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Add stubs for TRASH_CanTrashFile and TRASH_TrashFile
[reactos.git] / reactos / dll / win32 / shell32 / shlfileop.c
1 /*
2 * SHFileOperation
3 *
4 * Copyright 2000 Juergen Schmied
5 * Copyright 2002 Andriy Palamarchuk
6 * Copyright 2004 Dietrich Teickner (from Odin)
7 * Copyright 2004 Rolf Kalbermatter
8 *
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
13 *
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 */
23
24 #include "config.h"
25 #include "wine/port.h"
26
27 #include <stdarg.h>
28 #include <string.h>
29 #include <ctype.h>
30 #include <assert.h>
31
32 #include "windef.h"
33 #include "winbase.h"
34 #include "winreg.h"
35 #include "shellapi.h"
36 #include "wingdi.h"
37 #include "winuser.h"
38 #include "shlobj.h"
39 #include "shresdef.h"
40 #define NO_SHLWAPI_STREAM
41 #include "shlwapi.h"
42 #include "shell32_main.h"
43 #include "undocshell.h"
44 #include "wine/debug.h"
45 #include "xdg.h"
46
47 WINE_DEFAULT_DEBUG_CHANNEL(shell);
48
49 #define IsAttrib(x, y) ((INVALID_FILE_ATTRIBUTES != (x)) && ((x) & (y)))
50 #define IsAttribFile(x) (!((x) & FILE_ATTRIBUTE_DIRECTORY))
51 #define IsAttribDir(x) IsAttrib(x, FILE_ATTRIBUTE_DIRECTORY)
52 #define IsDotDir(x) ((x[0] == '.') && ((x[1] == 0) || ((x[1] == '.') && (x[2] == 0))))
53
54 #define FO_MASK 0xF
55
56 static const WCHAR wWildcardFile[] = {'*',0};
57 static const WCHAR wWildcardChars[] = {'*','?',0};
58
59 static DWORD SHNotifyCreateDirectoryA(LPCSTR path, LPSECURITY_ATTRIBUTES sec);
60 static DWORD SHNotifyCreateDirectoryW(LPCWSTR path, LPSECURITY_ATTRIBUTES sec);
61 static DWORD SHNotifyRemoveDirectoryA(LPCSTR path);
62 static DWORD SHNotifyRemoveDirectoryW(LPCWSTR path);
63 static DWORD SHNotifyDeleteFileA(LPCSTR path);
64 static DWORD SHNotifyDeleteFileW(LPCWSTR path);
65 static DWORD SHNotifyMoveFileW(LPCWSTR src, LPCWSTR dest);
66 static DWORD SHNotifyCopyFileW(LPCWSTR src, LPCWSTR dest, BOOL bFailIfExists);
67 static DWORD SHFindAttrW(LPCWSTR pName, BOOL fileOnly);
68
69 typedef struct
70 {
71 SHFILEOPSTRUCTW *req;
72 DWORD dwYesToAllMask;
73 BOOL bManyItems;
74 BOOL bCancelled;
75 } FILE_OPERATION;
76
77 /* Confirm dialogs with an optional "Yes To All" as used in file operations confirmations
78 */
79 static const WCHAR CONFIRM_MSG_PROP[] = {'W','I','N','E','_','C','O','N','F','I','R','M',0};
80
81 struct confirm_msg_info
82 {
83 LPWSTR lpszText;
84 LPWSTR lpszCaption;
85 HICON hIcon;
86 BOOL bYesToAll;
87 };
88
89 /* as some buttons may be hidden and the dialog height may change we may need
90 * to move the controls */
91 static void confirm_msg_move_button(HWND hDlg, INT iId, INT *xPos, INT yOffset, BOOL bShow)
92 {
93 HWND hButton = GetDlgItem(hDlg, iId);
94 RECT r;
95
96 if (bShow) {
97 POINT pt;
98 int width;
99
100 GetWindowRect(hButton, &r);
101 width = r.right - r.left;
102 pt.x = r.left;
103 pt.y = r.top;
104 ScreenToClient(hDlg, &pt);
105 MoveWindow(hButton, *xPos - width, pt.y - yOffset, width, r.bottom - r.top, FALSE);
106 *xPos -= width + 5;
107 }
108 else
109 ShowWindow(hButton, SW_HIDE);
110 }
111
112 /* Note: we paint the text manually and don't use the static control to make
113 * sure the text has the same height as the one computed in WM_INITDIALOG
114 */
115 static INT_PTR CALLBACK ConfirmMsgBox_Paint(HWND hDlg)
116 {
117 PAINTSTRUCT ps;
118 HFONT hOldFont;
119 RECT r;
120 HDC hdc;
121
122 BeginPaint(hDlg, &ps);
123 hdc = ps.hdc;
124
125 GetClientRect(GetDlgItem(hDlg, IDD_MESSAGE), &r);
126 /* this will remap the rect to dialog coords */
127 MapWindowPoints(GetDlgItem(hDlg, IDD_MESSAGE), hDlg, (LPPOINT)&r, 2);
128 hOldFont = SelectObject(hdc, (HFONT)SendDlgItemMessageW(hDlg, IDD_MESSAGE, WM_GETFONT, 0, 0));
129 DrawTextW(hdc, (LPWSTR)GetPropW(hDlg, CONFIRM_MSG_PROP), -1, &r, DT_NOPREFIX | DT_PATH_ELLIPSIS | DT_WORDBREAK);
130 SelectObject(hdc, hOldFont);
131 EndPaint(hDlg, &ps);
132 return TRUE;
133 }
134
135 static INT_PTR CALLBACK ConfirmMsgBox_Init(HWND hDlg, LPARAM lParam)
136 {
137 struct confirm_msg_info *info = (struct confirm_msg_info *)lParam;
138 INT xPos, yOffset;
139 int width, height;
140 HFONT hOldFont;
141 HDC hdc;
142 RECT r;
143
144 SetWindowTextW(hDlg, info->lpszCaption);
145 ShowWindow(GetDlgItem(hDlg, IDD_MESSAGE), SW_HIDE);
146 SetPropW(hDlg, CONFIRM_MSG_PROP, (HANDLE)info->lpszText);
147 SendDlgItemMessageW(hDlg, IDD_ICON, STM_SETICON, (WPARAM)info->hIcon, 0);
148
149 /* compute the text height and resize the dialog */
150 GetClientRect(GetDlgItem(hDlg, IDD_MESSAGE), &r);
151 hdc = GetDC(hDlg);
152 yOffset = r.bottom;
153 hOldFont = SelectObject(hdc, (HFONT)SendDlgItemMessageW(hDlg, IDD_MESSAGE, WM_GETFONT, 0, 0));
154 DrawTextW(hdc, info->lpszText, -1, &r, DT_NOPREFIX | DT_PATH_ELLIPSIS | DT_WORDBREAK | DT_CALCRECT);
155 SelectObject(hdc, hOldFont);
156 yOffset -= r.bottom;
157 yOffset = min(yOffset, 35); /* don't make the dialog too small */
158 ReleaseDC(hDlg, hdc);
159
160 GetClientRect(hDlg, &r);
161 xPos = r.right - 7;
162 GetWindowRect(hDlg, &r);
163 width = r.right - r.left;
164 height = r.bottom - r.top - yOffset;
165 MoveWindow(hDlg, (GetSystemMetrics(SM_CXSCREEN) - width)/2,
166 (GetSystemMetrics(SM_CYSCREEN) - height)/2, width, height, FALSE);
167
168 confirm_msg_move_button(hDlg, IDCANCEL, &xPos, yOffset, info->bYesToAll);
169 confirm_msg_move_button(hDlg, IDNO, &xPos, yOffset, TRUE);
170 confirm_msg_move_button(hDlg, IDD_YESTOALL, &xPos, yOffset, info->bYesToAll);
171 confirm_msg_move_button(hDlg, IDYES, &xPos, yOffset, TRUE);
172 return TRUE;
173 }
174
175 static INT_PTR CALLBACK ConfirmMsgBoxProc(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
176 {
177 switch (uMsg)
178 {
179 case WM_INITDIALOG:
180 return ConfirmMsgBox_Init(hDlg, lParam);
181 case WM_PAINT:
182 return ConfirmMsgBox_Paint(hDlg);
183 case WM_COMMAND:
184 EndDialog(hDlg, wParam);
185 break;
186 case WM_CLOSE:
187 EndDialog(hDlg, IDCANCEL);
188 break;
189 }
190 return FALSE;
191 }
192
193 static int SHELL_ConfirmMsgBox(HWND hWnd, LPWSTR lpszText, LPWSTR lpszCaption, HICON hIcon, BOOL bYesToAll)
194 {
195 static const WCHAR wszTemplate[] = {'S','H','E','L','L','_','Y','E','S','T','O','A','L','L','_','M','S','G','B','O','X',0};
196 struct confirm_msg_info info;
197
198 info.lpszText = lpszText;
199 info.lpszCaption = lpszCaption;
200 info.hIcon = hIcon;
201 info.bYesToAll = bYesToAll;
202 return DialogBoxParamW(shell32_hInstance, wszTemplate, hWnd, ConfirmMsgBoxProc, (LPARAM)&info);
203 }
204
205 /* confirmation dialogs content */
206 typedef struct
207 {
208 HINSTANCE hIconInstance;
209 UINT icon_resource_id;
210 UINT caption_resource_id, text_resource_id;
211 } SHELL_ConfirmIDstruc;
212
213 static BOOL SHELL_ConfirmIDs(int nKindOfDialog, SHELL_ConfirmIDstruc *ids)
214 {
215 ids->hIconInstance = shell32_hInstance;
216 switch (nKindOfDialog) {
217 case ASK_DELETE_FILE:
218 ids->icon_resource_id = IDI_SHELL_CONFIRM_DELETE;
219 ids->caption_resource_id = IDS_DELETEITEM_CAPTION;
220 ids->text_resource_id = IDS_DELETEITEM_TEXT;
221 return TRUE;
222 case ASK_DELETE_FOLDER:
223 ids->icon_resource_id = IDI_SHELL_CONFIRM_DELETE;
224 ids->caption_resource_id = IDS_DELETEFOLDER_CAPTION;
225 ids->text_resource_id = IDS_DELETEITEM_TEXT;
226 return TRUE;
227 case ASK_DELETE_MULTIPLE_ITEM:
228 ids->icon_resource_id = IDI_SHELL_CONFIRM_DELETE;
229 ids->caption_resource_id = IDS_DELETEITEM_CAPTION;
230 ids->text_resource_id = IDS_DELETEMULTIPLE_TEXT;
231 return TRUE;
232 case ASK_TRASH_FILE:
233 ids->icon_resource_id = IDI_SHELL_TRASH_FILE;
234 ids->caption_resource_id = IDS_DELETEITEM_CAPTION;
235 ids->text_resource_id = IDS_TRASHITEM_TEXT;
236 return TRUE;
237 case ASK_TRASH_FOLDER:
238 ids->icon_resource_id = IDI_SHELL_TRASH_FILE;
239 ids->caption_resource_id = IDS_DELETEFOLDER_CAPTION;
240 ids->text_resource_id = IDS_TRASHFOLDER_TEXT;
241 return TRUE;
242 case ASK_TRASH_MULTIPLE_ITEM:
243 ids->icon_resource_id = IDI_SHELL_TRASH_FILE;
244 ids->caption_resource_id = IDS_DELETEITEM_CAPTION;
245 ids->text_resource_id = IDS_TRASHMULTIPLE_TEXT;
246 return TRUE;
247 case ASK_CANT_TRASH_ITEM:
248 ids->icon_resource_id = IDI_SHELL_CONFIRM_DELETE;
249 ids->caption_resource_id = IDS_DELETEITEM_CAPTION;
250 ids->text_resource_id = IDS_CANTTRASH_TEXT;
251 return TRUE;
252 case ASK_DELETE_SELECTED:
253 ids->icon_resource_id = IDI_SHELL_CONFIRM_DELETE;
254 ids->caption_resource_id = IDS_DELETEITEM_CAPTION;
255 ids->text_resource_id = IDS_DELETESELECTED_TEXT;
256 return TRUE;
257 case ASK_OVERWRITE_FILE:
258 ids->hIconInstance = NULL;
259 ids->icon_resource_id = IDI_WARNING;
260 ids->caption_resource_id = IDS_OVERWRITEFILE_CAPTION;
261 ids->text_resource_id = IDS_OVERWRITEFILE_TEXT;
262 return TRUE;
263 case ASK_OVERWRITE_FOLDER:
264 ids->hIconInstance = NULL;
265 ids->icon_resource_id = IDI_WARNING;
266 ids->caption_resource_id = IDS_OVERWRITEFILE_CAPTION;
267 ids->text_resource_id = IDS_OVERWRITEFOLDER_TEXT;
268 return TRUE;
269 default:
270 FIXME(" Unhandled nKindOfDialog %d stub\n", nKindOfDialog);
271 }
272 return FALSE;
273 }
274
275 static BOOL SHELL_ConfirmDialogW(HWND hWnd, int nKindOfDialog, LPCWSTR szDir, FILE_OPERATION *op)
276 {
277 WCHAR szCaption[255], szText[255], szBuffer[MAX_PATH + 256];
278 SHELL_ConfirmIDstruc ids;
279 DWORD_PTR args[1];
280 HICON hIcon;
281 int ret;
282
283 assert(nKindOfDialog >= 0 && nKindOfDialog < 32);
284 if (op && (op->dwYesToAllMask & (1 << nKindOfDialog)))
285 return TRUE;
286
287 if (!SHELL_ConfirmIDs(nKindOfDialog, &ids)) return FALSE;
288
289 LoadStringW(shell32_hInstance, ids.caption_resource_id, szCaption, sizeof(szCaption)/sizeof(WCHAR));
290 LoadStringW(shell32_hInstance, ids.text_resource_id, szText, sizeof(szText)/sizeof(WCHAR));
291
292 args[0] = (DWORD_PTR)szDir;
293 FormatMessageW(FORMAT_MESSAGE_FROM_STRING|FORMAT_MESSAGE_ARGUMENT_ARRAY,
294 szText, 0, 0, szBuffer, sizeof(szBuffer), (va_list*)args);
295 hIcon = LoadIconW(ids.hIconInstance, (LPWSTR)MAKEINTRESOURCE(ids.icon_resource_id));
296
297 ret = SHELL_ConfirmMsgBox(hWnd, szBuffer, szCaption, hIcon, op && op->bManyItems);
298 if (op) {
299 if (ret == IDD_YESTOALL) {
300 op->dwYesToAllMask |= (1 << nKindOfDialog);
301 ret = IDYES;
302 }
303 if (ret == IDCANCEL)
304 op->bCancelled = TRUE;
305 if (ret != IDYES)
306 op->req->fAnyOperationsAborted = TRUE;
307 }
308 return ret == IDYES;
309 }
310
311 BOOL SHELL_ConfirmYesNoW(HWND hWnd, int nKindOfDialog, LPCWSTR szDir)
312 {
313 return SHELL_ConfirmDialogW(hWnd, nKindOfDialog, szDir, NULL);
314 }
315
316 static DWORD SHELL32_AnsiToUnicodeBuf(LPCSTR aPath, LPWSTR *wPath, DWORD minChars)
317 {
318 DWORD len = MultiByteToWideChar(CP_ACP, 0, aPath, -1, NULL, 0);
319
320 if (len < minChars)
321 len = minChars;
322
323 *wPath = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
324 if (*wPath)
325 {
326 MultiByteToWideChar(CP_ACP, 0, aPath, -1, *wPath, len);
327 return NO_ERROR;
328 }
329 return E_OUTOFMEMORY;
330 }
331
332 static void SHELL32_FreeUnicodeBuf(LPWSTR wPath)
333 {
334 HeapFree(GetProcessHeap(), 0, wPath);
335 }
336
337 HRESULT WINAPI SHIsFileAvailableOffline(LPCWSTR path, LPDWORD status)
338 {
339 FIXME("(%s, %p) stub\n", debugstr_w(path), status);
340 return E_FAIL;
341 }
342
343 /**************************************************************************
344 * SHELL_DeleteDirectory() [internal]
345 *
346 * Asks for confirmation when bShowUI is true and deletes the directory and
347 * all its subdirectories and files if necessary.
348 */
349 BOOL SHELL_DeleteDirectoryW(HWND hwnd, LPCWSTR pszDir, BOOL bShowUI)
350 {
351 BOOL ret = TRUE;
352 HANDLE hFind;
353 WIN32_FIND_DATAW wfd;
354 WCHAR szTemp[MAX_PATH];
355
356 /* Make sure the directory exists before eventually prompting the user */
357 PathCombineW(szTemp, pszDir, wWildcardFile);
358 hFind = FindFirstFileW(szTemp, &wfd);
359 if (hFind == INVALID_HANDLE_VALUE)
360 return FALSE;
361
362 if (!bShowUI || (ret = SHELL_ConfirmDialogW(hwnd, ASK_DELETE_FOLDER, pszDir, NULL)))
363 {
364 do
365 {
366 if (IsDotDir(wfd.cFileName))
367 continue;
368 PathCombineW(szTemp, pszDir, wfd.cFileName);
369 if (FILE_ATTRIBUTE_DIRECTORY & wfd.dwFileAttributes)
370 ret = SHELL_DeleteDirectoryW(hwnd, szTemp, FALSE);
371 else
372 ret = (SHNotifyDeleteFileW(szTemp) == ERROR_SUCCESS);
373 } while (ret && FindNextFileW(hFind, &wfd));
374 }
375 FindClose(hFind);
376 if (ret)
377 ret = (SHNotifyRemoveDirectoryW(pszDir) == ERROR_SUCCESS);
378 return ret;
379 }
380
381 /**************************************************************************
382 * Win32CreateDirectory [SHELL32.93]
383 *
384 * Creates a directory. Also triggers a change notify if one exists.
385 *
386 * PARAMS
387 * path [I] path to directory to create
388 *
389 * RETURNS
390 * TRUE if successful, FALSE otherwise
391 *
392 * NOTES
393 * Verified on Win98 / IE 5 (SHELL32 4.72, March 1999 build) to be ANSI.
394 * This is Unicode on NT/2000
395 */
396 static DWORD SHNotifyCreateDirectoryA(LPCSTR path, LPSECURITY_ATTRIBUTES sec)
397 {
398 LPWSTR wPath;
399 DWORD retCode;
400
401 TRACE("(%s, %p)\n", debugstr_a(path), sec);
402
403 retCode = SHELL32_AnsiToUnicodeBuf(path, &wPath, 0);
404 if (!retCode)
405 {
406 retCode = SHNotifyCreateDirectoryW(wPath, sec);
407 SHELL32_FreeUnicodeBuf(wPath);
408 }
409 return retCode;
410 }
411
412 /**********************************************************************/
413
414 static DWORD SHNotifyCreateDirectoryW(LPCWSTR path, LPSECURITY_ATTRIBUTES sec)
415 {
416 TRACE("(%s, %p)\n", debugstr_w(path), sec);
417
418 if (CreateDirectoryW(path, sec))
419 {
420 SHChangeNotify(SHCNE_MKDIR, SHCNF_PATHW, path, NULL);
421 return ERROR_SUCCESS;
422 }
423 return GetLastError();
424 }
425
426 /**********************************************************************/
427
428 BOOL WINAPI Win32CreateDirectoryAW(LPCVOID path, LPSECURITY_ATTRIBUTES sec)
429 {
430 if (SHELL_OsIsUnicode())
431 return (SHNotifyCreateDirectoryW(path, sec) == ERROR_SUCCESS);
432 return (SHNotifyCreateDirectoryA(path, sec) == ERROR_SUCCESS);
433 }
434
435 /************************************************************************
436 * Win32RemoveDirectory [SHELL32.94]
437 *
438 * Deletes a directory. Also triggers a change notify if one exists.
439 *
440 * PARAMS
441 * path [I] path to directory to delete
442 *
443 * RETURNS
444 * TRUE if successful, FALSE otherwise
445 *
446 * NOTES
447 * Verified on Win98 / IE 5 (SHELL32 4.72, March 1999 build) to be ANSI.
448 * This is Unicode on NT/2000
449 */
450 static DWORD SHNotifyRemoveDirectoryA(LPCSTR path)
451 {
452 LPWSTR wPath;
453 DWORD retCode;
454
455 TRACE("(%s)\n", debugstr_a(path));
456
457 retCode = SHELL32_AnsiToUnicodeBuf(path, &wPath, 0);
458 if (!retCode)
459 {
460 retCode = SHNotifyRemoveDirectoryW(wPath);
461 SHELL32_FreeUnicodeBuf(wPath);
462 }
463 return retCode;
464 }
465
466 /***********************************************************************/
467
468 static DWORD SHNotifyRemoveDirectoryW(LPCWSTR path)
469 {
470 BOOL ret;
471 TRACE("(%s)\n", debugstr_w(path));
472
473 ret = RemoveDirectoryW(path);
474 if (!ret)
475 {
476 /* Directory may be write protected */
477 DWORD dwAttr = GetFileAttributesW(path);
478 if (IsAttrib(dwAttr, FILE_ATTRIBUTE_READONLY))
479 if (SetFileAttributesW(path, dwAttr & ~FILE_ATTRIBUTE_READONLY))
480 ret = RemoveDirectoryW(path);
481 }
482 if (ret)
483 {
484 SHChangeNotify(SHCNE_RMDIR, SHCNF_PATHW, path, NULL);
485 return ERROR_SUCCESS;
486 }
487 return GetLastError();
488 }
489
490 /***********************************************************************/
491
492 BOOL WINAPI Win32RemoveDirectoryAW(LPCVOID path)
493 {
494 if (SHELL_OsIsUnicode())
495 return (SHNotifyRemoveDirectoryW(path) == ERROR_SUCCESS);
496 return (SHNotifyRemoveDirectoryA(path) == ERROR_SUCCESS);
497 }
498
499 /************************************************************************
500 * Win32DeleteFile [SHELL32.164]
501 *
502 * Deletes a file. Also triggers a change notify if one exists.
503 *
504 * PARAMS
505 * path [I] path to file to delete
506 *
507 * RETURNS
508 * TRUE if successful, FALSE otherwise
509 *
510 * NOTES
511 * Verified on Win98 / IE 5 (SHELL32 4.72, March 1999 build) to be ANSI.
512 * This is Unicode on NT/2000
513 */
514 static DWORD SHNotifyDeleteFileA(LPCSTR path)
515 {
516 LPWSTR wPath;
517 DWORD retCode;
518
519 TRACE("(%s)\n", debugstr_a(path));
520
521 retCode = SHELL32_AnsiToUnicodeBuf(path, &wPath, 0);
522 if (!retCode)
523 {
524 retCode = SHNotifyDeleteFileW(wPath);
525 SHELL32_FreeUnicodeBuf(wPath);
526 }
527 return retCode;
528 }
529
530 /***********************************************************************/
531
532 static DWORD SHNotifyDeleteFileW(LPCWSTR path)
533 {
534 BOOL ret;
535
536 TRACE("(%s)\n", debugstr_w(path));
537
538 ret = DeleteFileW(path);
539 if (!ret)
540 {
541 /* File may be write protected or a system file */
542 DWORD dwAttr = GetFileAttributesW(path);
543 if (IsAttrib(dwAttr, FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_SYSTEM))
544 if (SetFileAttributesW(path, dwAttr & ~(FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_SYSTEM)))
545 ret = DeleteFileW(path);
546 }
547 if (ret)
548 {
549 SHChangeNotify(SHCNE_DELETE, SHCNF_PATHW, path, NULL);
550 return ERROR_SUCCESS;
551 }
552 return GetLastError();
553 }
554
555 /***********************************************************************/
556
557 DWORD WINAPI Win32DeleteFileAW(LPCVOID path)
558 {
559 if (SHELL_OsIsUnicode())
560 return (SHNotifyDeleteFileW(path) == ERROR_SUCCESS);
561 return (SHNotifyDeleteFileA(path) == ERROR_SUCCESS);
562 }
563
564 /************************************************************************
565 * SHNotifyMoveFile [internal]
566 *
567 * Moves a file. Also triggers a change notify if one exists.
568 *
569 * PARAMS
570 * src [I] path to source file to move
571 * dest [I] path to target file to move to
572 *
573 * RETURNS
574 * ERORR_SUCCESS if successful
575 */
576 static DWORD SHNotifyMoveFileW(LPCWSTR src, LPCWSTR dest)
577 {
578 BOOL ret;
579
580 TRACE("(%s %s)\n", debugstr_w(src), debugstr_w(dest));
581
582 ret = MoveFileExW(src, dest, MOVEFILE_REPLACE_EXISTING);
583
584 /* MOVEFILE_REPLACE_EXISTING fails with dirs, so try MoveFile */
585 if (!ret)
586 ret = MoveFileW(src, dest);
587
588 if (!ret)
589 {
590 DWORD dwAttr;
591
592 dwAttr = SHFindAttrW(dest, FALSE);
593 if (INVALID_FILE_ATTRIBUTES == dwAttr)
594 {
595 /* Source file may be write protected or a system file */
596 dwAttr = GetFileAttributesW(src);
597 if (IsAttrib(dwAttr, FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_SYSTEM))
598 if (SetFileAttributesW(src, dwAttr & ~(FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_SYSTEM)))
599 ret = MoveFileW(src, dest);
600 }
601 }
602 if (ret)
603 {
604 SHChangeNotify(SHCNE_RENAMEITEM, SHCNF_PATHW, src, dest);
605 return ERROR_SUCCESS;
606 }
607 return GetLastError();
608 }
609
610 /************************************************************************
611 * SHNotifyCopyFile [internal]
612 *
613 * Copies a file. Also triggers a change notify if one exists.
614 *
615 * PARAMS
616 * src [I] path to source file to move
617 * dest [I] path to target file to move to
618 * bFailIfExists [I] if TRUE, the target file will not be overwritten if
619 * a file with this name already exists
620 *
621 * RETURNS
622 * ERROR_SUCCESS if successful
623 */
624 static DWORD SHNotifyCopyFileW(LPCWSTR src, LPCWSTR dest, BOOL bFailIfExists)
625 {
626 BOOL ret;
627
628 TRACE("(%s %s %s)\n", debugstr_w(src), debugstr_w(dest), bFailIfExists ? "failIfExists" : "");
629
630 ret = CopyFileW(src, dest, bFailIfExists);
631 if (ret)
632 {
633 SHChangeNotify(SHCNE_CREATE, SHCNF_PATHW, dest, NULL);
634 return ERROR_SUCCESS;
635 }
636
637 return GetLastError();
638 }
639
640 /*************************************************************************
641 * SHCreateDirectory [SHELL32.165]
642 *
643 * This function creates a file system folder whose fully qualified path is
644 * given by path. If one or more of the intermediate folders do not exist,
645 * they will be created as well.
646 *
647 * PARAMS
648 * hWnd [I]
649 * path [I] path of directory to create
650 *
651 * RETURNS
652 * ERRROR_SUCCESS or one of the following values:
653 * ERROR_BAD_PATHNAME if the path is relative
654 * ERROR_FILE_EXISTS when a file with that name exists
655 * ERROR_PATH_NOT_FOUND can't find the path, probably invalid
656 * ERROR_INVLID_NAME if the path contains invalid chars
657 * ERROR_ALREADY_EXISTS when the directory already exists
658 * ERROR_FILENAME_EXCED_RANGE if the filename was to long to process
659 *
660 * NOTES
661 * exported by ordinal
662 * Win9x exports ANSI
663 * WinNT/2000 exports Unicode
664 */
665 DWORD WINAPI SHCreateDirectory(HWND hWnd, LPCVOID path)
666 {
667 if (SHELL_OsIsUnicode())
668 return SHCreateDirectoryExW(hWnd, path, NULL);
669 return SHCreateDirectoryExA(hWnd, path, NULL);
670 }
671
672 /*************************************************************************
673 * SHCreateDirectoryExA [SHELL32.@]
674 *
675 * This function creates a file system folder whose fully qualified path is
676 * given by path. If one or more of the intermediate folders do not exist,
677 * they will be created as well.
678 *
679 * PARAMS
680 * hWnd [I]
681 * path [I] path of directory to create
682 * sec [I] security attributes to use or NULL
683 *
684 * RETURNS
685 * ERRROR_SUCCESS or one of the following values:
686 * ERROR_BAD_PATHNAME or ERROR_PATH_NOT_FOUND if the path is relative
687 * ERROR_INVLID_NAME if the path contains invalid chars
688 * ERROR_FILE_EXISTS when a file with that name exists
689 * ERROR_ALREADY_EXISTS when the directory already exists
690 * ERROR_FILENAME_EXCED_RANGE if the filename was to long to process
691 *
692 * FIXME: Not implemented yet;
693 * SHCreateDirectoryEx also verifies that the files in the directory will be visible
694 * if the path is a network path to deal with network drivers which might have a limited
695 * but unknown maximum path length. If not:
696 *
697 * If hWnd is set to a valid window handle, a message box is displayed warning
698 * the user that the files may not be accessible. If the user chooses not to
699 * proceed, the function returns ERROR_CANCELLED.
700 *
701 * If hWnd is set to NULL, no user interface is displayed and the function
702 * returns ERROR_CANCELLED.
703 */
704 int WINAPI SHCreateDirectoryExA(HWND hWnd, LPCSTR path, LPSECURITY_ATTRIBUTES sec)
705 {
706 LPWSTR wPath;
707 DWORD retCode;
708
709 TRACE("(%s, %p)\n", debugstr_a(path), sec);
710
711 retCode = SHELL32_AnsiToUnicodeBuf(path, &wPath, 0);
712 if (!retCode)
713 {
714 retCode = SHCreateDirectoryExW(hWnd, wPath, sec);
715 SHELL32_FreeUnicodeBuf(wPath);
716 }
717 return retCode;
718 }
719
720 /*************************************************************************
721 * SHCreateDirectoryExW [SHELL32.@]
722 *
723 * See SHCreateDirectoryExA.
724 */
725 int WINAPI SHCreateDirectoryExW(HWND hWnd, LPCWSTR path, LPSECURITY_ATTRIBUTES sec)
726 {
727 int ret = ERROR_BAD_PATHNAME;
728 TRACE("(%p, %s, %p)\n", hWnd, debugstr_w(path), sec);
729
730 if (PathIsRelativeW(path))
731 {
732 SetLastError(ret);
733 }
734 else
735 {
736 ret = SHNotifyCreateDirectoryW(path, sec);
737 /* Refuse to work on certain error codes before trying to create directories recursively */
738 if (ret != ERROR_SUCCESS &&
739 ret != ERROR_FILE_EXISTS &&
740 ret != ERROR_ALREADY_EXISTS &&
741 ret != ERROR_FILENAME_EXCED_RANGE)
742 {
743 WCHAR *pEnd, *pSlash, szTemp[MAX_PATH + 1]; /* extra for PathAddBackslash() */
744
745 lstrcpynW(szTemp, path, MAX_PATH);
746 pEnd = PathAddBackslashW(szTemp);
747 pSlash = szTemp + 3;
748
749 while (*pSlash)
750 {
751 while (*pSlash && *pSlash != '\\') pSlash++;
752 if (*pSlash)
753 {
754 *pSlash = 0; /* terminate path at separator */
755
756 ret = SHNotifyCreateDirectoryW(szTemp, pSlash + 1 == pEnd ? sec : NULL);
757 }
758 *pSlash++ = '\\'; /* put the separator back */
759 }
760 }
761
762 if (ret && hWnd && (ERROR_CANCELLED != ret))
763 {
764 /* We failed and should show a dialog box */
765 FIXME("Show system error message, creating path %s, failed with error %d\n", debugstr_w(path), ret);
766 ret = ERROR_CANCELLED; /* Error has been already presented to user (not really yet!) */
767 }
768 }
769 return ret;
770 }
771
772 /*************************************************************************
773 * SHFindAttrW [internal]
774 *
775 * Get the Attributes for a file or directory. The difference to GetAttributes()
776 * is that this function will also work for paths containing wildcard characters
777 * in its filename.
778
779 * PARAMS
780 * path [I] path of directory or file to check
781 * fileOnly [I] TRUE if only files should be found
782 *
783 * RETURNS
784 * INVALID_FILE_ATTRIBUTES if the path does not exist, the actual attributes of
785 * the first file or directory found otherwise
786 */
787 static DWORD SHFindAttrW(LPCWSTR pName, BOOL fileOnly)
788 {
789 WIN32_FIND_DATAW wfd;
790 BOOL b_FileMask = fileOnly && (NULL != StrPBrkW(pName, wWildcardChars));
791 DWORD dwAttr = INVALID_FILE_ATTRIBUTES;
792 HANDLE hFind = FindFirstFileW(pName, &wfd);
793
794 TRACE("%s %d\n", debugstr_w(pName), fileOnly);
795 if (INVALID_HANDLE_VALUE != hFind)
796 {
797 do
798 {
799 if (b_FileMask && IsAttribDir(wfd.dwFileAttributes))
800 continue;
801 dwAttr = wfd.dwFileAttributes;
802 break;
803 }
804 while (FindNextFileW(hFind, &wfd));
805 FindClose(hFind);
806 }
807 return dwAttr;
808 }
809
810 /*************************************************************************
811 *
812 * SHNameTranslate HelperFunction for SHFileOperationA
813 *
814 * Translates a list of 0 terminated ASCII strings into Unicode. If *wString
815 * is NULL, only the necessary size of the string is determined and returned,
816 * otherwise the ASCII strings are copied into it and the buffer is increased
817 * to point to the location after the final 0 termination char.
818 */
819 static DWORD SHNameTranslate(LPWSTR* wString, LPCWSTR* pWToFrom, BOOL more)
820 {
821 DWORD size = 0, aSize = 0;
822 LPCSTR aString = (LPCSTR)*pWToFrom;
823
824 if (aString)
825 {
826 do
827 {
828 size = lstrlenA(aString) + 1;
829 aSize += size;
830 aString += size;
831 } while ((size != 1) && more);
832 /* The two sizes might be different in the case of multibyte chars */
833 size = MultiByteToWideChar(CP_ACP, 0, (LPCSTR)*pWToFrom, aSize, *wString, 0);
834 if (*wString) /* only in the second loop */
835 {
836 MultiByteToWideChar(CP_ACP, 0, (LPCSTR)*pWToFrom, aSize, *wString, size);
837 *pWToFrom = *wString;
838 *wString += size;
839 }
840 }
841 return size;
842 }
843 /*************************************************************************
844 * SHFileOperationA [SHELL32.@]
845 *
846 * Function to copy, move, delete and create one or more files with optional
847 * user prompts.
848 *
849 * PARAMS
850 * lpFileOp [I/O] pointer to a structure containing all the necessary information
851 *
852 * RETURNS
853 * Success: ERROR_SUCCESS.
854 * Failure: ERROR_CANCELLED.
855 *
856 * NOTES
857 * exported by name
858 */
859 int WINAPI SHFileOperationA(LPSHFILEOPSTRUCTA lpFileOp)
860 {
861 SHFILEOPSTRUCTW nFileOp = *((LPSHFILEOPSTRUCTW)lpFileOp);
862 int retCode = 0;
863 DWORD size;
864 LPWSTR ForFree = NULL, /* we change wString in SHNameTranslate and can't use it for freeing */
865 wString = NULL; /* we change this in SHNameTranslate */
866
867 TRACE("\n");
868 if (FO_DELETE == (nFileOp.wFunc & FO_MASK))
869 nFileOp.pTo = NULL; /* we need a NULL or a valid pointer for translation */
870 if (!(nFileOp.fFlags & FOF_SIMPLEPROGRESS))
871 nFileOp.lpszProgressTitle = NULL; /* we need a NULL or a valid pointer for translation */
872 while (1) /* every loop calculate size, second translate also, if we have storage for this */
873 {
874 size = SHNameTranslate(&wString, &nFileOp.lpszProgressTitle, FALSE); /* no loop */
875 size += SHNameTranslate(&wString, &nFileOp.pFrom, TRUE); /* internal loop */
876 size += SHNameTranslate(&wString, &nFileOp.pTo, TRUE); /* internal loop */
877
878 if (ForFree)
879 {
880 retCode = SHFileOperationW(&nFileOp);
881 HeapFree(GetProcessHeap(), 0, ForFree); /* we cannot use wString, it was changed */
882 break;
883 }
884 else
885 {
886 wString = ForFree = HeapAlloc(GetProcessHeap(), 0, size * sizeof(WCHAR));
887 if (ForFree) continue;
888 retCode = ERROR_OUTOFMEMORY;
889 nFileOp.fAnyOperationsAborted = TRUE;
890 SetLastError(retCode);
891 return retCode;
892 }
893 }
894
895 lpFileOp->hNameMappings = nFileOp.hNameMappings;
896 lpFileOp->fAnyOperationsAborted = nFileOp.fAnyOperationsAborted;
897 return retCode;
898 }
899
900 #define ERROR_SHELL_INTERNAL_FILE_NOT_FOUND 1026
901
902 typedef struct
903 {
904 DWORD attributes;
905 LPWSTR szDirectory;
906 LPWSTR szFilename;
907 LPWSTR szFullPath;
908 BOOL bFromWildcard;
909 BOOL bFromRelative;
910 BOOL bExists;
911 } FILE_ENTRY;
912
913 typedef struct
914 {
915 FILE_ENTRY *feFiles;
916 DWORD num_alloc;
917 DWORD dwNumFiles;
918 BOOL bAnyFromWildcard;
919 BOOL bAnyDirectories;
920 BOOL bAnyDontExist;
921 } FILE_LIST;
922
923
924 static inline void grow_list(FILE_LIST *list)
925 {
926 FILE_ENTRY *new = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, list->feFiles,
927 list->num_alloc * 2 * sizeof(*new) );
928 list->feFiles = new;
929 list->num_alloc *= 2;
930 }
931
932 /* adds a file to the FILE_ENTRY struct
933 */
934 static void add_file_to_entry(FILE_ENTRY *feFile, LPWSTR szFile)
935 {
936 DWORD dwLen = lstrlenW(szFile) + 1;
937 LPWSTR ptr;
938
939 feFile->szFullPath = HeapAlloc(GetProcessHeap(), 0, dwLen * sizeof(WCHAR));
940 lstrcpyW(feFile->szFullPath, szFile);
941
942 ptr = StrRChrW(szFile, NULL, '\\');
943 if (ptr)
944 {
945 dwLen = ptr - szFile + 1;
946 feFile->szDirectory = HeapAlloc(GetProcessHeap(), 0, dwLen * sizeof(WCHAR));
947 lstrcpynW(feFile->szDirectory, szFile, dwLen);
948
949 dwLen = lstrlenW(feFile->szFullPath) - dwLen + 1;
950 feFile->szFilename = HeapAlloc(GetProcessHeap(), 0, dwLen * sizeof(WCHAR));
951 lstrcpyW(feFile->szFilename, ptr + 1); /* skip over backslash */
952 }
953 feFile->bFromWildcard = FALSE;
954 }
955
956 static LPWSTR wildcard_to_file(LPWSTR szWildCard, LPWSTR szFileName)
957 {
958 LPWSTR szFullPath, ptr;
959 DWORD dwDirLen, dwFullLen;
960
961 ptr = StrRChrW(szWildCard, NULL, '\\');
962 dwDirLen = ptr - szWildCard + 1;
963
964 dwFullLen = dwDirLen + lstrlenW(szFileName) + 1;
965 szFullPath = HeapAlloc(GetProcessHeap(), 0, dwFullLen * sizeof(WCHAR));
966
967 lstrcpynW(szFullPath, szWildCard, dwDirLen + 1);
968 lstrcatW(szFullPath, szFileName);
969
970 return szFullPath;
971 }
972
973 static void parse_wildcard_files(FILE_LIST *flList, LPWSTR szFile, LPDWORD pdwListIndex)
974 {
975 WIN32_FIND_DATAW wfd;
976 HANDLE hFile = FindFirstFileW(szFile, &wfd);
977 FILE_ENTRY *file;
978 LPWSTR szFullPath;
979 BOOL res;
980
981 if (hFile == INVALID_HANDLE_VALUE) return;
982
983 for (res = TRUE; res; res = FindNextFileW(hFile, &wfd))
984 {
985 if (IsDotDir(wfd.cFileName)) continue;
986 if (*pdwListIndex >= flList->num_alloc) grow_list( flList );
987 szFullPath = wildcard_to_file(szFile, wfd.cFileName);
988 file = &flList->feFiles[(*pdwListIndex)++];
989 add_file_to_entry(file, szFullPath);
990 file->bFromWildcard = TRUE;
991 file->attributes = wfd.dwFileAttributes;
992 if (IsAttribDir(file->attributes)) flList->bAnyDirectories = TRUE;
993 HeapFree(GetProcessHeap(), 0, szFullPath);
994 }
995
996 FindClose(hFile);
997 }
998
999 /* takes the null-separated file list and fills out the FILE_LIST */
1000 static HRESULT parse_file_list(FILE_LIST *flList, LPCWSTR szFiles)
1001 {
1002 LPCWSTR ptr = szFiles;
1003 WCHAR szCurFile[MAX_PATH];
1004 DWORD i = 0, dwDirLen;
1005
1006 if (!szFiles)
1007 return ERROR_INVALID_PARAMETER;
1008
1009 flList->bAnyFromWildcard = FALSE;
1010 flList->bAnyDirectories = FALSE;
1011 flList->bAnyDontExist = FALSE;
1012 flList->num_alloc = 32;
1013 flList->dwNumFiles = 0;
1014
1015 /* empty list */
1016 if (!szFiles[0])
1017 return ERROR_ACCESS_DENIED;
1018
1019 flList->feFiles = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
1020 flList->num_alloc * sizeof(FILE_ENTRY));
1021
1022 while (*ptr)
1023 {
1024 if (i >= flList->num_alloc) grow_list( flList );
1025
1026 /* change relative to absolute path */
1027 if (PathIsRelativeW(ptr))
1028 {
1029 dwDirLen = GetCurrentDirectoryW(MAX_PATH, szCurFile) + 1;
1030 PathCombineW(szCurFile, szCurFile, ptr);
1031 flList->feFiles[i].bFromRelative = TRUE;
1032 }
1033 else
1034 {
1035 lstrcpyW(szCurFile, ptr);
1036 flList->feFiles[i].bFromRelative = FALSE;
1037 }
1038
1039 /* parse wildcard files if they are in the filename */
1040 if (StrPBrkW(szCurFile, wWildcardChars))
1041 {
1042 parse_wildcard_files(flList, szCurFile, &i);
1043 flList->bAnyFromWildcard = TRUE;
1044 i--;
1045 }
1046 else
1047 {
1048 FILE_ENTRY *file = &flList->feFiles[i];
1049 add_file_to_entry(file, szCurFile);
1050 file->attributes = GetFileAttributesW( file->szFullPath );
1051 file->bExists = (file->attributes != INVALID_FILE_ATTRIBUTES);
1052 if (!file->bExists) flList->bAnyDontExist = TRUE;
1053 if (IsAttribDir(file->attributes)) flList->bAnyDirectories = TRUE;
1054 }
1055
1056 /* advance to the next string */
1057 ptr += lstrlenW(ptr) + 1;
1058 i++;
1059 }
1060 flList->dwNumFiles = i;
1061
1062 return S_OK;
1063 }
1064
1065 /* free the FILE_LIST */
1066 static void destroy_file_list(FILE_LIST *flList)
1067 {
1068 DWORD i;
1069
1070 if (!flList || !flList->feFiles)
1071 return;
1072
1073 for (i = 0; i < flList->dwNumFiles; i++)
1074 {
1075 HeapFree(GetProcessHeap(), 0, flList->feFiles[i].szDirectory);
1076 HeapFree(GetProcessHeap(), 0, flList->feFiles[i].szFilename);
1077 HeapFree(GetProcessHeap(), 0, flList->feFiles[i].szFullPath);
1078 }
1079
1080 HeapFree(GetProcessHeap(), 0, flList->feFiles);
1081 }
1082
1083 static void copy_dir_to_dir(FILE_OPERATION *op, FILE_ENTRY *feFrom, LPWSTR szDestPath)
1084 {
1085 WCHAR szFrom[MAX_PATH], szTo[MAX_PATH];
1086 SHFILEOPSTRUCTW fileOp;
1087
1088 static const WCHAR wildCardFiles[] = {'*','.','*',0};
1089
1090 if (IsDotDir(feFrom->szFilename))
1091 return;
1092
1093 if (PathFileExistsW(szDestPath))
1094 PathCombineW(szTo, szDestPath, feFrom->szFilename);
1095 else
1096 lstrcpyW(szTo, szDestPath);
1097
1098 if (!(op->req->fFlags & FOF_NOCONFIRMATION) && PathFileExistsW(szTo)) {
1099 if (!SHELL_ConfirmDialogW(op->req->hwnd, ASK_OVERWRITE_FOLDER, feFrom->szFilename, op))
1100 {
1101 /* Vista returns an ERROR_CANCELLED even if user pressed "No" */
1102 if (!op->bManyItems)
1103 op->bCancelled = TRUE;
1104 return;
1105 }
1106 }
1107
1108 szTo[lstrlenW(szTo) + 1] = '\0';
1109 SHNotifyCreateDirectoryW(szTo, NULL);
1110
1111 PathCombineW(szFrom, feFrom->szFullPath, wildCardFiles);
1112 szFrom[lstrlenW(szFrom) + 1] = '\0';
1113
1114 memcpy(&fileOp, op->req, sizeof(fileOp));
1115 fileOp.pFrom = szFrom;
1116 fileOp.pTo = szTo;
1117 fileOp.fFlags &= ~FOF_MULTIDESTFILES; /* we know we're copying to one dir */
1118
1119 /* Don't ask the user about overwriting files when he accepted to overwrite the
1120 folder. FIXME: this is not exactly what Windows does - e.g. there would be
1121 an additional confirmation for a nested folder */
1122 fileOp.fFlags |= FOF_NOCONFIRMATION;
1123
1124 SHFileOperationW(&fileOp);
1125 }
1126
1127 static BOOL copy_file_to_file(FILE_OPERATION *op, WCHAR *szFrom, WCHAR *szTo)
1128 {
1129 if (!(op->req->fFlags & FOF_NOCONFIRMATION) && PathFileExistsW(szTo))
1130 {
1131 if (!SHELL_ConfirmDialogW(op->req->hwnd, ASK_OVERWRITE_FILE, PathFindFileNameW(szTo), op))
1132 return 0;
1133 }
1134
1135 return SHNotifyCopyFileW(szFrom, szTo, FALSE) == 0;
1136 }
1137
1138 /* copy a file or directory to another directory */
1139 static void copy_to_dir(FILE_OPERATION *op, FILE_ENTRY *feFrom, FILE_ENTRY *feTo)
1140 {
1141 if (!PathFileExistsW(feTo->szFullPath))
1142 SHNotifyCreateDirectoryW(feTo->szFullPath, NULL);
1143
1144 if (IsAttribFile(feFrom->attributes))
1145 {
1146 WCHAR szDestPath[MAX_PATH];
1147
1148 PathCombineW(szDestPath, feTo->szFullPath, feFrom->szFilename);
1149 copy_file_to_file(op, feFrom->szFullPath, szDestPath);
1150 }
1151 else if (!(op->req->fFlags & FOF_FILESONLY && feFrom->bFromWildcard))
1152 copy_dir_to_dir(op, feFrom, feTo->szFullPath);
1153 }
1154
1155 static void create_dest_dirs(LPWSTR szDestDir)
1156 {
1157 WCHAR dir[MAX_PATH];
1158 LPWSTR ptr = StrChrW(szDestDir, '\\');
1159
1160 /* make sure all directories up to last one are created */
1161 while (ptr && (ptr = StrChrW(ptr + 1, '\\')))
1162 {
1163 lstrcpynW(dir, szDestDir, ptr - szDestDir + 1);
1164
1165 if (!PathFileExistsW(dir))
1166 SHNotifyCreateDirectoryW(dir, NULL);
1167 }
1168
1169 /* create last directory */
1170 if (!PathFileExistsW(szDestDir))
1171 SHNotifyCreateDirectoryW(szDestDir, NULL);
1172 }
1173
1174 /* the FO_COPY operation */
1175 static HRESULT copy_files(FILE_OPERATION *op, FILE_LIST *flFrom, FILE_LIST *flTo)
1176 {
1177 DWORD i;
1178 FILE_ENTRY *entryToCopy;
1179 FILE_ENTRY *fileDest = &flTo->feFiles[0];
1180 BOOL bCancelIfAnyDirectories = FALSE;
1181
1182 if (flFrom->bAnyDontExist)
1183 return ERROR_SHELL_INTERNAL_FILE_NOT_FOUND;
1184
1185 if (op->req->fFlags & FOF_MULTIDESTFILES && flFrom->bAnyFromWildcard)
1186 return ERROR_CANCELLED;
1187
1188 if (!(op->req->fFlags & FOF_MULTIDESTFILES) && flTo->dwNumFiles != 1)
1189 return ERROR_CANCELLED;
1190
1191 if (op->req->fFlags & FOF_MULTIDESTFILES && flFrom->dwNumFiles != 1 &&
1192 flFrom->dwNumFiles != flTo->dwNumFiles)
1193 {
1194 return ERROR_CANCELLED;
1195 }
1196
1197 if (flFrom->dwNumFiles > 1 && flTo->dwNumFiles == 1 &&
1198 !PathFileExistsW(flTo->feFiles[0].szFullPath) &&
1199 IsAttribFile(fileDest->attributes))
1200 {
1201 bCancelIfAnyDirectories = TRUE;
1202 }
1203
1204 if (flFrom->dwNumFiles > 1 && flTo->dwNumFiles == 1 && fileDest->bFromRelative &&
1205 !PathFileExistsW(fileDest->szFullPath))
1206 {
1207 op->req->fAnyOperationsAborted = TRUE;
1208 return ERROR_CANCELLED;
1209 }
1210
1211 if (!(op->req->fFlags & FOF_MULTIDESTFILES) && flFrom->dwNumFiles != 1 &&
1212 PathFileExistsW(fileDest->szFullPath) &&
1213 IsAttribFile(fileDest->attributes))
1214 {
1215 return ERROR_CANCELLED;
1216 }
1217
1218 for (i = 0; i < flFrom->dwNumFiles; i++)
1219 {
1220 entryToCopy = &flFrom->feFiles[i];
1221
1222 if (op->req->fFlags & FOF_MULTIDESTFILES)
1223 fileDest = &flTo->feFiles[i];
1224
1225 if (IsAttribDir(entryToCopy->attributes) &&
1226 !lstrcmpiW(entryToCopy->szFullPath, fileDest->szDirectory))
1227 {
1228 return ERROR_SUCCESS;
1229 }
1230
1231 if (IsAttribDir(entryToCopy->attributes) && bCancelIfAnyDirectories)
1232 return ERROR_CANCELLED;
1233
1234 create_dest_dirs(fileDest->szDirectory);
1235
1236 if (!lstrcmpiW(entryToCopy->szFullPath, fileDest->szFullPath))
1237 {
1238 if (IsAttribFile(entryToCopy->attributes))
1239 return ERROR_NO_MORE_SEARCH_HANDLES;
1240 else
1241 return ERROR_SUCCESS;
1242 }
1243
1244 if ((flFrom->dwNumFiles > 1 && flTo->dwNumFiles == 1) ||
1245 (flFrom->dwNumFiles == 1 && IsAttribDir(fileDest->attributes)))
1246 {
1247 copy_to_dir(op, entryToCopy, fileDest);
1248 }
1249 else if (IsAttribDir(entryToCopy->attributes))
1250 {
1251 copy_dir_to_dir(op, entryToCopy, fileDest->szFullPath);
1252 }
1253 else
1254 {
1255 if (!copy_file_to_file(op, entryToCopy->szFullPath, fileDest->szFullPath))
1256 {
1257 op->req->fAnyOperationsAborted = TRUE;
1258 return ERROR_CANCELLED;
1259 }
1260 }
1261
1262 /* Vista return code. XP would return e.g. ERROR_FILE_NOT_FOUND, ERROR_ALREADY_EXISTS */
1263 if (op->bCancelled)
1264 return ERROR_CANCELLED;
1265 }
1266
1267 /* Vista return code. On XP if the used pressed "No" for the last item,
1268 * ERROR_ARENA_TRASHED would be returned */
1269 return ERROR_SUCCESS;
1270 }
1271
1272 static BOOL confirm_delete_list(HWND hWnd, DWORD fFlags, BOOL fTrash, FILE_LIST *flFrom)
1273 {
1274 if (flFrom->dwNumFiles > 1)
1275 {
1276 WCHAR tmp[8];
1277 const WCHAR format[] = {'%','d',0};
1278
1279 wnsprintfW(tmp, sizeof(tmp)/sizeof(tmp[0]), format, flFrom->dwNumFiles);
1280 return SHELL_ConfirmDialogW(hWnd, (fTrash?ASK_TRASH_MULTIPLE_ITEM:ASK_DELETE_MULTIPLE_ITEM), tmp, NULL);
1281 }
1282 else
1283 {
1284 FILE_ENTRY *fileEntry = &flFrom->feFiles[0];
1285
1286 if (IsAttribFile(fileEntry->attributes))
1287 return SHELL_ConfirmDialogW(hWnd, (fTrash?ASK_TRASH_FILE:ASK_DELETE_FILE), fileEntry->szFullPath, NULL);
1288 else if (!(fFlags & FOF_FILESONLY && fileEntry->bFromWildcard))
1289 return SHELL_ConfirmDialogW(hWnd, (fTrash?ASK_TRASH_FOLDER:ASK_DELETE_FOLDER), fileEntry->szFullPath, NULL);
1290 }
1291 return TRUE;
1292 }
1293
1294 /* the FO_DELETE operation */
1295 static HRESULT delete_files(LPSHFILEOPSTRUCTW lpFileOp, FILE_LIST *flFrom)
1296 {
1297 FILE_ENTRY *fileEntry;
1298 DWORD i;
1299 BOOL bPathExists;
1300 BOOL bTrash;
1301
1302 if (!flFrom->dwNumFiles)
1303 return ERROR_SUCCESS;
1304
1305 /* Windows also checks only the first item */
1306 bTrash = (lpFileOp->fFlags & FOF_ALLOWUNDO)
1307 && TRASH_CanTrashFile(flFrom->feFiles[0].szFullPath);
1308
1309 if (!(lpFileOp->fFlags & FOF_NOCONFIRMATION) || (!bTrash && lpFileOp->fFlags & FOF_WANTNUKEWARNING))
1310 if (!confirm_delete_list(lpFileOp->hwnd, lpFileOp->fFlags, bTrash, flFrom))
1311 {
1312 lpFileOp->fAnyOperationsAborted = TRUE;
1313 return 0;
1314 }
1315
1316 for (i = 0; i < flFrom->dwNumFiles; i++)
1317 {
1318 bPathExists = TRUE;
1319 fileEntry = &flFrom->feFiles[i];
1320
1321 if (!IsAttribFile(fileEntry->attributes) &&
1322 (lpFileOp->fFlags & FOF_FILESONLY && fileEntry->bFromWildcard))
1323 continue;
1324
1325 if (bTrash)
1326 {
1327 BOOL bDelete;
1328 if (TRASH_TrashFile(fileEntry->szFullPath))
1329 continue;
1330
1331 /* Note: Windows silently deletes the file in such a situation, we show a dialog */
1332 if (!(lpFileOp->fFlags & FOF_NOCONFIRMATION) || (lpFileOp->fFlags & FOF_WANTNUKEWARNING))
1333 bDelete = SHELL_ConfirmDialogW(lpFileOp->hwnd, ASK_CANT_TRASH_ITEM, fileEntry->szFullPath, NULL);
1334 else
1335 bDelete = TRUE;
1336
1337 if (!bDelete)
1338 {
1339 lpFileOp->fAnyOperationsAborted = TRUE;
1340 break;
1341 }
1342 }
1343
1344 /* delete the file or directory */
1345 if (IsAttribFile(fileEntry->attributes))
1346 bPathExists = DeleteFileW(fileEntry->szFullPath);
1347 else
1348 bPathExists = SHELL_DeleteDirectoryW(lpFileOp->hwnd, fileEntry->szFullPath, FALSE);
1349
1350 if (!bPathExists)
1351 return ERROR_PATH_NOT_FOUND;
1352 }
1353
1354 return ERROR_SUCCESS;
1355 }
1356
1357 static void move_dir_to_dir(LPSHFILEOPSTRUCTW lpFileOp, FILE_ENTRY *feFrom, LPWSTR szDestPath)
1358 {
1359 WCHAR szFrom[MAX_PATH], szTo[MAX_PATH];
1360 SHFILEOPSTRUCTW fileOp;
1361
1362 static const WCHAR wildCardFiles[] = {'*','.','*',0};
1363
1364 if (IsDotDir(feFrom->szFilename))
1365 return;
1366
1367 SHNotifyCreateDirectoryW(szDestPath, NULL);
1368
1369 PathCombineW(szFrom, feFrom->szFullPath, wildCardFiles);
1370 szFrom[lstrlenW(szFrom) + 1] = '\0';
1371
1372 lstrcpyW(szTo, szDestPath);
1373 szTo[lstrlenW(szDestPath) + 1] = '\0';
1374
1375 memcpy(&fileOp, lpFileOp, sizeof(fileOp));
1376 fileOp.pFrom = szFrom;
1377 fileOp.pTo = szTo;
1378
1379 SHFileOperationW(&fileOp);
1380 }
1381
1382 /* moves a file or directory to another directory */
1383 static void move_to_dir(LPSHFILEOPSTRUCTW lpFileOp, FILE_ENTRY *feFrom, FILE_ENTRY *feTo)
1384 {
1385 WCHAR szDestPath[MAX_PATH];
1386
1387 PathCombineW(szDestPath, feTo->szFullPath, feFrom->szFilename);
1388
1389 if (IsAttribFile(feFrom->attributes))
1390 SHNotifyMoveFileW(feFrom->szFullPath, szDestPath);
1391 else if (!(lpFileOp->fFlags & FOF_FILESONLY && feFrom->bFromWildcard))
1392 move_dir_to_dir(lpFileOp, feFrom, szDestPath);
1393 }
1394
1395 /* the FO_MOVE operation */
1396 static HRESULT move_files(LPSHFILEOPSTRUCTW lpFileOp, FILE_LIST *flFrom, FILE_LIST *flTo)
1397 {
1398 DWORD i;
1399 FILE_ENTRY *entryToMove;
1400 FILE_ENTRY *fileDest;
1401
1402 if (!flFrom->dwNumFiles || !flTo->dwNumFiles)
1403 return ERROR_CANCELLED;
1404
1405 if (!(lpFileOp->fFlags & FOF_MULTIDESTFILES) &&
1406 flTo->dwNumFiles > 1 && flFrom->dwNumFiles > 1)
1407 {
1408 return ERROR_CANCELLED;
1409 }
1410
1411 if (!(lpFileOp->fFlags & FOF_MULTIDESTFILES) &&
1412 !flFrom->bAnyDirectories &&
1413 flFrom->dwNumFiles > flTo->dwNumFiles)
1414 {
1415 return ERROR_CANCELLED;
1416 }
1417
1418 if (!PathFileExistsW(flTo->feFiles[0].szDirectory))
1419 return ERROR_CANCELLED;
1420
1421 if ((lpFileOp->fFlags & FOF_MULTIDESTFILES) &&
1422 flFrom->dwNumFiles != flTo->dwNumFiles)
1423 {
1424 return ERROR_CANCELLED;
1425 }
1426
1427 fileDest = &flTo->feFiles[0];
1428 for (i = 0; i < flFrom->dwNumFiles; i++)
1429 {
1430 entryToMove = &flFrom->feFiles[i];
1431
1432 if (lpFileOp->fFlags & FOF_MULTIDESTFILES)
1433 fileDest = &flTo->feFiles[i];
1434
1435 if (!PathFileExistsW(fileDest->szDirectory))
1436 return ERROR_CANCELLED;
1437
1438 if (fileDest->bExists && IsAttribDir(fileDest->attributes))
1439 move_to_dir(lpFileOp, entryToMove, fileDest);
1440 else
1441 SHNotifyMoveFileW(entryToMove->szFullPath, fileDest->szFullPath);
1442 }
1443
1444 return ERROR_SUCCESS;
1445 }
1446
1447 /* the FO_RENAME files */
1448 static HRESULT rename_files(LPSHFILEOPSTRUCTW lpFileOp, FILE_LIST *flFrom, FILE_LIST *flTo)
1449 {
1450 FILE_ENTRY *feFrom;
1451 FILE_ENTRY *feTo;
1452
1453 if (flFrom->dwNumFiles != 1)
1454 return ERROR_GEN_FAILURE;
1455
1456 if (flTo->dwNumFiles != 1)
1457 return ERROR_CANCELLED;
1458
1459 feFrom = &flFrom->feFiles[0];
1460 feTo= &flTo->feFiles[0];
1461
1462 /* fail if destination doesn't exist */
1463 if (!feFrom->bExists)
1464 return ERROR_SHELL_INTERNAL_FILE_NOT_FOUND;
1465
1466 /* fail if destination already exists */
1467 if (feTo->bExists)
1468 return ERROR_ALREADY_EXISTS;
1469
1470 return SHNotifyMoveFileW(feFrom->szFullPath, feTo->szFullPath);
1471 }
1472
1473 /* alert the user if an unsupported flag is used */
1474 static void check_flags(FILEOP_FLAGS fFlags)
1475 {
1476 WORD wUnsupportedFlags = FOF_NO_CONNECTED_ELEMENTS |
1477 FOF_NOCOPYSECURITYATTRIBS | FOF_NORECURSEREPARSE |
1478 FOF_RENAMEONCOLLISION | FOF_WANTMAPPINGHANDLE;
1479
1480 if (fFlags & wUnsupportedFlags)
1481 FIXME("Unsupported flags: %04x\n", fFlags);
1482 }
1483
1484 /*************************************************************************
1485 * SHFileOperationW [SHELL32.@]
1486 *
1487 * See SHFileOperationA
1488 */
1489 int WINAPI SHFileOperationW(LPSHFILEOPSTRUCTW lpFileOp)
1490 {
1491 FILE_OPERATION op;
1492 FILE_LIST flFrom, flTo;
1493 int ret = 0;
1494
1495 if (!lpFileOp)
1496 return ERROR_INVALID_PARAMETER;
1497
1498 check_flags(lpFileOp->fFlags);
1499
1500 ZeroMemory(&flFrom, sizeof(FILE_LIST));
1501 ZeroMemory(&flTo, sizeof(FILE_LIST));
1502
1503 if ((ret = parse_file_list(&flFrom, lpFileOp->pFrom)))
1504 return ret;
1505
1506 if (lpFileOp->wFunc != FO_DELETE)
1507 parse_file_list(&flTo, lpFileOp->pTo);
1508
1509 ZeroMemory(&op, sizeof(op));
1510 op.req = lpFileOp;
1511 op.bManyItems = (flFrom.dwNumFiles > 1);
1512
1513 switch (lpFileOp->wFunc)
1514 {
1515 case FO_COPY:
1516 ret = copy_files(&op, &flFrom, &flTo);
1517 break;
1518 case FO_DELETE:
1519 ret = delete_files(lpFileOp, &flFrom);
1520 break;
1521 case FO_MOVE:
1522 ret = move_files(lpFileOp, &flFrom, &flTo);
1523 break;
1524 case FO_RENAME:
1525 ret = rename_files(lpFileOp, &flFrom, &flTo);
1526 break;
1527 default:
1528 ret = ERROR_INVALID_PARAMETER;
1529 break;
1530 }
1531
1532 destroy_file_list(&flFrom);
1533
1534 if (lpFileOp->wFunc != FO_DELETE)
1535 destroy_file_list(&flTo);
1536
1537 if (ret == ERROR_CANCELLED)
1538 lpFileOp->fAnyOperationsAborted = TRUE;
1539
1540 return ret;
1541 }
1542
1543 #define SHDSA_GetItemCount(hdsa) (*(int*)(hdsa))
1544
1545 /*************************************************************************
1546 * SHFreeNameMappings [shell32.246]
1547 *
1548 * Free the mapping handle returned by SHFileoperation if FOF_WANTSMAPPINGHANDLE
1549 * was specified.
1550 *
1551 * PARAMS
1552 * hNameMapping [I] handle to the name mappings used during renaming of files
1553 *
1554 * RETURNS
1555 * Nothing
1556 */
1557 void WINAPI SHFreeNameMappings(HANDLE hNameMapping)
1558 {
1559 if (hNameMapping)
1560 {
1561 int i = SHDSA_GetItemCount((HDSA)hNameMapping) - 1;
1562
1563 for (; i>= 0; i--)
1564 {
1565 LPSHNAMEMAPPINGW lp = DSA_GetItemPtr((HDSA)hNameMapping, i);
1566
1567 SHFree(lp->pszOldPath);
1568 SHFree(lp->pszNewPath);
1569 }
1570 DSA_Destroy((HDSA)hNameMapping);
1571 }
1572 }
1573
1574 /*************************************************************************
1575 * SheGetDirA [SHELL32.@]
1576 *
1577 * drive = 0: returns the current directory path
1578 * drive > 0: returns the current directory path of the specified drive
1579 * drive=1 -> A: drive=2 -> B: ...
1580 * returns 0 if successful
1581 */
1582 DWORD WINAPI SheGetDirA(DWORD drive, LPSTR buffer)
1583 {
1584 WCHAR org_path[MAX_PATH];
1585 DWORD ret;
1586 char drv_path[3];
1587
1588 /* change current directory to the specified drive */
1589 if (drive) {
1590 strcpy(drv_path, "A:");
1591 drv_path[0] += (char)drive-1;
1592
1593 GetCurrentDirectoryW(MAX_PATH, org_path);
1594
1595 SetCurrentDirectoryA(drv_path);
1596 }
1597
1598 /* query current directory path of the specified drive */
1599 ret = GetCurrentDirectoryA(MAX_PATH, buffer);
1600
1601 /* back to the original drive */
1602 if (drive)
1603 SetCurrentDirectoryW(org_path);
1604
1605 if (!ret)
1606 return GetLastError();
1607
1608 return 0;
1609 }
1610
1611 /*************************************************************************
1612 * SheGetDirW [SHELL32.@]
1613 *
1614 * drive = 0: returns the current directory path
1615 * drive > 0: returns the current directory path of the specified drive
1616 * drive=1 -> A: drive=2 -> B: ...
1617 * returns 0 if successful
1618 */
1619 DWORD WINAPI SheGetDirW(DWORD drive, LPWSTR buffer)
1620 {
1621 WCHAR org_path[MAX_PATH];
1622 DWORD ret;
1623 char drv_path[3];
1624
1625 /* change current directory to the specified drive */
1626 if (drive) {
1627 strcpy(drv_path, "A:");
1628 drv_path[0] += (char)drive-1;
1629
1630 GetCurrentDirectoryW(MAX_PATH, org_path);
1631
1632 SetCurrentDirectoryA(drv_path);
1633 }
1634
1635 /* query current directory path of the specified drive */
1636 ret = GetCurrentDirectoryW(MAX_PATH, buffer);
1637
1638 /* back to the original drive */
1639 if (drive)
1640 SetCurrentDirectoryW(org_path);
1641
1642 if (!ret)
1643 return GetLastError();
1644
1645 return 0;
1646 }
1647
1648 /*************************************************************************
1649 * SheChangeDirA [SHELL32.@]
1650 *
1651 * changes the current directory to the specified path
1652 * and returns 0 if successful
1653 */
1654 DWORD WINAPI SheChangeDirA(LPSTR path)
1655 {
1656 if (SetCurrentDirectoryA(path))
1657 return 0;
1658 else
1659 return GetLastError();
1660 }
1661
1662 /*************************************************************************
1663 * SheChangeDirW [SHELL32.@]
1664 *
1665 * changes the current directory to the specified path
1666 * and returns 0 if successful
1667 */
1668 DWORD WINAPI SheChangeDirW(LPWSTR path)
1669 {
1670 if (SetCurrentDirectoryW(path))
1671 return 0;
1672 else
1673 return GetLastError();
1674 }
1675
1676 /*************************************************************************
1677 * IsNetDrive [SHELL32.66]
1678 */
1679 BOOL WINAPI IsNetDrive(DWORD drive)
1680 {
1681 char root[4];
1682 strcpy(root, "A:\\");
1683 root[0] += (char)drive;
1684 return (GetDriveTypeA(root) == DRIVE_REMOTE);
1685 }
1686
1687
1688 /*************************************************************************
1689 * RealDriveType [SHELL32.524]
1690 */
1691 INT WINAPI RealDriveType(INT drive, BOOL bQueryNet)
1692 {
1693 char root[] = "A:\\";
1694 root[0] += (char)drive;
1695 return GetDriveTypeA(root);
1696 }
1697
1698 /***********************************************************************
1699 * SHPathPrepareForWriteW (SHELL32.@)
1700 */
1701 HRESULT WINAPI SHPathPrepareForWriteW(HWND hwnd, IUnknown *modless, LPCWSTR path, DWORD flags)
1702 {
1703 HRESULT res;
1704 DWORD err;
1705 LPCWSTR realpath;
1706 int len;
1707 WCHAR* last_slash;
1708 WCHAR* temppath=NULL;
1709
1710 TRACE("%p %p %s 0x%80x\n", hwnd, modless, debugstr_w(path), flags);
1711
1712 if (flags & ~(SHPPFW_DIRCREATE|SHPPFW_ASKDIRCREATE|SHPPFW_IGNOREFILENAME))
1713 FIXME("unimplemented flags 0x%08x\n", flags);
1714
1715 /* cut off filename if necessary */
1716 if (flags & SHPPFW_IGNOREFILENAME)
1717 {
1718 last_slash = StrRChrW(path, NULL, '\\');
1719 if (last_slash == NULL)
1720 len = 1;
1721 else
1722 len = last_slash - path + 1;
1723 temppath = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
1724 if (!temppath)
1725 return E_OUTOFMEMORY;
1726 StrCpyNW(temppath, path, len);
1727 realpath = temppath;
1728 }
1729 else
1730 {
1731 realpath = path;
1732 }
1733
1734 /* try to create the directory if asked to */
1735 if (flags & (SHPPFW_DIRCREATE|SHPPFW_ASKDIRCREATE))
1736 {
1737 if (flags & SHPPFW_ASKDIRCREATE)
1738 FIXME("treating SHPPFW_ASKDIRCREATE as SHPPFW_DIRCREATE\n");
1739
1740 SHCreateDirectoryExW(0, realpath, NULL);
1741 }
1742
1743 /* check if we can access the directory */
1744 res = GetFileAttributesW(realpath);
1745
1746 HeapFree(GetProcessHeap(), 0, temppath);
1747
1748 if (res == INVALID_FILE_ATTRIBUTES)
1749 {
1750 err = GetLastError();
1751 if (err == ERROR_FILE_NOT_FOUND)
1752 return HRESULT_FROM_WIN32(ERROR_PATH_NOT_FOUND);
1753 return HRESULT_FROM_WIN32(err);
1754 }
1755 else if (res & FILE_ATTRIBUTE_DIRECTORY)
1756 return S_OK;
1757 else
1758 return HRESULT_FROM_WIN32(ERROR_DIRECTORY);
1759 }
1760
1761 /***********************************************************************
1762 * SHPathPrepareForWriteA (SHELL32.@)
1763 */
1764 HRESULT WINAPI SHPathPrepareForWriteA(HWND hwnd, IUnknown *modless, LPCSTR path, DWORD flags)
1765 {
1766 WCHAR wpath[MAX_PATH];
1767 MultiByteToWideChar( CP_ACP, 0, path, -1, wpath, MAX_PATH);
1768 return SHPathPrepareForWriteW(hwnd, modless, wpath, flags);
1769 }
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