACE("Unable to query row\n");
 639         return ERROR_FUNCTION_FAILED;
 640     }
 641
 642     mi->is_extracted = FALSE;
 643     mi->disk_id = MSI_RecordGetInteger(row, 1);
 644     mi->last_sequence = MSI_RecordGetInteger(row, 2);
 645     msi_free(mi->disk_prompt);
 646     mi->disk_prompt = strdupW(MSI_RecordGetString(row, 3));
 647     msi_free(mi->cabinet);
 648     mi->cabinet = strdupW(MSI_RecordGetString(row, 4));
 649     msi_free(mi->volume_label);
 650     mi->volume_label = strdupW(MSI_RecordGetString(row, 5));
 651     msiobj_release(&row->hdr);
 652
 653     if (!mi->first_volume)
 654         mi->first_volume = strdupW(mi->volume_label);
 655
 656     source_dir = msi_dup_property(package->db, cszSourceDir);
 657     lstrcpyW(mi->sourcedir, source_dir);
 658     mi->type = get_drive_type(source_dir);
 659
 660     options = MSICODE_PRODUCT;
 661     if (mi->type == DRIVE_CDROM || mi->type == DRIVE_REMOVABLE)
 662     {
 663         source = source_dir;
 664         options |= MSISOURCETYPE_MEDIA;
 665     }
 666     else if (package->BaseURL && UrlIsW(package->BaseURL, URLIS_URL))
 667     {
 668         source = package->BaseURL;
 669         options |= MSISOURCETYPE_URL;
 670     }
 671     else
 672     {
 673         source = mi->sourcedir;
 674         options |= MSISOURCETYPE_NETWORK;
 675     }
 676
 677     msi_package_add_media_disk(package, package->Context,
 678                                MSICODE_PRODUCT, mi->disk_id,
 679                                mi->volume_label, mi->disk_prompt);
 680
 681     msi_package_add_info(package, package->Context,
 682                          options, INSTALLPROPERTY_LASTUSEDSOURCEW, source);
 683
 684     msi_free(source_dir);
 685     return ERROR_SUCCESS;
 686 }
 687
 688 /* FIXME: search URL sources as well */
 689 static UINT find_published_source(MSIPACKAGE *package, MSIMEDIAINFO *mi)
 690 {
 691     WCHAR source[MAX_PATH];
 692     WCHAR volume[MAX_PATH];
 693     WCHAR prompt[MAX_PATH];
 694     DWORD volumesz, promptsz;
 695     DWORD index, size, id;
 696     WCHAR last_type[2];
 697     UINT r;
 698
 699     size = 2;
 700     r = MsiSourceListGetInfoW(package->ProductCode, NULL,
 701                               package->Context, MSICODE_PRODUCT,
 702                               INSTALLPROPERTY_LASTUSEDTYPEW, last_type, &size);
 703     if (r != ERROR_SUCCESS)
 704         return r;
 705
 706     size = MAX_PATH;
 707     r = MsiSourceListGetInfoW(package->ProductCode, NULL,
 708                               package->Context, MSICODE_PRODUCT,
 709                               INSTALLPROPERTY_LASTUSEDSOURCEW, source, &size);
 710     if (r != ERROR_SUCCESS)
 711         return r;
 712
 713     index = 0;
 714     volumesz = MAX_PATH;
 715     promptsz = MAX_PATH;
 716
 717     if (last_type[0] == 'n')
 718     {
 719         while (MsiSourceListEnumSourcesW(package->ProductCode, NULL,
 720                                         package->Context,
 721                                         MSISOURCETYPE_NETWORK, index++,
 722                                         volume, &volumesz) == ERROR_SUCCESS)
 723         {
 724             if (!strncmpiW(source, volume, strlenW(source)))
 725             {
 726                 lstrcpyW(mi->sourcedir, source);
 727                 TRACE("Found network source %s\n", debugstr_w(mi->sourcedir));
 728                 return ERROR_SUCCESS;
 729             }
 730         }
 731     }
 732
 733     index = 0;
 734     volumesz = MAX_PATH;
 735     promptsz = MAX_PATH;
 736     while (MsiSourceListEnumMediaDisksW(package->ProductCode, NULL,
 737                                         package->Context,
 738                                         MSICODE_PRODUCT, index++, &id,
 739                                         volume, &volumesz, prompt, &promptsz) == ERROR_SUCCESS)
 740     {
 741         mi->disk_id = id;
 742         mi->volume_label = msi_realloc(mi->volume_label, ++volumesz * sizeof(WCHAR));
 743         lstrcpyW(mi->volume_label, volume);
 744         mi->disk_prompt = msi_realloc(mi->disk_prompt, ++promptsz * sizeof(WCHAR));
 745         lstrcpyW(mi->disk_prompt, prompt);
 746
 747         if (source_matches_volume(mi, source))
 748         {
 749             /* FIXME: what about SourceDir */
 750             lstrcpyW(mi->sourcedir, source);
 751             TRACE("Found disk source %s\n", debugstr_w(mi->sourcedir));
 752             return ERROR_SUCCESS;
 753         }
 754     }
 755
 756     return ERROR_FUNCTION_FAILED;
 757 }
 758
 759 UINT ready_media(MSIPACKAGE *package, MSIFILE *file, MSIMEDIAINFO *mi)
 760 {
 761     UINT rc = ERROR_SUCCESS;
 762     WCHAR *cabinet_file;
 763
 764     /* media info for continuous cabinet is already loaded */
 765     if (mi->is_continuous)
 766         return ERROR_SUCCESS;
 767
 768     rc = msi_load_media_info(package, file, mi);
 769     if (rc != ERROR_SUCCESS)
 770     {
 771         ERR("Unable to load media info %u\n", rc);
 772         return ERROR_FUNCTION_FAILED;
 773     }
 774
 775     /* cabinet is internal, no checks needed */
 776     if (!mi->cabinet || mi->cabinet[0] == '#')
 777         return ERROR_SUCCESS;
 778
 779     cabinet_file = get_cabinet_filename(mi);
 780
 781     /* package should be downloaded */
 782     if (file->IsCompressed &&
 783         GetFileAttributesW(cabinet_file) == INVALID_FILE_ATTRIBUTES &&
 784         package->BaseURL && UrlIsW(package->BaseURL, URLIS_URL))
 785     {
 786         WCHAR temppath[MAX_PATH], *p;
 787
 788         msi_download_file(cabinet_file, temppath);
 789         if ((p = strrchrW(temppath, '\\'))) *p = 0;
 790
 791         msi_free(mi->sourcedir);
 792         strcpyW(mi->sourcedir, temppath);
 793         msi_free(mi->cabinet);
 794         strcpyW(mi->cabinet, p + 1);
 795
 796         msi_free(cabinet_file);
 797         return ERROR_SUCCESS;
 798     }
 799
 800     /* check volume matches, change media if not */
 801     if (mi->volume_label && mi->disk_id > 1 &&
 802         lstrcmpW(mi->first_volume, mi->volume_label))
 803     {
 804         LPWSTR source = msi_dup_property(package->db, cszSourceDir);
 805         BOOL matches;
 806
 807         matches = source_matches_volume(mi, source);
 808         msi_free(source);
 809
 810         if ((mi->type == DRIVE_CDROM || mi->type == DRIVE_REMOVABLE) && !matches)
 811         {
 812             rc = msi_change_media(package, mi);
 813             if (rc != ERROR_SUCCESS)
 814             {
 815                 msi_free(cabinet_file);
 816                 return rc;
 817             }
 818         }
 819     }
 820
 821     if (file->IsCompressed &&
 822         GetFileAttributesW(cabinet_file) == INVALID_FILE_ATTRIBUTES)
 823     {
 824         rc = find_published_source(package, mi);
 825         if (rc != ERROR_SUCCESS)
 826         {
 827             ERR("Cabinet not found: %s\n", debugstr_w(cabinet_file));
 828             msi_free(cabinet_file);
 829             return ERROR_INSTALL_FAILURE;
 830         }
 831     }
 832
 833     msi_free(cabinet_file);
 834     return ERROR_SUCCESS;
 835 }