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 "resource.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], root[MAX_PATH + 1];
  58     const WCHAR *p;
  59     int len, len2;
  60
  61     lstrcpyW(root, source_root);
  62     PathStripToRootW(root);
  63     PathAddBackslashW(root);
  64
  65     if (!GetVolumeInformationW(root, volume_name, MAX_PATH + 1, NULL, NULL, NULL, NULL, 0))
  66     {
  67         WARN("failed to get volume information for %s (%u)\n", debugstr_w(root), GetLastError());
  68         return FALSE;
  69     }
  70
  71     len = lstrlenW( volume_name );
  72     len2 = lstrlenW( mi->volume_label );
  73     if (len2 > len) return FALSE;
  74     p = volume_name + len - len2;
  75
  76     return !wcsicmp( mi->volume_label, p );
  77 }
  78
  79 static UINT msi_change_media(MSIPACKAGE *package, MSIMEDIAINFO *mi)
  80 {
  81     MSIRECORD *record;
  82     LPWSTR source_dir;
  83     UINT r = IDRETRY;
  84
  85     source_dir = msi_dup_property(package->db, L"SourceDir");
  86     record = MSI_CreateRecord(2);
  87
  88     while (r == IDRETRY && !source_matches_volume(mi, source_dir))
  89     {
  90         MSI_RecordSetStringW(record, 0, NULL);
  91         MSI_RecordSetInteger(record, 1, MSIERR_CABNOTFOUND);
  92         MSI_RecordSetStringW(record, 2, mi->disk_prompt);
  93         r = MSI_ProcessMessage(package, INSTALLMESSAGE_ERROR | MB_RETRYCANCEL, record);
  94     }
  95
  96     msiobj_release(&record->hdr);
  97     msi_free(source_dir);
  98
  99     return r == IDRETRY ? ERROR_SUCCESS : ERROR_INSTALL_SOURCE_ABSENT;
 100 }
 101
 102 static MSICABINETSTREAM *msi_get_cabinet_stream( MSIPACKAGE *package, UINT disk_id )
 103 {
 104     MSICABINETSTREAM *cab;
 105
 106     LIST_FOR_EACH_ENTRY( cab, &package->cabinet_streams, MSICABINETSTREAM, entry )
 107     {
 108         if (cab->disk_id == disk_id) return cab;
 109     }
 110     return NULL;
 111 }
 112
 113 static void * CDECL cabinet_alloc(ULONG cb)
 114 {
 115     return msi_alloc(cb);
 116 }
 117
 118 static void CDECL cabinet_free(void *pv)
 119 {
 120     msi_free(pv);
 121 }
 122
 123 static INT_PTR CDECL cabinet_open(char *pszFile, int oflag, int pmode)
 124 {
 125     DWORD dwAccess = 0;
 126     DWORD dwShareMode = 0;
 127     DWORD dwCreateDisposition = OPEN_EXISTING;
 128
 129     switch (oflag & _O_ACCMODE)
 130     {
 131     case _O_RDONLY:
 132         dwAccess = GENERIC_READ;
 133         dwShareMode = FILE_SHARE_READ | FILE_SHARE_DELETE;
 134         break;
 135     case _O_WRONLY:
 136         dwAccess = GENERIC_WRITE;
 137         dwShareMode = FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE;
 138         break;
 139     case _O_RDWR:
 140         dwAccess = GENERIC_READ | GENERIC_WRITE;
 141         dwShareMode = FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE;
 142         break;
 143     }
 144
 145     if ((oflag & (_O_CREAT | _O_EXCL)) == (_O_CREAT | _O_EXCL))
 146         dwCreateDisposition = CREATE_NEW;
 147     else if (oflag & _O_CREAT)
 148         dwCreateDisposition = CREATE_ALWAYS;
 149
 150     return (INT_PTR)CreateFileA(pszFile, dwAccess, dwShareMode, NULL,
 151                                 dwCreateDisposition, 0, NULL);
 152 }
 153
 154 static UINT CDECL cabinet_read(INT_PTR hf, void *pv, UINT cb)
 155 {
 156     HANDLE handle = (HANDLE)hf;
 157     DWORD read;
 158
 159     if (ReadFile(handle, pv, cb, &read, NULL))
 160         return read;
 161
 162     return 0;
 163 }
 164
 165 static UINT CDECL cabinet_write(INT_PTR hf, void *pv, UINT cb)
 166 {
 167     HANDLE handle = (HANDLE)hf;
 168     DWORD written;
 169
 170     if (WriteFile(handle, pv, cb, &written, NULL))
 171         return written;
 172
 173     return 0;
 174 }
 175
 176 static int CDECL cabinet_close(INT_PTR hf)
 177 {
 178     HANDLE handle = (HANDLE)hf;
 179     return CloseHandle(handle) ? 0 : -1;
 180 }
 181
 182 static LONG CDECL cabinet_seek(INT_PTR hf, LONG dist, int seektype)
 183 {
 184     HANDLE handle = (HANDLE)hf;
 185     /* flags are compatible and so are passed straight through */
 186     return SetFilePointer(handle, dist, NULL, seektype);
 187 }
 188
 189 struct package_disk
 190 {
 191     MSIPACKAGE *package;
 192     UINT        id;
 193 };
 194
 195 static struct package_disk package_disk;
 196
 197 static INT_PTR CDECL cabinet_open_stream( char *pszFile, int oflag, int pmode )
 198 {
 199     MSICABINETSTREAM *cab;
 200     IStream *stream;
 201
 202     if (!(cab = msi_get_cabinet_stream( package_disk.package, package_disk.id )))
 203     {
 204         WARN("failed to get cabinet stream\n");
 205         return -1;
 206     }
 207     if (cab->storage == package_disk.package->db->storage)
 208     {
 209         UINT r = msi_get_stream( package_disk.package->db, cab->stream + 1, &stream );
 210         if (r != ERROR_SUCCESS)
 211         {
 212             WARN("failed to get stream %u\n", r);
 213             return -1;
 214         }
 215     }
 216     else /* patch storage */
 217     {
 218         HRESULT hr;
 219         WCHAR *encoded;
 220
 221         if (!(encoded = encode_streamname( FALSE, cab->stream + 1 )))
 222         {
 223             WARN("failed to encode stream name\n");
 224             return -1;
 225         }
 226         hr = IStorage_OpenStream( cab->storage, encoded, NULL, STGM_READ|STGM_SHARE_EXCLUSIVE, 0, &stream );
 227         msi_free( encoded );
 228         if (FAILED(hr))
 229         {
 230             WARN("failed to open stream 0x%08x\n", hr);
 231             return -1;
 232         }
 233     }
 234     return (INT_PTR)stream;
 235 }
 236
 237 static UINT CDECL cabinet_read_stream( INT_PTR hf, void *pv, UINT cb )
 238 {
 239     IStream *stm = (IStream *)hf;
 240     DWORD read;
 241     HRESULT hr;
 242
 243     hr = IStream_Read( stm, pv, cb, &read );
 244     if (hr == S_OK || hr == S_FALSE)
 245         return read;
 246
 247     return 0;
 248 }
 249
 250 static int CDECL cabinet_close_stream( INT_PTR hf )
 251 {
 252     IStream *stm = (IStream *)hf;
 253     IStream_Release( stm );
 254     return 0;
 255 }
 256
 257 static LONG CDECL cabinet_seek_stream( INT_PTR hf, LONG dist, int seektype )
 258 {
 259     IStream *stm = (IStream *)hf;
 260     LARGE_INTEGER move;
 261     ULARGE_INTEGER newpos;
 262     HRESULT hr;
 263
 264     move.QuadPart = dist;
 265     hr = IStream_Seek( stm, move, seektype, &newpos );
 266     if (SUCCEEDED(hr))
 267     {
 268         if (newpos.QuadPart <= MAXLONG) return newpos.QuadPart;
 269         ERR("Too big!\n");
 270     }
 271     return -1;
 272 }
 273
 274 static UINT CDECL msi_media_get_disk_info(MSIPACKAGE *package, MSIMEDIAINFO *mi)
 275 {
 276     MSIRECORD *row;
 277
 278     row = MSI_QueryGetRecord(package->db, L"SELECT * FROM `Media` WHERE `DiskId` = %d", 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     msiobj_release(&row->hdr);
 290     return ERROR_SUCCESS;
 291 }
 292
 293 static INT_PTR cabinet_partial_file(FDINOTIFICATIONTYPE fdint,
 294                                     PFDINOTIFICATION pfdin)
 295 {
 296     MSICABDATA *data = pfdin->pv;
 297     data->mi->is_continuous = FALSE;
 298     return 0;
 299 }
 300
 301 static WCHAR *get_cabinet_filename(MSIMEDIAINFO *mi)
 302 {
 303     int len;
 304     WCHAR *ret;
 305
 306     len = lstrlenW(mi->sourcedir) + lstrlenW(mi->cabinet) + 1;
 307     if (!(ret = msi_alloc(len * sizeof(WCHAR)))) return NULL;
 308     lstrcpyW(ret, mi->sourcedir);
 309     lstrcatW(ret, mi->cabinet);
 310     return ret;
 311 }
 312
 313 static INT_PTR cabinet_next_cabinet(FDINOTIFICATIONTYPE fdint,
 314                                     PFDINOTIFICATION pfdin)
 315 {
 316     MSICABDATA *data = pfdin->pv;
 317     MSIMEDIAINFO *mi = data->mi;
 318     LPWSTR cabinet_file = NULL, cab = strdupAtoW(pfdin->psz1);
 319     INT_PTR res = -1;
 320     UINT rc;
 321
 322     msi_free(mi->disk_prompt);
 323     msi_free(mi->cabinet);
 324     msi_free(mi->volume_label);
 325     mi->disk_prompt = NULL;
 326     mi->cabinet = NULL;
 327     mi->volume_label = NULL;
 328
 329     mi->disk_id++;
 330     mi->is_continuous = TRUE;
 331
 332     rc = msi_media_get_disk_info(data->package, mi);
 333     if (rc != ERROR_SUCCESS)
 334     {
 335         ERR("Failed to get next cabinet information: %d\n", rc);
 336         goto done;
 337     }
 338
 339     if (wcsicmp( mi->cabinet, cab ))
 340     {
 341         char *next_cab;
 342         ULONG length;
 343
 344         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));
 345
 346         /* Use cabinet name from the media table */
 347         next_cab = strdupWtoA(mi->cabinet);
 348         /* Modify path to cabinet file with full filename (psz3 points to a 256 bytes buffer that can be modified contrary to psz1 and psz2) */
 349         length = strlen(pfdin->psz3) + 1 + strlen(next_cab) + 1;
 350         if (length > 256)
 351         {
 352             WARN("Cannot update next cabinet filename with a string size %u > 256\n", length);
 353             msi_free(next_cab);
 354             goto done;
 355         }
 356         else
 357         {
 358             strcat(pfdin->psz3, "\\");
 359             strcat(pfdin->psz3, next_cab);
 360         }
 361         /* Path psz3 and cabinet psz1 are concatenated by FDI so just reset psz1 */
 362         *pfdin->psz1 = 0;
 363         msi_free(next_cab);
 364     }
 365
 366     if (!(cabinet_file = get_cabinet_filename(mi)))
 367         goto done;
 368
 369     TRACE("Searching for %s\n", debugstr_w(cabinet_file));
 370
 371     res = 0;
 372     if (GetFileAttributesW(cabinet_file) == INVALID_FILE_ATTRIBUTES)
 373     {
 374         if (msi_change_media(data->package, mi) != ERROR_SUCCESS)
 375             res = -1;
 376     }
 377
 378 done:
 379     msi_free(cab);
 380     msi_free(cabinet_file);
 381     return res;
 382 }
 383
 384 static INT_PTR cabinet_next_cabinet_stream( FDINOTIFICATIONTYPE fdint,
 385                                             PFDINOTIFICATION pfdin )
 386 {
 387     MSICABDATA *data = pfdin->pv;
 388     MSIMEDIAINFO *mi = data->mi;
 389     UINT rc;
 390
 391     msi_free( mi->disk_prompt );
 392     msi_free( mi->cabinet );
 393     msi_free( mi->volume_label );
 394     mi->disk_prompt = NULL;
 395     mi->cabinet = NULL;
 396     mi->volume_label = NULL;
 397
 398     mi->disk_id++;
 399     mi->is_continuous = TRUE;
 400
 401     rc = msi_media_get_disk_info( data->package, mi );
 402     if (rc != ERROR_SUCCESS)
 403     {
 404         ERR("Failed to get next cabinet information: %u\n", rc);
 405         return -1;
 406     }
 407     package_disk.id = mi->disk_id;
 408
 409     TRACE("next cabinet is %s disk id %u\n", debugstr_w(mi->cabinet), mi->disk_id);
 410     return 0;
 411 }
 412
 413 static INT_PTR cabinet_copy_file(FDINOTIFICATIONTYPE fdint,
 414                                  PFDINOTIFICATION pfdin)
 415 {
 416     MSICABDATA *data = pfdin->pv;
 417     HANDLE handle = 0;
 418     LPWSTR path = NULL;
 419     DWORD attrs;
 420
 421     data->curfile = strdupAtoW(pfdin->psz1);
 422     if (!data->cb(data->package, data->curfile, MSICABEXTRACT_BEGINEXTRACT, &path,
 423                   &attrs, data->user))
 424     {
 425         /* We're not extracting this file, so free the filename. */
 426         msi_free(data->curfile);
 427         data->curfile = NULL;
 428         goto done;
 429     }
 430
 431     TRACE("extracting %s -> %s\n", debugstr_w(data->curfile), debugstr_w(path));
 432
 433     attrs = attrs & (FILE_ATTRIBUTE_READONLY|FILE_ATTRIBUTE_HIDDEN|FILE_ATTRIBUTE_SYSTEM);
 434     if (!attrs) attrs = FILE_ATTRIBUTE_NORMAL;
 435
 436     handle = msi_create_file( data->package, path, GENERIC_READ | GENERIC_WRITE, 0, CREATE_ALWAYS, attrs );
 437     if (handle == INVALID_HANDLE_VALUE)
 438     {
 439         DWORD err = GetLastError();
 440         DWORD attrs2 = msi_get_file_attributes( data->package, path );
 441
 442         if (attrs2 == INVALID_FILE_ATTRIBUTES)
 443         {
 444             ERR("failed to create %s (error %d)\n", debugstr_w(path), err);
 445             goto done;
 446         }
 447         else if (err == ERROR_ACCESS_DENIED && (attrs2 & FILE_ATTRIBUTE_READONLY))
 448         {
 449             TRACE("removing read-only attribute on %s\n", debugstr_w(path));
 450             msi_set_file_attributes( data->package, path, attrs2 & ~FILE_ATTRIBUTE_READONLY );
 451             handle = msi_create_file( data->package, path, GENERIC_READ | GENERIC_WRITE, 0, CREATE_ALWAYS, attrs );
 452
 453             if (handle != INVALID_HANDLE_VALUE) goto done;
 454             err = GetLastError();
 455         }
 456         if (err == ERROR_SHARING_VIOLATION || err == ERROR_USER_MAPPED_FILE)
 457         {
 458             WCHAR *tmpfileW, *tmppathW, *p;
 459             DWORD len;
 460
 461             TRACE("file in use, scheduling rename operation\n");
 462
 463             if (!(tmppathW = strdupW( path ))) return ERROR_OUTOFMEMORY;
 464             if ((p = wcsrchr(tmppathW, '\\'))) *p = 0;
 465             len = lstrlenW( tmppathW ) + 16;
 466             if (!(tmpfileW = msi_alloc(len * sizeof(WCHAR))))
 467             {
 468                 msi_free( tmppathW );
 469                 return ERROR_OUTOFMEMORY;
 470             }
 471             if (!GetTempFileNameW(tmppathW, L"msi", 0, tmpfileW)) tmpfileW[0] = 0;
 472             msi_free( tmppathW );
 473
 474             handle = CreateFileW(tmpfileW, GENERIC_READ | GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, attrs, NULL);
 475
 476             if (handle != INVALID_HANDLE_VALUE &&
 477                 msi_move_file( data->package, path, NULL, MOVEFILE_DELAY_UNTIL_REBOOT ) &&
 478                 msi_move_file( data->package, tmpfileW, path, MOVEFILE_DELAY_UNTIL_REBOOT ))
 479             {
 480                 data->package->need_reboot_at_end = 1;
 481             }
 482             else
 483             {
 484                 WARN("failed to schedule rename operation %s (error %d)\n", debugstr_w(path), GetLastError());
 485                 DeleteFileW( tmpfileW );
 486             }
 487             msi_free(tmpfileW);
 488         }
 489         else
 490             WARN("failed to create %s (error %d)\n", debugstr_w(path), err);
 491     }
 492
 493 done:
 494     msi_free(path);
 495
 496     return (INT_PTR)handle;
 497 }
 498
 499 static INT_PTR cabinet_close_file_info(FDINOTIFICATIONTYPE fdint,
 500                                        PFDINOTIFICATION pfdin)
 501 {
 502     MSICABDATA *data = pfdin->pv;
 503     FILETIME ft;
 504     FILETIME ftLocal;
 505     HANDLE handle = (HANDLE)pfdin->hf;
 506
 507     data->mi->is_continuous = FALSE;
 508
 509     if (!DosDateTimeToFileTime(pfdin->date, pfdin->time, &ft))
 510         return -1;
 511     if (!LocalFileTimeToFileTime(&ft, &ftLocal))
 512         return -1;
 513     if (!SetFileTime(handle, &ftLocal, 0, &ftLocal))
 514         return -1;
 515
 516     CloseHandle(handle);
 517
 518     data->cb(data->package, data->curfile, MSICABEXTRACT_FILEEXTRACTED, NULL, NULL,
 519              data->user);
 520
 521     msi_free(data->curfile);
 522     data->curfile = NULL;
 523
 524     return 1;
 525 }
 526
 527 static INT_PTR CDECL cabinet_notify(FDINOTIFICATIONTYPE fdint, PFDINOTIFICATION pfdin)
 528 {
 529     switch (fdint)
 530     {
 531     case fdintPARTIAL_FILE:
 532         return cabinet_partial_file(fdint, pfdin);
 533
 534     case fdintNEXT_CABINET:
 535         return cabinet_next_cabinet(fdint, pfdin);
 536
 537     case fdintCOPY_FILE:
 538         return cabinet_copy_file(fdint, pfdin);
 539
 540     case fdintCLOSE_FILE_INFO:
 541         return cabinet_close_file_info(fdint, pfdin);
 542
 543     default:
 544         return 0;
 545     }
 546 }
 547
 548 static INT_PTR CDECL cabinet_notify_stream( FDINOTIFICATIONTYPE fdint, PFDINOTIFICATION pfdin )
 549 {
 550     switch (fdint)
 551     {
 552     case fdintPARTIAL_FILE:
 553         return cabinet_partial_file( fdint, pfdin );
 554
 555     case fdintNEXT_CABINET:
 556         return cabinet_next_cabinet_stream( fdint, pfdin );
 557
 558     case fdintCOPY_FILE:
 559         return cabinet_copy_file( fdint, pfdin );
 560
 561     case fdintCLOSE_FILE_INFO:
 562         return cabinet_close_file_info( fdint, pfdin );
 563
 564     case fdintCABINET_INFO:
 565         return 0;
 566
 567     default:
 568         ERR("Unexpected notification %d\n", fdint);
 569         return 0;
 570     }
 571 }
 572
 573 static BOOL extract_cabinet( MSIPACKAGE* package, MSIMEDIAINFO *mi, LPVOID data )
 574 {
 575     LPSTR cabinet, cab_path = NULL;
 576     HFDI hfdi;
 577     ERF erf;
 578     BOOL ret = FALSE;
 579
 580     TRACE("extracting %s disk id %u\n", debugstr_w(mi->cabinet), mi->disk_id);
 581
 582     hfdi = FDICreate( cabinet_alloc, cabinet_free, cabinet_open, cabinet_read,
 583                       cabinet_write, cabinet_close, cabinet_seek, 0, &erf );
 584     if (!hfdi)
 585     {
 586         ERR("FDICreate failed\n");
 587         return FALSE;
 588     }
 589
 590     cabinet = strdupWtoA( mi->cabinet );
 591     if (!cabinet)
 592         goto done;
 593
 594     cab_path = strdupWtoA( mi->sourcedir );
 595     if (!cab_path)
 596         goto done;
 597
 598     ret = FDICopy( hfdi, cabinet, cab_path, 0, cabinet_notify, NULL, data );
 599     if (!ret)
 600         ERR("FDICopy failed\n");
 601
 602 done:
 603     FDIDestroy( hfdi );
 604     msi_free(cabinet );
 605     msi_free( cab_path );
 606
 607     if (ret)
 608         mi->is_extracted = TRUE;
 609
 610     return ret;
 611 }
 612
 613 static BOOL extract_cabinet_stream( MSIPACKAGE *package, MSIMEDIAINFO *mi, LPVOID data )
 614 {
 615     static char filename[] = {'<','S','T','R','E','A','M','>',0};
 616     HFDI hfdi;
 617     ERF erf;
 618     BOOL ret = FALSE;
 619
 620     TRACE("extracting %s disk id %u\n", debugstr_w(mi->cabinet), mi->disk_id);
 621
 622     hfdi = FDICreate( cabinet_alloc, cabinet_free, cabinet_open_stream, cabinet_read_stream,
 623                       cabinet_write, cabinet_close_stream, cabinet_seek_stream, 0, &erf );
 624     if (!hfdi)
 625     {
 626         ERR("FDICreate failed\n");
 627         return FALSE;
 628     }
 629
 630     package_disk.package = package;
 631     package_disk.id      = mi->disk_id;
 632
 633     ret = FDICopy( hfdi, filename, NULL, 0, cabinet_notify_stream, NULL, data );
 634     if (!ret) ERR("FDICopy failed\n");
 635
 636     FDIDestroy( hfdi );
 637     if (ret) mi->is_extracted = TRUE;
 638     return ret;
 639 }
 640
 641 /***********************************************************************
 642  *            msi_cabextract
 643  *
 644  * Extract files from a cabinet file or stream.
 645  */
 646 BOOL msi_cabextract(MSIPACKAGE* package, MSIMEDIAINFO *mi, LPVOID data)
 647 {
 648     if (mi->cabinet[0] == '#')
 649     {
 650         return extract_cabinet_stream( package, mi, data );
 651     }
 652     return extract_cabinet( package, mi, data );
 653 }
 654
 655 void msi_free_media_info(MSIMEDIAINFO *mi)
 656 {
 657     msi_free(mi->disk_prompt);
 658     msi_free(mi->cabinet);
 659     msi_free(mi->volume_label);
 660     msi_free(mi->last_volume);
 661     msi_free(mi);
 662 }
 663
 664 static UINT get_drive_type(const WCHAR *path)
 665 {
 666     WCHAR root[MAX_PATH + 1];
 667
 668     lstrcpyW(root, path);
 669     PathStripToRootW(root);
 670     PathAddBackslashW(root);
 671
 672     return GetDriveTypeW(root);
 673 }
 674
 675 static WCHAR *get_base_url( MSIDATABASE *db )
 676 {
 677     WCHAR *p, *ret = NULL, *orig_db = msi_dup_property( db, L"OriginalDatabase" );
 678     if (UrlIsW( orig_db, URLIS_URL ) && (ret = strdupW( orig_db )) && (p = wcsrchr( ret, '/'))) p[1] = 0;
 679     msi_free( orig_db );
 680     return ret;
 681 }
 682
 683 UINT msi_load_media_info(MSIPACKAGE *package, UINT Sequence, MSIMEDIAINFO *mi)
 684 {
 685     MSIRECORD *row;
 686     WCHAR *source_dir, *source, *base_url = NULL;
 687     DWORD options;
 688
 689     if (Sequence <= mi->last_sequence) /* already loaded */
 690         return ERROR_SUCCESS;
 691
 692     row = MSI_QueryGetRecord(package->db, L"SELECT * FROM `Media` WHERE `LastSequence` >= %d ORDER BY `DiskId`", Sequence);
 693     if (!row)
 694     {
 695         TRACE("Unable to query row\n");
 696         return ERROR_FUNCTION_FAILED;
 697     }
 698
 699     mi->is_extracted = FALSE;
 700     mi->disk_id = MSI_RecordGetInteger(row, 1);
 701     mi->last_sequence = MSI_RecordGetInteger(row, 2);
 702     msi_free(mi->disk_prompt);
 703     mi->disk_prompt = strdupW(MSI_RecordGetString(row, 3));
 704     msi_free(mi->cabinet);
 705     mi->cabinet = strdupW(MSI_RecordGetString(row, 4));
 706     msi_free(mi->volume_label);
 707     mi->volume_label = strdupW(MSI_RecordGetString(row, 5));
 708     msiobj_release(&row->hdr);
 709
 710     msi_set_sourcedir_props(package, FALSE);
 711     source_dir = msi_dup_property(package->db, L"SourceDir");
 712     lstrcpyW(mi->sourcedir, source_dir);
 713     PathAddBackslashW(mi->sourcedir);
 714     mi->type = get_drive_type(source_dir);
 715
 716     options = MSICODE_PRODUCT;
 717     if (mi->type == DRIVE_CDROM || mi->type == DRIVE_REMOVABLE)
 718     {
 719         source = source_dir;
 720         options |= MSISOURCETYPE_MEDIA;
 721     }
 722     else if ((base_url = get_base_url(package->db)))
 723     {
 724         source = base_url;
 725         options |= MSISOURCETYPE_URL;
 726     }
 727     else
 728     {
 729         source = mi->sourcedir;
 730         options |= MSISOURCETYPE_NETWORK;
 731     }
 732
 733     msi_package_add_media_disk(package, package->Context,
 734                                MSICODE_PRODUCT, mi->disk_id,
 735                                mi->volume_label, mi->disk_prompt);
 736
 737     msi_package_add_info(package, package->Context,
 738                          options, INSTALLPROPERTY_LASTUSEDSOURCEW, source);
 739
 740     TRACE("sequence %u -> cabinet %s disk id %u\n", Sequence, debugstr_w(mi->cabinet), mi->disk_id);
 741
 742     msi_free(base_url);
 743     msi_free(source_dir);
 744     return ERROR_SUCCESS;
 745 }
 746
 747 /* FIXME: search URL sources as well */
 748 static UINT find_published_source(MSIPACKAGE *package, MSIMEDIAINFO *mi)
 749 {
 750     WCHAR source[MAX_PATH];
 751     WCHAR volume[MAX_PATH];
 752     WCHAR prompt[MAX_PATH];
 753     DWORD volumesz, promptsz;
 754     DWORD index, size, id;
 755     WCHAR last_type[2];
 756     UINT r;
 757
 758     size = 2;
 759     r = MsiSourceListGetInfoW(package->ProductCode, NULL,
 760                               package->Context, MSICODE_PRODUCT,
 761                               INSTALLPROPERTY_LASTUSEDTYPEW, last_type, &size);
 762     if (r != ERROR_SUCCESS)
 763         return r;
 764
 765     size = MAX_PATH;
 766     r = MsiSourceListGetInfoW(package->ProductCode, NULL,
 767                               package->Context, MSICODE_PRODUCT,
 768                               INSTALLPROPERTY_LASTUSEDSOURCEW, source, &size);
 769     if (r != ERROR_SUCCESS)
 770         return r;
 771
 772     if (last_type[0] == 'n')
 773     {
 774         WCHAR cabinet_file[MAX_PATH];
 775         BOOL check_all = FALSE;
 776
 777         while(TRUE)
 778         {
 779             index = 0;
 780             volumesz = MAX_PATH;
 781             while (MsiSourceListEnumSourcesW(package->ProductCode, NULL,
 782                                              package->Context,
 783                                              MSISOURCETYPE_NETWORK, index++,
 784                                              volume, &volumesz) == ERROR_SUCCESS)
 785             {
 786                 if (check_all || !wcsnicmp(source, volume, lstrlenW(source)))
 787                 {
 788                     lstrcpyW(cabinet_file, volume);
 789                     PathAddBackslashW(cabinet_file);
 790                     lstrcatW(cabinet_file, mi->cabinet);
 791
 792                     if (GetFileAttributesW(cabinet_file) == INVALID_FILE_ATTRIBUTES)
 793                     {
 794                         volumesz = MAX_PATH;
 795                         if(!check_all)
 796                             break;
 797                         continue;
 798                     }
 799
 800                     lstrcpyW(mi->sourcedir, volume);
 801                     PathAddBackslashW(mi->sourcedir);
 802                     TRACE("Found network source %s\n", debugstr_w(mi->sourcedir));
 803                     return ERROR_SUCCESS;
 804                 }
 805             }
 806
 807             if (!check_all)
 808                 check_all = TRUE;
 809             else
 810                 break;
 811         }
 812     }
 813
 814     index = 0;
 815     volumesz = MAX_PATH;
 816     promptsz = MAX_PATH;
 817     while (MsiSourceListEnumMediaDisksW(package->ProductCode, NULL,
 818                                         package->Context,
 819                                         MSICODE_PRODUCT, index++, &id,
 820                                         volume, &volumesz, prompt, &promptsz) == ERROR_SUCCESS)
 821     {
 822         mi->disk_id = id;
 823         msi_free( mi->volume_label );
 824         if (!(mi->volume_label = msi_alloc( ++volumesz * sizeof(WCHAR) ))) return ERROR_OUTOFMEMORY;
 825         lstrcpyW( mi->volume_label, volume );
 826
 827         msi_free( mi->disk_prompt );
 828         if (!(mi->disk_prompt = msi_alloc( ++promptsz * sizeof(WCHAR) ))) return ERROR_OUTOFMEMORY;
 829         lstrcpyW( mi->disk_prompt, prompt );
 830
 831         if (source_matches_volume(mi, source))
 832         {
 833             /* FIXME: what about SourceDir */
 834             lstrcpyW(mi->sourcedir, source);
 835             PathAddBackslashW(mi->sourcedir);
 836             TRACE("Found disk source %s\n", debugstr_w(mi->sourcedir));
 837             return ERROR_SUCCESS;
 838         }
 839     }
 840
 841     return ERROR_FUNCTION_FAILED;
 842 }
 843
 844 UINT ready_media( MSIPACKAGE *package, BOOL compressed, MSIMEDIAINFO *mi )
 845 {
 846     UINT rc;
 847     WCHAR *cabinet_file = NULL;
 848
 849     /* media info for continuous cabinet is already loaded */
 850     if (mi->is_continuous) return ERROR_SUCCESS;
 851
 852     if (mi->cabinet)
 853     {
 854         WCHAR *base_url;
 855
 856         /* cabinet is internal, no checks needed */
 857         if (mi->cabinet[0] == '#') return ERROR_SUCCESS;
 858
 859         if (!(cabinet_file = get_cabinet_filename( mi ))) return ERROR_OUTOFMEMORY;
 860
 861         /* package should be downloaded */
 862         if (compressed && GetFileAttributesW( cabinet_file ) == INVALID_FILE_ATTRIBUTES &&
 863             (base_url = get_base_url( package->db )))
 864         {
 865             WCHAR temppath[MAX_PATH], *p, *url;
 866
 867             msi_free( cabinet_file );
 868             if (!(url = msi_alloc( (lstrlenW( base_url ) + lstrlenW( mi->cabinet ) + 1) * sizeof(WCHAR) )))
 869             {
 870                 return ERROR_OUTOFMEMORY;
 871             }
 872             lstrcpyW( url, base_url );
 873             lstrcatW( url, mi->cabinet );
 874             if ((rc = msi_download_file( url, temppath )) != ERROR_SUCCESS)
 875             {
 876                 ERR("failed to download %s (%u)\n", debugstr_w(url), rc);
 877                 msi_free( url );
 878                 return rc;
 879             }
 880             if ((p = wcsrchr( temppath, '\\' ))) *p = 0;
 881             lstrcpyW( mi->sourcedir, temppath );
 882             PathAddBackslashW( mi->sourcedir );
 883             msi_free( mi->cabinet );
 884             mi->cabinet = strdupW( p + 1 );
 885
 886             msi_free( url );
 887             return ERROR_SUCCESS;
 888         }
 889     }
 890     /* check volume matches, change media if not */
 891     if (mi->volume_label)
 892     {
 893         /* assume first volume is in the drive */
 894         if (mi->last_volume && wcsicmp( mi->last_volume, mi->volume_label ))
 895         {
 896             WCHAR *source = msi_dup_property( package->db, L"SourceDir" );
 897             BOOL match = source_matches_volume( mi, source );
 898             msi_free( source );
 899
 900             if (!match && (mi->type == DRIVE_CDROM || mi->type == DRIVE_REMOVABLE))
 901             {
 902                 if ((rc = msi_change_media( package, mi )) != ERROR_SUCCESS)
 903                 {
 904                     msi_free( cabinet_file );
 905                     return rc;
 906                 }
 907             }
 908         }
 909
 910         msi_free(mi->last_volume);
 911         mi->last_volume = strdupW(mi->volume_label);
 912     }
 913     if (mi->cabinet)
 914     {
 915         if (compressed && GetFileAttributesW( cabinet_file ) == INVALID_FILE_ATTRIBUTES)
 916         {
 917             if ((rc = find_published_source( package, mi )) != ERROR_SUCCESS)
 918             {
 919                 ERR("cabinet not found: %s\n", debugstr_w(cabinet_file));
 920                 msi_free( cabinet_file );
 921                 return ERROR_INSTALL_FAILURE;
 922             }
 923         }
 924     }
 925     msi_free( cabinet_file );
 926     return ERROR_SUCCESS;
 927 }
 928
 929 UINT msi_add_cabinet_stream( MSIPACKAGE *package, UINT disk_id, IStorage *storage, const WCHAR *name )
 930 {
 931     MSICABINETSTREAM *cab, *item;
 932
 933     TRACE("%p, %u, %p, %s\n", package, disk_id, storage, debugstr_w(name));
 934
 935     LIST_FOR_EACH_ENTRY( item, &package->cabinet_streams, MSICABINETSTREAM, entry )
 936     {
 937         if (item->disk_id == disk_id)
 938         {
 939             TRACE("duplicate disk id %u\n", disk_id);
 940             return ERROR_FUNCTION_FAILED;
 941         }
 942     }
 943     if (!(cab = msi_alloc( sizeof(*cab) ))) return ERROR_OUTOFMEMORY;
 944     if (!(cab->stream = msi_alloc( (lstrlenW( name ) + 1) * sizeof(WCHAR ) )))
 945     {
 946         msi_free( cab );
 947         return ERROR_OUTOFMEMORY;
 948     }
 949     lstrcpyW( cab->stream, name );
 950     cab->disk_id = disk_id;
 951     cab->storage = storage;
 952     IStorage_AddRef( storage );
 953     list_add_tail( &package->cabinet_streams, &cab->entry );
 954
 955     return ERROR_SUCCESS;
 956 }