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, 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, error_prop);
  88     source_dir = msi_dup_property(package, 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     LPWSTR ptr;
 268
 269     static const WCHAR query[] = {
 270         'S','E','L','E','C','T',' ','*',' ', 'F','R','O','M',' ',
 271         '`','M','e','d','i','a','`',' ','W','H','E','R','E',' ',
 272         '`','D','i','s','k','I','d','`',' ','=',' ','%','i',0};
 273
 274     row = MSI_QueryGetRecord(package->db, query, mi->disk_id);
 275     if (!row)
 276     {
 277         TRACE("Unable to query row\n");
 278         return ERROR_FUNCTION_FAILED;
 279     }
 280
 281     mi->disk_prompt = strdupW(MSI_RecordGetString(row, 3));
 282     mi->cabinet = strdupW(MSI_RecordGetString(row, 4));
 283     mi->volume_label = strdupW(MSI_RecordGetString(row, 5));
 284
 285     if (!mi->first_volume)
 286         mi->first_volume = strdupW(mi->volume_label);
 287
 288     ptr = strrchrW(mi->source, '\\') + 1;
 289     lstrcpyW(ptr, mi->cabinet);
 290     msiobj_release(&row->hdr);
 291
 292     return ERROR_SUCCESS;
 293 }
 294
 295 static INT_PTR cabinet_partial_file(FDINOTIFICATIONTYPE fdint,
 296                                     PFDINOTIFICATION pfdin)
 297 {
 298     MSICABDATA *data = pfdin->pv;
 299     data->mi->is_continuous = FALSE;
 300     return 0;
 301 }
 302
 303 static INT_PTR cabinet_next_cabinet(FDINOTIFICATIONTYPE fdint,
 304                                     PFDINOTIFICATION pfdin)
 305 {
 306     MSICABDATA *data = pfdin->pv;
 307     MSIMEDIAINFO *mi = data->mi;
 308     LPWSTR cab = strdupAtoW(pfdin->psz1);
 309     INT_PTR res = -1;
 310     UINT rc;
 311
 312     msi_free(mi->disk_prompt);
 313     msi_free(mi->cabinet);
 314     msi_free(mi->volume_label);
 315     mi->disk_prompt = NULL;
 316     mi->cabinet = NULL;
 317     mi->volume_label = NULL;
 318
 319     mi->disk_id++;
 320     mi->is_continuous = TRUE;
 321
 322     rc = msi_media_get_disk_info(data->package, mi);
 323     if (rc != ERROR_SUCCESS)
 324     {
 325         ERR("Failed to get next cabinet information: %d\n", rc);
 326         goto done;
 327     }
 328
 329     if (lstrcmpiW(mi->cabinet, cab))
 330     {
 331         ERR("Continuous cabinet does not match the next cabinet in the Media table\n");
 332         goto done;
 333     }
 334
 335     TRACE("Searching for %s\n", debugstr_w(mi->source));
 336
 337     res = 0;
 338     if (GetFileAttributesW(mi->source) == INVALID_FILE_ATTRIBUTES)
 339     {
 340         if (msi_change_media(data->package, mi) != ERROR_SUCCESS)
 341             res = -1;
 342     }
 343
 344 done:
 345     msi_free(cab);
 346     return res;
 347 }
 348
 349 static INT_PTR cabinet_copy_file(FDINOTIFICATIONTYPE fdint,
 350                                  PFDINOTIFICATION pfdin)
 351 {
 352     MSICABDATA *data = pfdin->pv;
 353     HANDLE handle = 0;
 354     LPWSTR path = NULL;
 355     DWORD attrs;
 356
 357     data->curfile = strdupAtoW(pfdin->psz1);
 358     if (!data->cb(data->package, data->curfile, MSICABEXTRACT_BEGINEXTRACT, &path,
 359                   &attrs, data->user))
 360     {
 361         /* We're not extracting this file, so free the filename. */
 362         msi_free(data->curfile);
 363         data->curfile = NULL;
 364         goto done;
 365     }
 366
 367     TRACE("extracting %s\n", debugstr_w(path));
 368
 369     attrs = attrs & (FILE_ATTRIBUTE_READONLY|FILE_ATTRIBUTE_HIDDEN|FILE_ATTRIBUTE_SYSTEM);
 370     if (!attrs) attrs = FILE_ATTRIBUTE_NORMAL;
 371
 372     handle = CreateFileW(path, GENERIC_READ | GENERIC_WRITE, 0,
 373                          NULL, CREATE_ALWAYS, attrs, NULL);
 374     if (handle == INVALID_HANDLE_VALUE)
 375     {
 376         DWORD err = GetLastError();
 377         DWORD attrs2 = GetFileAttributesW(path);
 378
 379         if (attrs2 == INVALID_FILE_ATTRIBUTES)
 380         {
 381             ERR("failed to create %s (error %d)\n", debugstr_w(path), err);
 382             goto done;
 383         }
 384         else if (err == ERROR_ACCESS_DENIED && (attrs2 & FILE_ATTRIBUTE_READONLY))
 385         {
 386             TRACE("removing read-only attribute on %s\n", debugstr_w(path));
 387             SetFileAttributesW( path, attrs2 & ~FILE_ATTRIBUTE_READONLY );
 388             handle = CreateFileW(path, GENERIC_READ | GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, attrs2, NULL);
 389
 390             if (handle != INVALID_HANDLE_VALUE) goto done;
 391             err = GetLastError();
 392         }
 393         if (err == ERROR_SHARING_VIOLATION || err == ERROR_USER_MAPPED_FILE)
 394         {
 395             WCHAR tmpfileW[MAX_PATH], *tmppathW, *p;
 396             DWORD len;
 397
 398             TRACE("file in use, scheduling rename operation\n");
 399
 400             GetTempFileNameW(szBackSlash, szMsi, 0, tmpfileW);
 401             len = strlenW(path) + strlenW(tmpfileW) + 1;
 402             if (!(tmppathW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR))))
 403                 return ERROR_OUTOFMEMORY;
 404
 405             strcpyW(tmppathW, path);
 406             if ((p = strrchrW(tmppathW, '\\'))) *p = 0;
 407             strcatW(tmppathW, tmpfileW);
 408
 409             handle = CreateFileW(tmppathW, GENERIC_READ | GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, attrs, NULL);
 410
 411             if (handle != INVALID_HANDLE_VALUE &&
 412                 MoveFileExW(path, NULL, MOVEFILE_DELAY_UNTIL_REBOOT) &&
 413                 MoveFileExW(tmppathW, path, MOVEFILE_DELAY_UNTIL_REBOOT))
 414             {
 415                 data->package->need_reboot = 1;
 416             }
 417             else
 418                 WARN("failed to schedule rename operation %s (error %d)\n", debugstr_w(path), GetLastError());
 419
 420             HeapFree(GetProcessHeap(), 0, tmppathW);
 421         }
 422         else
 423             WARN("failed to create %s (error %d)\n", debugstr_w(path), err);
 424     }
 425
 426 done:
 427     msi_free(path);
 428
 429     return (INT_PTR)handle;
 430 }
 431
 432 static INT_PTR cabinet_close_file_info(FDINOTIFICATIONTYPE fdint,
 433                                        PFDINOTIFICATION pfdin)
 434 {
 435     MSICABDATA *data = pfdin->pv;
 436     FILETIME ft;
 437     FILETIME ftLocal;
 438     HANDLE handle = (HANDLE)pfdin->hf;
 439
 440     data->mi->is_continuous = FALSE;
 441
 442     if (!DosDateTimeToFileTime(pfdin->date, pfdin->time, &ft))
 443         return -1;
 444     if (!LocalFileTimeToFileTime(&ft, &ftLocal))
 445         return -1;
 446     if (!SetFileTime(handle, &ftLocal, 0, &ftLocal))
 447         return -1;
 448
 449     CloseHandle(handle);
 450
 451     data->cb(data->package, data->curfile, MSICABEXTRACT_FILEEXTRACTED, NULL, NULL,
 452              data->user);
 453
 454     msi_free(data->curfile);
 455     data->curfile = NULL;
 456
 457     return 1;
 458 }
 459
 460 static INT_PTR CDECL cabinet_notify(FDINOTIFICATIONTYPE fdint, PFDINOTIFICATION pfdin)
 461 {
 462     TRACE("(%d)\n", fdint);
 463
 464     switch (fdint)
 465     {
 466     case fdintPARTIAL_FILE:
 467         return cabinet_partial_file(fdint, pfdin);
 468
 469     case fdintNEXT_CABINET:
 470         return cabinet_next_cabinet(fdint, pfdin);
 471
 472     case fdintCOPY_FILE:
 473         return cabinet_copy_file(fdint, pfdin);
 474
 475     case fdintCLOSE_FILE_INFO:
 476         return cabinet_close_file_info(fdint, pfdin);
 477
 478     default:
 479         return 0;
 480     }
 481 }
 482
 483 static INT_PTR CDECL cabinet_notify_stream( FDINOTIFICATIONTYPE fdint, PFDINOTIFICATION pfdin )
 484 {
 485     TRACE("(%d)\n", fdint);
 486
 487     switch (fdint)
 488     {
 489     case fdintCOPY_FILE:
 490         return cabinet_copy_file( fdint, pfdin );
 491
 492     case fdintCLOSE_FILE_INFO:
 493         return cabinet_close_file_info( fdint, pfdin );
 494
 495     case fdintCABINET_INFO:
 496         return 0;
 497
 498     default:
 499         ERR("Unexpected notification %d\n", fdint);
 500         return 0;
 501     }
 502 }
 503
 504 static BOOL extract_cabinet( MSIPACKAGE* package, MSIMEDIAINFO *mi, LPVOID data )
 505 {
 506     LPSTR cabinet, cab_path = NULL;
 507     LPWSTR ptr;
 508     HFDI hfdi;
 509     ERF erf;
 510     BOOL ret = FALSE;
 511
 512     TRACE("Extracting %s\n", debugstr_w(mi->source));
 513
 514     hfdi = FDICreate( cabinet_alloc, cabinet_free, cabinet_open, cabinet_read,
 515                       cabinet_write, cabinet_close, cabinet_seek, 0, &erf );
 516     if (!hfdi)
 517     {
 518         ERR("FDICreate failed\n");
 519         return FALSE;
 520     }
 521
 522     ptr = strrchrW( mi->source, '\\' ) + 1;
 523     cabinet = strdupWtoA( ptr );
 524     if (!cabinet)
 525         goto done;
 526
 527     cab_path = strdupWtoA( mi->source );
 528     if (!cab_path)
 529         goto done;
 530
 531     cab_path[ptr - mi->source] = '\0';
 532
 533     ret = FDICopy( hfdi, cabinet, cab_path, 0, cabinet_notify, NULL, data );
 534     if (!ret)
 535         ERR("FDICopy failed\n");
 536
 537 done:
 538     FDIDestroy( hfdi );
 539     msi_free(cabinet );
 540     msi_free( cab_path );
 541
 542     if (ret)
 543         mi->is_extracted = TRUE;
 544
 545     return ret;
 546 }
 547
 548 static BOOL extract_cabinet_stream( MSIPACKAGE *package, MSIMEDIAINFO *mi, LPVOID data )
 549 {
 550     static char filename[] = {'<','S','T','R','E','A','M','>',0};
 551     HFDI hfdi;
 552     ERF erf;
 553     BOOL ret = FALSE;
 554
 555     TRACE("Extracting %s\n", debugstr_w(mi->cabinet));
 556
 557     hfdi = FDICreate( cabinet_alloc, cabinet_free, cabinet_open_stream, cabinet_read_stream,
 558                       cabinet_write, cabinet_close_stream, cabinet_seek_stream, 0, &erf );
 559     if (!hfdi)
 560     {
 561         ERR("FDICreate failed\n");
 562         return FALSE;
 563     }
 564
 565     cab_stream.db = package->db;
 566     cab_stream.name = encode_streamname( FALSE, mi->cabinet + 1 );
 567     if (!cab_stream.name)
 568         goto done;
 569
 570     ret = FDICopy( hfdi, filename, NULL, 0, cabinet_notify_stream, NULL, data );
 571     if (!ret)
 572         ERR("FDICopy failed\n");
 573
 574 done:
 575     FDIDestroy( hfdi );
 576     msi_free( cab_stream.name );
 577
 578     if (ret)
 579         mi->is_extracted = TRUE;
 580
 581     return ret;
 582 }
 583
 584 /***********************************************************************
 585  *            msi_cabextract
 586  *
 587  * Extract files from a cabinet file or stream.
 588  */
 589 BOOL msi_cabextract(MSIPACKAGE* package, MSIMEDIAINFO *mi, LPVOID data)
 590 {
 591     if (mi->cabinet[0] == '#')
 592     {
 593         return extract_cabinet_stream( package, mi, data );
 594     }
 595     return extract_cabinet( package, mi, data );
 596 }
 597
 598 void msi_free_media_info(MSIMEDIAINFO *mi)
 599 {
 600     msi_free(mi->disk_prompt);
 601     msi_free(mi->cabinet);
 602     msi_free(mi->volume_label);
 603     msi_free(mi->first_volume);
 604     msi_free(mi);
 605 }
 606
 607 static UINT get_drive_type(const WCHAR *path)
 608 {
 609     WCHAR root[MAX_PATH + 1];
 610
 611     strcpyW(root, path);
 612     PathStripToRootW(root);
 613     PathAddBackslashW(root);
 614
 615     return GetDriveTypeW(root);
 616 }
 617
 618 static UINT msi_load_media_info(MSIPACKAGE *package, MSIFILE *file, MSIMEDIAINFO *mi)
 619 {
 620     MSIRECORD *row;
 621     LPWSTR source_dir;
 622     LPWSTR source;
 623     DWORD options;
 624
 625     static const WCHAR query[] = {
 626         'S','E','L','E','C','T',' ','*',' ', 'F','R','O','M',' ',
 627         '`','M','e','d','i','a','`',' ','W','H','E','R','E',' ',
 628         '`','L','a','s','t','S','e','q','u','e','n','c','e','`',' ','>','=',
 629         ' ','%','i',' ','A','N','D',' ','`','D','i','s','k','I','d','`',' ','>','=',
 630         ' ','%','i',' ','O','R','D','E','R',' ','B','Y',' ',
 631         '`','D','i','s','k','I','d','`',0};
 632
 633     row = MSI_QueryGetRecord(package->db, query, file->Sequence, mi->disk_id);
 634     if (!row)
 635     {
 636         TRACE("Unable to query row\n");
 637         return ERROR_FUNCTION_FAILED;
 638     }
 639
 640     mi->is_extracted = FALSE;
 641     mi->disk_id = MSI_RecordGetInteger(row, 1);
 642     mi->last_sequence = MSI_RecordGetInteger(row, 2);
 643     msi_free(mi->disk_prompt);
 644     mi->disk_prompt = strdupW(MSI_RecordGetString(row, 3));
 645     msi_free(mi->cabinet);
 646     mi->cabinet = strdupW(MSI_RecordGetString(row, 4));
 647     msi_free(mi->volume_label);
 648     mi->volume_label = strdupW(MSI_RecordGetString(row, 5));
 649     msiobj_release(&row->hdr);
 650
 651     if (!mi->first_volume)
 652         mi->first_volume = strdupW(mi->volume_label);
 653
 654     source_dir = msi_dup_property(package, cszSourceDir);
 655     lstrcpyW(mi->source, source_dir);
 656     mi->type = get_drive_type(source_dir);
 657
 658     if (file->IsCompressed && mi->cabinet && mi->cabinet[0] != '#')
 659         lstrcatW(mi->source, mi->cabinet);
 660
 661     options = MSICODE_PRODUCT;
 662     if (mi->type == DRIVE_CDROM || mi->type == DRIVE_REMOVABLE)
 663     {
 664         source = source_dir;
 665         options |= MSISOURCETYPE_MEDIA;
 666     }
 667     else if (package->BaseURL && UrlIsW(package->BaseURL, URLIS_URL))
 668     {
 669         source = package->BaseURL;
 670         options |= MSISOURCETYPE_URL;
 671     }
 672     else
 673     {
 674         source = mi->source;
 675         options |= MSISOURCETYPE_NETWORK;
 676     }
 677
 678     msi_package_add_media_disk(package, package->Context,
 679                                MSICODE_PRODUCT, mi->disk_id,
 680                                mi->volume_label, mi->disk_prompt);
 681
 682     msi_package_add_info(package, package->Context,
 683                          options, INSTALLPROPERTY_LASTUSEDSOURCEW, source);
 684
 685     msi_free(source_dir);
 686     return ERROR_SUCCESS;
 687 }
 688
 689 /* FIXME: search URL sources as well */
 690 static UINT find_published_source(MSIPACKAGE *package, MSIMEDIAINFO *mi)
 691 {
 692     WCHAR source[MAX_PATH];
 693     WCHAR volume[MAX_PATH];
 694     WCHAR prompt[MAX_PATH];
 695     DWORD volumesz, promptsz;
 696     DWORD index, size, id;
 697     WCHAR last_type[2];
 698     UINT r;
 699
 700     size = 2;
 701     r = MsiSourceListGetInfoW(package->ProductCode, NULL,
 702                               package->Context, MSICODE_PRODUCT,
 703                               INSTALLPROPERTY_LASTUSEDTYPEW, last_type, &size);
 704     if (r != ERROR_SUCCESS)
 705         return r;
 706
 707     size = MAX_PATH;
 708     r = MsiSourceListGetInfoW(package->ProductCode, NULL,
 709                               package->Context, MSICODE_PRODUCT,
 710                               INSTALLPROPERTY_LASTUSEDSOURCEW, source, &size);
 711     if (r != ERROR_SUCCESS)
 712         return r;
 713
 714     index = 0;
 715     volumesz = MAX_PATH;
 716     promptsz = MAX_PATH;
 717
 718     if (last_type[0] == 'n')
 719     {
 720         while (MsiSourceListEnumSourcesW(package->ProductCode, NULL,
 721                                         package->Context,
 722                                         MSISOURCETYPE_NETWORK, index++,
 723                                         volume, &volumesz) == ERROR_SUCCESS)
 724         {
 725             if (!strncmpiW(source, volume, strlenW(source)))
 726             {
 727                 lstrcpyW(mi->source, source);
 728                 lstrcatW(mi->source, mi->cabinet);
 729                 TRACE("Found network source %s\n", debugstr_w(mi->source));
 730                 return ERROR_SUCCESS;
 731             }
 732         }
 733     }
 734
 735     index = 0;
 736     volumesz = MAX_PATH;
 737     promptsz = MAX_PATH;
 738     while (MsiSourceListEnumMediaDisksW(package->ProductCode, NULL,
 739                                         package->Context,
 740                                         MSICODE_PRODUCT, index++, &id,
 741                                         volume, &volumesz, prompt, &promptsz) == ERROR_SUCCESS)
 742     {
 743         mi->disk_id = id;
 744         mi->volume_label = msi_realloc(mi->volume_label, ++volumesz * sizeof(WCHAR));
 745         lstrcpyW(mi->volume_label, volume);
 746         mi->disk_prompt = msi_realloc(mi->disk_prompt, ++promptsz * sizeof(WCHAR));
 747         lstrcpyW(mi->disk_prompt, prompt);
 748
 749         if (source_matches_volume(mi, source))
 750         {
 751             /* FIXME: what about SourceDir */
 752             lstrcpyW(mi->source, source);
 753             TRACE("Found disk source %s\n", debugstr_w(mi->source));
 754             return ERROR_SUCCESS;
 755         }
 756     }
 757
 758     return ERROR_FUNCTION_FAILED;
 759 }
 760
 761 UINT ready_media(MSIPACKAGE *package, MSIFILE *file, MSIMEDIAINFO *mi)
 762 {
 763     UINT rc = ERROR_SUCCESS;
 764
 765     /* media info for continuous cabinet is already loaded */
 766     if (mi->is_continuous)
 767         return ERROR_SUCCESS;
 768
 769     rc = msi_load_media_info(package, file, mi);
 770     if (rc != ERROR_SUCCESS)
 771     {
 772         ERR("Unable to load media info\n");
 773         return ERROR_FUNCTION_FAILED;
 774     }
 775
 776     /* cabinet is internal, no checks needed */
 777     if (!mi->cabinet || mi->cabinet[0] == '#')
 778         return ERROR_SUCCESS;
 779
 780     /* package should be downloaded */
 781     if (file->IsCompressed &&
 782         GetFileAttributesW(mi->source) == INVALID_FILE_ATTRIBUTES &&
 783         package->BaseURL && UrlIsW(package->BaseURL, URLIS_URL))
 784     {
 785         WCHAR temppath[MAX_PATH];
 786
 787         msi_download_file(mi->source, temppath);
 788         lstrcpyW(mi->source, temppath);
 789         return ERROR_SUCCESS;
 790     }
 791
 792     /* check volume matches, change media if not */
 793     if (mi->volume_label && mi->disk_id > 1 &&
 794         lstrcmpW(mi->first_volume, mi->volume_label))
 795     {
 796         LPWSTR source = msi_dup_property(package, cszSourceDir);
 797         BOOL matches;
 798
 799         matches = source_matches_volume(mi, source);
 800         msi_free(source);
 801
 802         if ((mi->type == DRIVE_CDROM || mi->type == DRIVE_REMOVABLE) && !matches)
 803         {
 804             rc = msi_change_media(package, mi);
 805             if (rc != ERROR_SUCCESS)
 806                 return rc;
 807         }
 808     }
 809
 810     if (file->IsCompressed &&
 811         GetFileAttributesW(mi->source) == INVALID_FILE_ATTRIBUTES)
 812     {
 813         rc = find_published_source(package, mi);
 814         if (rc != ERROR_SUCCESS)
 815         {
 816             ERR("Cabinet not found: %s\n", debugstr_w(mi->source));
 817             return ERROR_INSTALL_FAILURE;
 818         }
 819     }
 820
 821     return ERROR_SUCCESS;
 822 }