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