xref: /reactos/dll/win32/msi/media.c (revision d5b576b2)
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 #include "resource.h"
36 
37 WINE_DEFAULT_DEBUG_CHANNEL(msi);
38 
39 /* from msvcrt/fcntl.h */
40 #define _O_RDONLY      0
41 #define _O_WRONLY      1
42 #define _O_RDWR        2
43 #define _O_ACCMODE     (_O_RDONLY|_O_WRONLY|_O_RDWR)
44 #define _O_APPEND      0x0008
45 #define _O_RANDOM      0x0010
46 #define _O_SEQUENTIAL  0x0020
47 #define _O_TEMPORARY   0x0040
48 #define _O_NOINHERIT   0x0080
49 #define _O_CREAT       0x0100
50 #define _O_TRUNC       0x0200
51 #define _O_EXCL        0x0400
52 #define _O_SHORT_LIVED 0x1000
53 #define _O_TEXT        0x4000
54 #define _O_BINARY      0x8000
55 
56 static BOOL source_matches_volume(MSIMEDIAINFO *mi, LPCWSTR source_root)
57 {
58     WCHAR volume_name[MAX_PATH + 1], root[MAX_PATH + 1];
59     const WCHAR *p;
60     int len, len2;
61 
62     strcpyW(root, source_root);
63     PathStripToRootW(root);
64     PathAddBackslashW(root);
65 
66     if (!GetVolumeInformationW(root, volume_name, MAX_PATH + 1, NULL, NULL, NULL, NULL, 0))
67     {
68         WARN("failed to get volume information for %s (%u)\n", debugstr_w(root), GetLastError());
69         return FALSE;
70     }
71 
72     len = strlenW( volume_name );
73     len2 = strlenW( mi->volume_label );
74     if (len2 > len) return FALSE;
75     p = volume_name + len - len2;
76 
77     return !strcmpiW( mi->volume_label, p );
78 }
79 
80 static UINT msi_change_media(MSIPACKAGE *package, MSIMEDIAINFO *mi)
81 {
82     MSIRECORD *record;
83     LPWSTR source_dir;
84     UINT r = IDRETRY;
85 
86     source_dir = msi_dup_property(package->db, szSourceDir);
87     record = MSI_CreateRecord(2);
88 
89     while (r == IDRETRY && !source_matches_volume(mi, source_dir))
90     {
91         MSI_RecordSetStringW(record, 0, NULL);
92         MSI_RecordSetInteger(record, 1, MSIERR_CABNOTFOUND);
93         MSI_RecordSetStringW(record, 2, mi->disk_prompt);
94         r = MSI_ProcessMessage(package, INSTALLMESSAGE_ERROR | MB_RETRYCANCEL, record);
95     }
96 
97     msiobj_release(&record->hdr);
98     msi_free(source_dir);
99 
100     return r;
101 }
102 
103 static MSICABINETSTREAM *msi_get_cabinet_stream( MSIPACKAGE *package, UINT disk_id )
104 {
105     MSICABINETSTREAM *cab;
106 
107     LIST_FOR_EACH_ENTRY( cab, &package->cabinet_streams, MSICABINETSTREAM, entry )
108     {
109         if (cab->disk_id == disk_id) return cab;
110     }
111     return NULL;
112 }
113 
114 static void * CDECL cabinet_alloc(ULONG cb)
115 {
116     return msi_alloc(cb);
117 }
118 
119 static void CDECL cabinet_free(void *pv)
120 {
121     msi_free(pv);
122 }
123 
124 static INT_PTR CDECL cabinet_open(char *pszFile, int oflag, int pmode)
125 {
126     DWORD dwAccess = 0;
127     DWORD dwShareMode = 0;
128     DWORD dwCreateDisposition = OPEN_EXISTING;
129 
130     switch (oflag & _O_ACCMODE)
131     {
132     case _O_RDONLY:
133         dwAccess = GENERIC_READ;
134         dwShareMode = FILE_SHARE_READ | FILE_SHARE_DELETE;
135         break;
136     case _O_WRONLY:
137         dwAccess = GENERIC_WRITE;
138         dwShareMode = FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE;
139         break;
140     case _O_RDWR:
141         dwAccess = GENERIC_READ | GENERIC_WRITE;
142         dwShareMode = FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE;
143         break;
144     }
145 
146     if ((oflag & (_O_CREAT | _O_EXCL)) == (_O_CREAT | _O_EXCL))
147         dwCreateDisposition = CREATE_NEW;
148     else if (oflag & _O_CREAT)
149         dwCreateDisposition = CREATE_ALWAYS;
150 
151     return (INT_PTR)CreateFileA(pszFile, dwAccess, dwShareMode, NULL,
152                                 dwCreateDisposition, 0, NULL);
153 }
154 
155 static UINT CDECL cabinet_read(INT_PTR hf, void *pv, UINT cb)
156 {
157     HANDLE handle = (HANDLE)hf;
158     DWORD read;
159 
160     if (ReadFile(handle, pv, cb, &read, NULL))
161         return read;
162 
163     return 0;
164 }
165 
166 static UINT CDECL cabinet_write(INT_PTR hf, void *pv, UINT cb)
167 {
168     HANDLE handle = (HANDLE)hf;
169     DWORD written;
170 
171     if (WriteFile(handle, pv, cb, &written, NULL))
172         return written;
173 
174     return 0;
175 }
176 
177 static int CDECL cabinet_close(INT_PTR hf)
178 {
179     HANDLE handle = (HANDLE)hf;
180     return CloseHandle(handle) ? 0 : -1;
181 }
182 
183 static LONG CDECL cabinet_seek(INT_PTR hf, LONG dist, int seektype)
184 {
185     HANDLE handle = (HANDLE)hf;
186     /* flags are compatible and so are passed straight through */
187     return SetFilePointer(handle, dist, NULL, seektype);
188 }
189 
190 struct package_disk
191 {
192     MSIPACKAGE *package;
193     UINT        id;
194 };
195 
196 static struct package_disk package_disk;
197 
198 static INT_PTR CDECL cabinet_open_stream( char *pszFile, int oflag, int pmode )
199 {
200     MSICABINETSTREAM *cab;
201     IStream *stream;
202 
203     if (!(cab = msi_get_cabinet_stream( package_disk.package, package_disk.id )))
204     {
205         WARN("failed to get cabinet stream\n");
206         return -1;
207     }
208     if (cab->storage == package_disk.package->db->storage)
209     {
210         UINT r = msi_get_stream( package_disk.package->db, cab->stream + 1, &stream );
211         if (r != ERROR_SUCCESS)
212         {
213             WARN("failed to get stream %u\n", r);
214             return -1;
215         }
216     }
217     else /* patch storage */
218     {
219         HRESULT hr;
220         WCHAR *encoded;
221 
222         if (!(encoded = encode_streamname( FALSE, cab->stream + 1 )))
223         {
224             WARN("failed to encode stream name\n");
225             return -1;
226         }
227         hr = IStorage_OpenStream( cab->storage, encoded, NULL, STGM_READ|STGM_SHARE_EXCLUSIVE, 0, &stream );
228         msi_free( encoded );
229         if (FAILED(hr))
230         {
231             WARN("failed to open stream 0x%08x\n", hr);
232             return -1;
233         }
234     }
235     return (INT_PTR)stream;
236 }
237 
238 static UINT CDECL cabinet_read_stream( INT_PTR hf, void *pv, UINT cb )
239 {
240     IStream *stm = (IStream *)hf;
241     DWORD read;
242     HRESULT hr;
243 
244     hr = IStream_Read( stm, pv, cb, &read );
245     if (hr == S_OK || hr == S_FALSE)
246         return read;
247 
248     return 0;
249 }
250 
251 static int CDECL cabinet_close_stream( INT_PTR hf )
252 {
253     IStream *stm = (IStream *)hf;
254     IStream_Release( stm );
255     return 0;
256 }
257 
258 static LONG CDECL cabinet_seek_stream( INT_PTR hf, LONG dist, int seektype )
259 {
260     IStream *stm = (IStream *)hf;
261     LARGE_INTEGER move;
262     ULARGE_INTEGER newpos;
263     HRESULT hr;
264 
265     move.QuadPart = dist;
266     hr = IStream_Seek( stm, move, seektype, &newpos );
267     if (SUCCEEDED(hr))
268     {
269         if (newpos.QuadPart <= MAXLONG) return newpos.QuadPart;
270         ERR("Too big!\n");
271     }
272     return -1;
273 }
274 
275 static UINT CDECL msi_media_get_disk_info(MSIPACKAGE *package, MSIMEDIAINFO *mi)
276 {
277     MSIRECORD *row;
278 
279     static const WCHAR query[] = {
280         'S','E','L','E','C','T',' ','*',' ', 'F','R','O','M',' ',
281         '`','M','e','d','i','a','`',' ','W','H','E','R','E',' ',
282         '`','D','i','s','k','I','d','`',' ','=',' ','%','i',0};
283 
284     row = MSI_QueryGetRecord(package->db, query, mi->disk_id);
285     if (!row)
286     {
287         TRACE("Unable to query row\n");
288         return ERROR_FUNCTION_FAILED;
289     }
290 
291     mi->disk_prompt = strdupW(MSI_RecordGetString(row, 3));
292     mi->cabinet = strdupW(MSI_RecordGetString(row, 4));
293     mi->volume_label = strdupW(MSI_RecordGetString(row, 5));
294 
295     msiobj_release(&row->hdr);
296     return ERROR_SUCCESS;
297 }
298 
299 static INT_PTR cabinet_partial_file(FDINOTIFICATIONTYPE fdint,
300                                     PFDINOTIFICATION pfdin)
301 {
302     MSICABDATA *data = pfdin->pv;
303     data->mi->is_continuous = FALSE;
304     return 0;
305 }
306 
307 static WCHAR *get_cabinet_filename(MSIMEDIAINFO *mi)
308 {
309     int len;
310     WCHAR *ret;
311 
312     len = strlenW(mi->sourcedir) + strlenW(mi->cabinet) + 1;
313     if (!(ret = msi_alloc(len * sizeof(WCHAR)))) return NULL;
314     strcpyW(ret, mi->sourcedir);
315     strcatW(ret, mi->cabinet);
316     return ret;
317 }
318 
319 static INT_PTR cabinet_next_cabinet(FDINOTIFICATIONTYPE fdint,
320                                     PFDINOTIFICATION pfdin)
321 {
322     MSICABDATA *data = pfdin->pv;
323     MSIMEDIAINFO *mi = data->mi;
324     LPWSTR cabinet_file = NULL, cab = strdupAtoW(pfdin->psz1);
325     INT_PTR res = -1;
326     UINT rc;
327 
328     msi_free(mi->disk_prompt);
329     msi_free(mi->cabinet);
330     msi_free(mi->volume_label);
331     mi->disk_prompt = NULL;
332     mi->cabinet = NULL;
333     mi->volume_label = NULL;
334 
335     mi->disk_id++;
336     mi->is_continuous = TRUE;
337 
338     rc = msi_media_get_disk_info(data->package, mi);
339     if (rc != ERROR_SUCCESS)
340     {
341         ERR("Failed to get next cabinet information: %d\n", rc);
342         goto done;
343     }
344 
345     if (strcmpiW( mi->cabinet, cab ))
346     {
347         char *next_cab;
348         ULONG length;
349 
350         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));
351 
352         /* Use cabinet name from the media table */
353         next_cab = strdupWtoA(mi->cabinet);
354         /* Modify path to cabinet file with full filename (psz3 points to a 256 bytes buffer that can be modified contrary to psz1 and psz2) */
355         length = strlen(pfdin->psz3) + 1 + strlen(next_cab) + 1;
356         if (length > 256)
357         {
358             WARN("Cannot update next cabinet filename with a string size %u > 256\n", length);
359             msi_free(next_cab);
360             goto done;
361         }
362         else
363         {
364             strcat(pfdin->psz3, "\\");
365             strcat(pfdin->psz3, next_cab);
366         }
367         /* Path psz3 and cabinet psz1 are concatenated by FDI so just reset psz1 */
368         *pfdin->psz1 = 0;
369         msi_free(next_cab);
370     }
371 
372     if (!(cabinet_file = get_cabinet_filename(mi)))
373         goto done;
374 
375     TRACE("Searching for %s\n", debugstr_w(cabinet_file));
376 
377     res = 0;
378     if (GetFileAttributesW(cabinet_file) == INVALID_FILE_ATTRIBUTES)
379     {
380         if (msi_change_media(data->package, mi) != ERROR_SUCCESS)
381             res = -1;
382     }
383 
384 done:
385     msi_free(cab);
386     msi_free(cabinet_file);
387     return res;
388 }
389 
390 static INT_PTR cabinet_next_cabinet_stream( FDINOTIFICATIONTYPE fdint,
391                                             PFDINOTIFICATION pfdin )
392 {
393     MSICABDATA *data = pfdin->pv;
394     MSIMEDIAINFO *mi = data->mi;
395     UINT rc;
396 
397     msi_free( mi->disk_prompt );
398     msi_free( mi->cabinet );
399     msi_free( mi->volume_label );
400     mi->disk_prompt = NULL;
401     mi->cabinet = NULL;
402     mi->volume_label = NULL;
403 
404     mi->disk_id++;
405     mi->is_continuous = TRUE;
406 
407     rc = msi_media_get_disk_info( data->package, mi );
408     if (rc != ERROR_SUCCESS)
409     {
410         ERR("Failed to get next cabinet information: %u\n", rc);
411         return -1;
412     }
413     package_disk.id = mi->disk_id;
414 
415     TRACE("next cabinet is %s disk id %u\n", debugstr_w(mi->cabinet), mi->disk_id);
416     return 0;
417 }
418 
419 static INT_PTR cabinet_copy_file(FDINOTIFICATIONTYPE fdint,
420                                  PFDINOTIFICATION pfdin)
421 {
422     MSICABDATA *data = pfdin->pv;
423     HANDLE handle = 0;
424     LPWSTR path = NULL;
425     DWORD attrs;
426 
427     data->curfile = strdupAtoW(pfdin->psz1);
428     if (!data->cb(data->package, data->curfile, MSICABEXTRACT_BEGINEXTRACT, &path,
429                   &attrs, data->user))
430     {
431         /* We're not extracting this file, so free the filename. */
432         msi_free(data->curfile);
433         data->curfile = NULL;
434         goto done;
435     }
436 
437     TRACE("extracting %s -> %s\n", debugstr_w(data->curfile), debugstr_w(path));
438 
439     attrs = attrs & (FILE_ATTRIBUTE_READONLY|FILE_ATTRIBUTE_HIDDEN|FILE_ATTRIBUTE_SYSTEM);
440     if (!attrs) attrs = FILE_ATTRIBUTE_NORMAL;
441 
442     handle = CreateFileW(path, GENERIC_READ | GENERIC_WRITE, 0,
443                          NULL, CREATE_ALWAYS, attrs, NULL);
444     if (handle == INVALID_HANDLE_VALUE)
445     {
446         DWORD err = GetLastError();
447         DWORD attrs2 = GetFileAttributesW(path);
448 
449         if (attrs2 == INVALID_FILE_ATTRIBUTES)
450         {
451             ERR("failed to create %s (error %d)\n", debugstr_w(path), err);
452             goto done;
453         }
454         else if (err == ERROR_ACCESS_DENIED && (attrs2 & FILE_ATTRIBUTE_READONLY))
455         {
456             TRACE("removing read-only attribute on %s\n", debugstr_w(path));
457             SetFileAttributesW( path, attrs2 & ~FILE_ATTRIBUTE_READONLY );
458             handle = CreateFileW(path, GENERIC_READ | GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, attrs, NULL);
459 
460             if (handle != INVALID_HANDLE_VALUE) goto done;
461             err = GetLastError();
462         }
463         if (err == ERROR_SHARING_VIOLATION || err == ERROR_USER_MAPPED_FILE)
464         {
465             WCHAR *tmpfileW, *tmppathW, *p;
466             DWORD len;
467 
468             TRACE("file in use, scheduling rename operation\n");
469 
470             if (!(tmppathW = strdupW( path ))) return ERROR_OUTOFMEMORY;
471             if ((p = strrchrW(tmppathW, '\\'))) *p = 0;
472             len = strlenW( tmppathW ) + 16;
473             if (!(tmpfileW = msi_alloc(len * sizeof(WCHAR))))
474             {
475                 msi_free( tmppathW );
476                 return ERROR_OUTOFMEMORY;
477             }
478             if (!GetTempFileNameW(tmppathW, szMsi, 0, tmpfileW)) tmpfileW[0] = 0;
479             msi_free( tmppathW );
480 
481             handle = CreateFileW(tmpfileW, GENERIC_READ | GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, attrs, NULL);
482 
483             if (handle != INVALID_HANDLE_VALUE &&
484                 MoveFileExW(path, NULL, MOVEFILE_DELAY_UNTIL_REBOOT) &&
485                 MoveFileExW(tmpfileW, path, MOVEFILE_DELAY_UNTIL_REBOOT))
486             {
487                 data->package->need_reboot_at_end = 1;
488             }
489             else
490             {
491                 WARN("failed to schedule rename operation %s (error %d)\n", debugstr_w(path), GetLastError());
492                 DeleteFileW( tmpfileW );
493             }
494             msi_free(tmpfileW);
495         }
496         else
497             WARN("failed to create %s (error %d)\n", debugstr_w(path), err);
498     }
499 
500 done:
501     msi_free(path);
502 
503     return (INT_PTR)handle;
504 }
505 
506 static INT_PTR cabinet_close_file_info(FDINOTIFICATIONTYPE fdint,
507                                        PFDINOTIFICATION pfdin)
508 {
509     MSICABDATA *data = pfdin->pv;
510     FILETIME ft;
511     FILETIME ftLocal;
512     HANDLE handle = (HANDLE)pfdin->hf;
513 
514     data->mi->is_continuous = FALSE;
515 
516     if (!DosDateTimeToFileTime(pfdin->date, pfdin->time, &ft))
517         return -1;
518     if (!LocalFileTimeToFileTime(&ft, &ftLocal))
519         return -1;
520     if (!SetFileTime(handle, &ftLocal, 0, &ftLocal))
521         return -1;
522 
523     CloseHandle(handle);
524 
525     data->cb(data->package, data->curfile, MSICABEXTRACT_FILEEXTRACTED, NULL, NULL,
526              data->user);
527 
528     msi_free(data->curfile);
529     data->curfile = NULL;
530 
531     return 1;
532 }
533 
534 static INT_PTR CDECL cabinet_notify(FDINOTIFICATIONTYPE fdint, PFDINOTIFICATION pfdin)
535 {
536     switch (fdint)
537     {
538     case fdintPARTIAL_FILE:
539         return cabinet_partial_file(fdint, pfdin);
540 
541     case fdintNEXT_CABINET:
542         return cabinet_next_cabinet(fdint, pfdin);
543 
544     case fdintCOPY_FILE:
545         return cabinet_copy_file(fdint, pfdin);
546 
547     case fdintCLOSE_FILE_INFO:
548         return cabinet_close_file_info(fdint, pfdin);
549 
550     default:
551         return 0;
552     }
553 }
554 
555 static INT_PTR CDECL cabinet_notify_stream( FDINOTIFICATIONTYPE fdint, PFDINOTIFICATION pfdin )
556 {
557     switch (fdint)
558     {
559     case fdintPARTIAL_FILE:
560         return cabinet_partial_file( fdint, pfdin );
561 
562     case fdintNEXT_CABINET:
563         return cabinet_next_cabinet_stream( fdint, pfdin );
564 
565     case fdintCOPY_FILE:
566         return cabinet_copy_file( fdint, pfdin );
567 
568     case fdintCLOSE_FILE_INFO:
569         return cabinet_close_file_info( fdint, pfdin );
570 
571     case fdintCABINET_INFO:
572         return 0;
573 
574     default:
575         ERR("Unexpected notification %d\n", fdint);
576         return 0;
577     }
578 }
579 
580 static BOOL extract_cabinet( MSIPACKAGE* package, MSIMEDIAINFO *mi, LPVOID data )
581 {
582     LPSTR cabinet, cab_path = NULL;
583     HFDI hfdi;
584     ERF erf;
585     BOOL ret = FALSE;
586 
587     TRACE("extracting %s disk id %u\n", debugstr_w(mi->cabinet), mi->disk_id);
588 
589     hfdi = FDICreate( cabinet_alloc, cabinet_free, cabinet_open, cabinet_read,
590                       cabinet_write, cabinet_close, cabinet_seek, 0, &erf );
591     if (!hfdi)
592     {
593         ERR("FDICreate failed\n");
594         return FALSE;
595     }
596 
597     cabinet = strdupWtoA( mi->cabinet );
598     if (!cabinet)
599         goto done;
600 
601     cab_path = strdupWtoA( mi->sourcedir );
602     if (!cab_path)
603         goto done;
604 
605     ret = FDICopy( hfdi, cabinet, cab_path, 0, cabinet_notify, NULL, data );
606     if (!ret)
607         ERR("FDICopy failed\n");
608 
609 done:
610     FDIDestroy( hfdi );
611     msi_free(cabinet );
612     msi_free( cab_path );
613 
614     if (ret)
615         mi->is_extracted = TRUE;
616 
617     return ret;
618 }
619 
620 static BOOL extract_cabinet_stream( MSIPACKAGE *package, MSIMEDIAINFO *mi, LPVOID data )
621 {
622     static char filename[] = {'<','S','T','R','E','A','M','>',0};
623     HFDI hfdi;
624     ERF erf;
625     BOOL ret = FALSE;
626 
627     TRACE("extracting %s disk id %u\n", debugstr_w(mi->cabinet), mi->disk_id);
628 
629     hfdi = FDICreate( cabinet_alloc, cabinet_free, cabinet_open_stream, cabinet_read_stream,
630                       cabinet_write, cabinet_close_stream, cabinet_seek_stream, 0, &erf );
631     if (!hfdi)
632     {
633         ERR("FDICreate failed\n");
634         return FALSE;
635     }
636 
637     package_disk.package = package;
638     package_disk.id      = mi->disk_id;
639 
640     ret = FDICopy( hfdi, filename, NULL, 0, cabinet_notify_stream, NULL, data );
641     if (!ret) ERR("FDICopy failed\n");
642 
643     FDIDestroy( hfdi );
644     if (ret) mi->is_extracted = TRUE;
645     return ret;
646 }
647 
648 /***********************************************************************
649  *            msi_cabextract
650  *
651  * Extract files from a cabinet file or stream.
652  */
653 BOOL msi_cabextract(MSIPACKAGE* package, MSIMEDIAINFO *mi, LPVOID data)
654 {
655     if (mi->cabinet[0] == '#')
656     {
657         return extract_cabinet_stream( package, mi, data );
658     }
659     return extract_cabinet( package, mi, data );
660 }
661 
662 void msi_free_media_info(MSIMEDIAINFO *mi)
663 {
664     msi_free(mi->disk_prompt);
665     msi_free(mi->cabinet);
666     msi_free(mi->volume_label);
667     msi_free(mi);
668 }
669 
670 static UINT get_drive_type(const WCHAR *path)
671 {
672     WCHAR root[MAX_PATH + 1];
673 
674     strcpyW(root, path);
675     PathStripToRootW(root);
676     PathAddBackslashW(root);
677 
678     return GetDriveTypeW(root);
679 }
680 
681 UINT msi_load_media_info(MSIPACKAGE *package, UINT Sequence, MSIMEDIAINFO *mi)
682 {
683     static const WCHAR query[] = {
684         'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ','`','M','e','d','i','a','`',' ',
685         'W','H','E','R','E',' ','`','L','a','s','t','S','e','q','u','e','n','c','e','`',' ',
686         '>','=',' ','%','i',' ','O','R','D','E','R',' ','B','Y',' ','`','D','i','s','k','I','d','`',0};
687     MSIRECORD *row;
688     LPWSTR source_dir, source;
689     DWORD options;
690 
691     if (Sequence <= mi->last_sequence) /* already loaded */
692         return ERROR_SUCCESS;
693 
694     row = MSI_QueryGetRecord(package->db, query, Sequence);
695     if (!row)
696     {
697         TRACE("Unable to query row\n");
698         return ERROR_FUNCTION_FAILED;
699     }
700 
701     mi->is_extracted = FALSE;
702     mi->disk_id = MSI_RecordGetInteger(row, 1);
703     mi->last_sequence = MSI_RecordGetInteger(row, 2);
704     msi_free(mi->disk_prompt);
705     mi->disk_prompt = strdupW(MSI_RecordGetString(row, 3));
706     msi_free(mi->cabinet);
707     mi->cabinet = strdupW(MSI_RecordGetString(row, 4));
708     msi_free(mi->volume_label);
709     mi->volume_label = strdupW(MSI_RecordGetString(row, 5));
710     msiobj_release(&row->hdr);
711 
712     msi_set_sourcedir_props(package, FALSE);
713     source_dir = msi_dup_property(package->db, szSourceDir);
714     lstrcpyW(mi->sourcedir, source_dir);
715     PathAddBackslashW(mi->sourcedir);
716     mi->type = get_drive_type(source_dir);
717 
718     options = MSICODE_PRODUCT;
719     if (mi->type == DRIVE_CDROM || mi->type == DRIVE_REMOVABLE)
720     {
721         source = source_dir;
722         options |= MSISOURCETYPE_MEDIA;
723     }
724     else if (package->BaseURL && UrlIsW(package->BaseURL, URLIS_URL))
725     {
726         source = package->BaseURL;
727         options |= MSISOURCETYPE_URL;
728     }
729     else
730     {
731         source = mi->sourcedir;
732         options |= MSISOURCETYPE_NETWORK;
733     }
734 
735     msi_package_add_media_disk(package, package->Context,
736                                MSICODE_PRODUCT, mi->disk_id,
737                                mi->volume_label, mi->disk_prompt);
738 
739     msi_package_add_info(package, package->Context,
740                          options, INSTALLPROPERTY_LASTUSEDSOURCEW, source);
741 
742     msi_free(source_dir);
743     TRACE("sequence %u -> cabinet %s disk id %u\n", Sequence, debugstr_w(mi->cabinet), mi->disk_id);
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 || !strncmpiW(source, volume, strlenW(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         strcpyW( 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         strcpyW( 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         /* cabinet is internal, no checks needed */
855         if (mi->cabinet[0] == '#') return ERROR_SUCCESS;
856 
857         if (!(cabinet_file = get_cabinet_filename( mi ))) return ERROR_OUTOFMEMORY;
858 
859         /* package should be downloaded */
860         if (compressed && GetFileAttributesW( cabinet_file ) == INVALID_FILE_ATTRIBUTES &&
861             package->BaseURL && UrlIsW( package->BaseURL, URLIS_URL ))
862         {
863             WCHAR temppath[MAX_PATH], *p;
864 
865             if ((rc = msi_download_file( cabinet_file, temppath )) != ERROR_SUCCESS)
866             {
867                 ERR("failed to download %s (%u)\n", debugstr_w(cabinet_file), rc);
868                 msi_free( cabinet_file );
869                 return rc;
870             }
871             if ((p = strrchrW( temppath, '\\' ))) *p = 0;
872             strcpyW( mi->sourcedir, temppath );
873             PathAddBackslashW( mi->sourcedir );
874             msi_free( mi->cabinet );
875             mi->cabinet = strdupW( p + 1 );
876             msi_free( cabinet_file );
877             return ERROR_SUCCESS;
878         }
879     }
880     /* check volume matches, change media if not */
881     if (mi->volume_label && mi->disk_id > 1)
882     {
883         WCHAR *source = msi_dup_property( package->db, szSourceDir );
884         BOOL match = source_matches_volume( mi, source );
885         msi_free( source );
886 
887         if (!match && (mi->type == DRIVE_CDROM || mi->type == DRIVE_REMOVABLE))
888         {
889             if ((rc = msi_change_media( package, mi )) != ERROR_SUCCESS)
890             {
891                 msi_free( cabinet_file );
892                 return rc;
893             }
894         }
895     }
896     if (mi->cabinet)
897     {
898         if (compressed && GetFileAttributesW( cabinet_file ) == INVALID_FILE_ATTRIBUTES)
899         {
900             if ((rc = find_published_source( package, mi )) != ERROR_SUCCESS)
901             {
902                 ERR("cabinet not found: %s\n", debugstr_w(cabinet_file));
903                 msi_free( cabinet_file );
904                 return ERROR_INSTALL_FAILURE;
905             }
906         }
907     }
908     msi_free( cabinet_file );
909     return ERROR_SUCCESS;
910 }
911 
912 UINT msi_add_cabinet_stream( MSIPACKAGE *package, UINT disk_id, IStorage *storage, const WCHAR *name )
913 {
914     MSICABINETSTREAM *cab, *item;
915 
916     TRACE("%p, %u, %p, %s\n", package, disk_id, storage, debugstr_w(name));
917 
918     LIST_FOR_EACH_ENTRY( item, &package->cabinet_streams, MSICABINETSTREAM, entry )
919     {
920         if (item->disk_id == disk_id)
921         {
922             TRACE("duplicate disk id %u\n", disk_id);
923             return ERROR_FUNCTION_FAILED;
924         }
925     }
926     if (!(cab = msi_alloc( sizeof(*cab) ))) return ERROR_OUTOFMEMORY;
927     if (!(cab->stream = msi_alloc( (strlenW( name ) + 1) * sizeof(WCHAR ) )))
928     {
929         msi_free( cab );
930         return ERROR_OUTOFMEMORY;
931     }
932     strcpyW( cab->stream, name );
933     cab->disk_id = disk_id;
934     cab->storage = storage;
935     IStorage_AddRef( storage );
936     list_add_tail( &package->cabinet_streams, &cab->entry );
937 
938     return ERROR_SUCCESS;
939 }
940