- Merge from trunk
[reactos.git] / dll / win32 / msi / storages.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 "winbase.h"
27 #include "winuser.h"
28 #include "winerror.h"
29 #include "ole2.h"
30 #include "msi.h"
31 #include "msiquery.h"
32 #include "objbase.h"
33 #include "msipriv.h"
34 #include "query.h"
35
36 #include "wine/debug.h"
37
38 WINE_DEFAULT_DEBUG_CHANNEL(msidb);
39
40 #define NUM_STORAGES_COLS 2
41 #define MAX_STORAGES_NAME_LEN 62
42
43 typedef struct tabSTORAGE
44 {
45 UINT str_index;
46 IStorage *storage;
47 } STORAGE;
48
49 typedef struct tagMSISTORAGESVIEW
50 {
51 MSIVIEW view;
52 MSIDATABASE *db;
53 STORAGE **storages;
54 UINT max_storages;
55 UINT num_rows;
56 UINT row_size;
57 } MSISTORAGESVIEW;
58
59 static BOOL storages_set_table_size(MSISTORAGESVIEW *sv, UINT size)
60 {
61 if (size >= sv->max_storages)
62 {
63 sv->max_storages *= 2;
64 sv->storages = msi_realloc(sv->storages, sv->max_storages * sizeof(STORAGE *));
65 if (!sv->storages)
66 return FALSE;
67 }
68
69 return TRUE;
70 }
71
72 static STORAGE *create_storage(MSISTORAGESVIEW *sv, LPCWSTR name, IStorage *stg)
73 {
74 STORAGE *storage;
75
76 storage = msi_alloc(sizeof(STORAGE));
77 if (!storage)
78 return NULL;
79
80 storage->str_index = msi_addstringW(sv->db->strings, name, -1, 1, StringNonPersistent);
81 storage->storage = stg;
82
83 if (storage->storage)
84 IStorage_AddRef(storage->storage);
85
86 return storage;
87 }
88
89 static UINT STORAGES_fetch_int(struct tagMSIVIEW *view, UINT row, UINT col, UINT *val)
90 {
91 MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
92
93 TRACE("(%p, %d, %d, %p)\n", view, row, col, val);
94
95 if (col != 1)
96 return ERROR_INVALID_PARAMETER;
97
98 if (row >= sv->num_rows)
99 return ERROR_NO_MORE_ITEMS;
100
101 *val = sv->storages[row]->str_index;
102
103 return ERROR_SUCCESS;
104 }
105
106 static UINT STORAGES_fetch_stream(struct tagMSIVIEW *view, UINT row, UINT col, IStream **stm)
107 {
108 MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
109
110 TRACE("(%p, %d, %d, %p)\n", view, row, col, stm);
111
112 if (row >= sv->num_rows)
113 return ERROR_FUNCTION_FAILED;
114
115 return ERROR_INVALID_DATA;
116 }
117
118 static UINT STORAGES_get_row( struct tagMSIVIEW *view, UINT row, MSIRECORD **rec )
119 {
120 MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
121
122 FIXME("%p %d %p\n", sv, row, rec);
123
124 return ERROR_CALL_NOT_IMPLEMENTED;
125 }
126
127 static HRESULT stream_to_storage(IStream *stm, IStorage **stg)
128 {
129 ILockBytes *lockbytes = NULL;
130 STATSTG stat;
131 LPVOID data;
132 HRESULT hr;
133 DWORD size, read;
134 ULARGE_INTEGER offset;
135
136 hr = IStream_Stat(stm, &stat, STATFLAG_NONAME);
137 if (FAILED(hr))
138 return hr;
139
140 if (stat.cbSize.QuadPart >> 32)
141 {
142 ERR("Storage is too large\n");
143 return E_FAIL;
144 }
145
146 size = stat.cbSize.QuadPart;
147 data = msi_alloc(size);
148 if (!data)
149 return E_OUTOFMEMORY;
150
151 hr = IStream_Read(stm, data, size, &read);
152 if (FAILED(hr) || read != size)
153 goto done;
154
155 hr = CreateILockBytesOnHGlobal(NULL, TRUE, &lockbytes);
156 if (FAILED(hr))
157 goto done;
158
159 ZeroMemory(&offset, sizeof(ULARGE_INTEGER));
160 hr = ILockBytes_WriteAt(lockbytes, offset, data, size, &read);
161 if (FAILED(hr) || read != size)
162 goto done;
163
164 hr = StgOpenStorageOnILockBytes(lockbytes, NULL,
165 STGM_READWRITE | STGM_SHARE_DENY_NONE,
166 NULL, 0, stg);
167 if (FAILED(hr))
168 goto done;
169
170 done:
171 msi_free(data);
172 if (lockbytes) ILockBytes_Release(lockbytes);
173 return hr;
174 }
175
176 static UINT STORAGES_set_row(struct tagMSIVIEW *view, UINT row, MSIRECORD *rec, UINT mask)
177 {
178 MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
179 IStorage *stg, *substg = NULL;
180 IStream *stm;
181 LPWSTR name = NULL;
182 HRESULT hr;
183 UINT r = ERROR_FUNCTION_FAILED;
184
185 TRACE("(%p, %p)\n", view, rec);
186
187 if (row > sv->num_rows)
188 return ERROR_FUNCTION_FAILED;
189
190 r = MSI_RecordGetIStream(rec, 2, &stm);
191 if (r != ERROR_SUCCESS)
192 return r;
193
194 r = stream_to_storage(stm, &stg);
195 if (r != ERROR_SUCCESS)
196 {
197 IStream_Release(stm);
198 return r;
199 }
200
201 name = strdupW(MSI_RecordGetString(rec, 1));
202 if (!name)
203 {
204 r = ERROR_OUTOFMEMORY;
205 goto done;
206 }
207
208 hr = IStorage_CreateStorage(sv->db->storage, name,
209 STGM_WRITE | STGM_SHARE_EXCLUSIVE,
210 0, 0, &substg);
211 if (FAILED(hr))
212 {
213 r = ERROR_FUNCTION_FAILED;
214 goto done;
215 }
216
217 hr = IStorage_CopyTo(stg, 0, NULL, NULL, substg);
218 if (FAILED(hr))
219 {
220 r = ERROR_FUNCTION_FAILED;
221 goto done;
222 }
223
224 sv->storages[row] = create_storage(sv, name, stg);
225 if (!sv->storages[row])
226 r = ERROR_FUNCTION_FAILED;
227
228 done:
229 msi_free(name);
230
231 if (substg) IStorage_Release(substg);
232 IStorage_Release(stg);
233 IStream_Release(stm);
234
235 return r;
236 }
237
238 static UINT STORAGES_insert_row(struct tagMSIVIEW *view, MSIRECORD *rec, UINT row, BOOL temporary)
239 {
240 MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
241
242 if (!storages_set_table_size(sv, ++sv->num_rows))
243 return ERROR_FUNCTION_FAILED;
244
245 if (row == -1)
246 row = sv->num_rows - 1;
247
248 /* FIXME have to readjust rows */
249
250 return STORAGES_set_row(view, row, rec, 0);
251 }
252
253 static UINT STORAGES_delete_row(struct tagMSIVIEW *view, UINT row)
254 {
255 FIXME("(%p %d): stub!\n", view, row);
256 return ERROR_SUCCESS;
257 }
258
259 static UINT STORAGES_execute(struct tagMSIVIEW *view, MSIRECORD *record)
260 {
261 TRACE("(%p, %p)\n", view, record);
262 return ERROR_SUCCESS;
263 }
264
265 static UINT STORAGES_close(struct tagMSIVIEW *view)
266 {
267 TRACE("(%p)\n", view);
268 return ERROR_SUCCESS;
269 }
270
271 static UINT STORAGES_get_dimensions(struct tagMSIVIEW *view, UINT *rows, UINT *cols)
272 {
273 MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
274
275 TRACE("(%p, %p, %p)\n", view, rows, cols);
276
277 if (cols) *cols = NUM_STORAGES_COLS;
278 if (rows) *rows = sv->num_rows;
279
280 return ERROR_SUCCESS;
281 }
282
283 static UINT STORAGES_get_column_info(struct tagMSIVIEW *view, UINT n,
284 LPWSTR *name, UINT *type, BOOL *temporary,
285 LPWSTR *table_name)
286 {
287 LPCWSTR name_ptr = NULL;
288
289 static const WCHAR Name[] = {'N','a','m','e',0};
290 static const WCHAR Data[] = {'D','a','t','a',0};
291 static const WCHAR _Storages[] = {'_','S','t','o','r','a','g','e','s',0};
292
293 TRACE("(%p, %d, %p, %p, %p, %p)\n", view, n, name, type, temporary,
294 table_name);
295
296 if (n == 0 || n > NUM_STORAGES_COLS)
297 return ERROR_INVALID_PARAMETER;
298
299 switch (n)
300 {
301 case 1:
302 name_ptr = Name;
303 if (type) *type = MSITYPE_STRING | MAX_STORAGES_NAME_LEN;
304 break;
305
306 case 2:
307 name_ptr = Data;
308 if (type) *type = MSITYPE_STRING | MSITYPE_VALID | MSITYPE_NULLABLE;
309 break;
310 }
311
312 if (name)
313 {
314 *name = strdupW(name_ptr);
315 if (!*name) return ERROR_FUNCTION_FAILED;
316 }
317
318 if (table_name)
319 {
320 *table_name = strdupW(_Storages);
321 if (!*table_name)
322 {
323 msi_free(name);
324 return ERROR_FUNCTION_FAILED;
325 }
326 }
327
328 if (temporary)
329 *temporary = FALSE;
330
331 return ERROR_SUCCESS;
332 }
333
334 static UINT storages_find_row(MSISTORAGESVIEW *sv, MSIRECORD *rec, UINT *row)
335 {
336 LPCWSTR str;
337 UINT r, i, id, data;
338
339 str = MSI_RecordGetString(rec, 1);
340 r = msi_string2idW(sv->db->strings, str, &id);
341 if (r != ERROR_SUCCESS)
342 return r;
343
344 for (i = 0; i < sv->num_rows; i++)
345 {
346 STORAGES_fetch_int(&sv->view, i, 1, &data);
347
348 if (data == id)
349 {
350 *row = i;
351 return ERROR_SUCCESS;
352 }
353 }
354
355 return ERROR_FUNCTION_FAILED;
356 }
357
358 static UINT storages_modify_update(struct tagMSIVIEW *view, MSIRECORD *rec)
359 {
360 MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
361 UINT r, row;
362
363 r = storages_find_row(sv, rec, &row);
364 if (r != ERROR_SUCCESS)
365 return ERROR_FUNCTION_FAILED;
366
367 return STORAGES_set_row(view, row, rec, 0);
368 }
369
370 static UINT storages_modify_assign(struct tagMSIVIEW *view, MSIRECORD *rec)
371 {
372 MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
373 UINT r, row;
374
375 r = storages_find_row(sv, rec, &row);
376 if (r == ERROR_SUCCESS)
377 return storages_modify_update(view, rec);
378
379 return STORAGES_insert_row(view, rec, -1, FALSE);
380 }
381
382 static UINT STORAGES_modify(struct tagMSIVIEW *view, MSIMODIFY eModifyMode, MSIRECORD *rec, UINT row)
383 {
384 UINT r;
385
386 TRACE("%p %d %p\n", view, eModifyMode, rec);
387
388 switch (eModifyMode)
389 {
390 case MSIMODIFY_ASSIGN:
391 r = storages_modify_assign(view, rec);
392 break;
393
394 case MSIMODIFY_INSERT:
395 r = STORAGES_insert_row(view, rec, -1, FALSE);
396 break;
397
398 case MSIMODIFY_UPDATE:
399 r = storages_modify_update(view, rec);
400 break;
401
402 case MSIMODIFY_VALIDATE_NEW:
403 case MSIMODIFY_INSERT_TEMPORARY:
404 case MSIMODIFY_REFRESH:
405 case MSIMODIFY_REPLACE:
406 case MSIMODIFY_MERGE:
407 case MSIMODIFY_DELETE:
408 case MSIMODIFY_VALIDATE:
409 case MSIMODIFY_VALIDATE_FIELD:
410 case MSIMODIFY_VALIDATE_DELETE:
411 FIXME("%p %d %p - mode not implemented\n", view, eModifyMode, rec );
412 r = ERROR_CALL_NOT_IMPLEMENTED;
413 break;
414
415 default:
416 r = ERROR_INVALID_DATA;
417 }
418
419 return r;
420 }
421
422 static UINT STORAGES_delete(struct tagMSIVIEW *view)
423 {
424 MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
425 UINT i;
426
427 TRACE("(%p)\n", view);
428
429 for (i = 0; i < sv->num_rows; i++)
430 {
431 if (sv->storages[i]->storage)
432 IStorage_Release(sv->storages[i]->storage);
433 msi_free(sv->storages[i]);
434 }
435
436 msi_free(sv->storages);
437 sv->storages = NULL;
438 msi_free(sv);
439
440 return ERROR_SUCCESS;
441 }
442
443 static UINT STORAGES_find_matching_rows(struct tagMSIVIEW *view, UINT col,
444 UINT val, UINT *row, MSIITERHANDLE *handle)
445 {
446 MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
447 UINT index = PtrToUlong(*handle);
448
449 TRACE("(%d, %d): %d\n", *row, col, val);
450
451 if (col == 0 || col > NUM_STORAGES_COLS)
452 return ERROR_INVALID_PARAMETER;
453
454 while (index < sv->num_rows)
455 {
456 if (sv->storages[index]->str_index == val)
457 {
458 *row = index;
459 break;
460 }
461
462 index++;
463 }
464
465 *handle = UlongToPtr(++index);
466 if (index >= sv->num_rows)
467 return ERROR_NO_MORE_ITEMS;
468
469 return ERROR_SUCCESS;
470 }
471
472 static const MSIVIEWOPS storages_ops =
473 {
474 STORAGES_fetch_int,
475 STORAGES_fetch_stream,
476 STORAGES_get_row,
477 STORAGES_set_row,
478 STORAGES_insert_row,
479 STORAGES_delete_row,
480 STORAGES_execute,
481 STORAGES_close,
482 STORAGES_get_dimensions,
483 STORAGES_get_column_info,
484 STORAGES_modify,
485 STORAGES_delete,
486 STORAGES_find_matching_rows,
487 NULL,
488 NULL,
489 NULL,
490 NULL,
491 NULL,
492 NULL,
493 };
494
495 static INT add_storages_to_table(MSISTORAGESVIEW *sv)
496 {
497 STORAGE *storage = NULL;
498 IEnumSTATSTG *stgenum = NULL;
499 STATSTG stat;
500 HRESULT hr;
501 UINT count = 0, size;
502
503 hr = IStorage_EnumElements(sv->db->storage, 0, NULL, 0, &stgenum);
504 if (FAILED(hr))
505 return -1;
506
507 sv->max_storages = 1;
508 sv->storages = msi_alloc(sizeof(STORAGE *));
509 if (!sv->storages)
510 return -1;
511
512 while (TRUE)
513 {
514 size = 0;
515 hr = IEnumSTATSTG_Next(stgenum, 1, &stat, &size);
516 if (FAILED(hr) || !size)
517 break;
518
519 if (stat.type != STGTY_STORAGE)
520 {
521 CoTaskMemFree(stat.pwcsName);
522 continue;
523 }
524
525 TRACE("enumerated storage %s\n", debugstr_w(stat.pwcsName));
526
527 storage = create_storage(sv, stat.pwcsName, NULL);
528 if (!storage)
529 {
530 count = -1;
531 CoTaskMemFree(stat.pwcsName);
532 break;
533 }
534
535 IStorage_OpenStorage(sv->db->storage, stat.pwcsName, NULL,
536 STGM_READ | STGM_SHARE_EXCLUSIVE, NULL, 0,
537 &storage->storage);
538 CoTaskMemFree(stat.pwcsName);
539
540 if (!storages_set_table_size(sv, ++count))
541 {
542 count = -1;
543 break;
544 }
545
546 sv->storages[count - 1] = storage;
547 }
548
549 IEnumSTATSTG_Release(stgenum);
550 return count;
551 }
552
553 UINT STORAGES_CreateView(MSIDATABASE *db, MSIVIEW **view)
554 {
555 MSISTORAGESVIEW *sv;
556 INT rows;
557
558 TRACE("(%p, %p)\n", db, view);
559
560 sv = msi_alloc(sizeof(MSISTORAGESVIEW));
561 if (!sv)
562 return ERROR_FUNCTION_FAILED;
563
564 sv->view.ops = &storages_ops;
565 sv->db = db;
566
567 rows = add_storages_to_table(sv);
568 if (rows < 0)
569 {
570 msi_free( sv );
571 return ERROR_FUNCTION_FAILED;
572 }
573 sv->num_rows = rows;
574
575 *view = (MSIVIEW *)sv;
576
577 return ERROR_SUCCESS;
578 }