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[SHELL32] Don't crash on Control Panel item D&D (#6289)
Based on @douglyons 's control-panel-copy-to-desktop-fix.patch. JIRA issue: CORE-19210 - Delete needless #ifdef __REACTOS__ guards because shlfileop.cpp is a forked file. - Do NULL check against feFrom->szFilename.
This commit is contained in:
Katayama Hirofumi MZ
GitHub
parent
8d7a8f0ec1
commit
d689cfe158
1 changed files with 4 additions and 60 deletions
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@ -658,7 +658,6 @@ EXTERN_C DWORD WINAPI Win32DeleteFileW(LPCWSTR path)
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return (SHNotifyDeleteFileW(NULL, path) == ERROR_SUCCESS);
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}
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#ifdef __REACTOS__
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/************************************************************************
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* CheckForError [internal]
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*
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@ -698,7 +697,6 @@ static DWORD CheckForError(FILE_OPERATION *op, DWORD error, LPCWSTR src)
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exit:
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return error;
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}
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#endif
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/************************************************************************
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* SHNotifyMoveFile [internal]
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@ -748,11 +746,7 @@ static DWORD SHNotifyMoveFileW(FILE_OPERATION *op, LPCWSTR src, LPCWSTR dest, BO
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return ERROR_SUCCESS;
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}
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#ifdef __REACTOS__
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return CheckForError(op, GetLastError(), src);
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#else
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return GetLastError();
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#endif
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}
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static BOOL SHIsCdRom(LPCWSTR path)
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@ -822,11 +816,7 @@ static DWORD SHNotifyCopyFileW(FILE_OPERATION *op, LPCWSTR src, LPCWSTR dest, BO
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return ERROR_SUCCESS;
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}
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#ifdef __REACTOS__
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return CheckForError(op, GetLastError(), src);
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#else
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return GetLastError();
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#endif
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}
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/*************************************************************************
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@ -1336,7 +1326,7 @@ static void copy_dir_to_dir(FILE_OPERATION *op, const FILE_ENTRY *feFrom, LPCWST
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WCHAR szFrom[MAX_PATH], szTo[MAX_PATH];
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FILE_LIST flFromNew, flToNew;
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if (IsDotDir(feFrom->szFilename))
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if (feFrom->szFilename && IsDotDir(feFrom->szFilename))
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return;
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if (PathFileExistsW(szDestPath))
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@ -1344,7 +1334,6 @@ static void copy_dir_to_dir(FILE_OPERATION *op, const FILE_ENTRY *feFrom, LPCWST
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else
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lstrcpyW(szTo, szDestPath);
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#ifdef __REACTOS__
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if (PathFileExistsW(szTo))
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{
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if (op->req->fFlags & FOF_RENAMEONCOLLISION)
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@ -1356,16 +1345,6 @@ static void copy_dir_to_dir(FILE_OPERATION *op, const FILE_ENTRY *feFrom, LPCWST
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}
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}
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else if (!(op->req->fFlags & FOF_NOCONFIRMATION))
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#else
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if (!(op->req->fFlags & FOF_NOCONFIRMATION) && PathFileExistsW(szTo))
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{
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CStringW newPath;
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if (lstrcmp(feFrom->szDirectory, szDestPath) == 0 && !(newPath = try_find_new_name(szTo)).IsEmpty())
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{
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StringCchCopyW(szTo, _countof(szTo), newPath);
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}
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else
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#endif
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{
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if (!SHELL_ConfirmDialogW(op->req->hwnd, ASK_OVERWRITE_FOLDER, feFrom->szFilename, op))
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{
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@ -1396,7 +1375,6 @@ static void copy_dir_to_dir(FILE_OPERATION *op, const FILE_ENTRY *feFrom, LPCWST
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static BOOL copy_file_to_file(FILE_OPERATION *op, const WCHAR *szFrom, const WCHAR *szTo)
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{
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#ifdef __REACTOS__
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if (PathFileExistsW(szTo))
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{
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if (op->req->fFlags & FOF_RENAMEONCOLLISION)
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@ -1412,18 +1390,6 @@ static BOOL copy_file_to_file(FILE_OPERATION *op, const WCHAR *szFrom, const WCH
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if (!SHELL_ConfirmDialogW(op->req->hwnd, ASK_OVERWRITE_FILE, PathFindFileNameW(szTo), op))
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return FALSE;
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}
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#else
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if (!(op->req->fFlags & FOF_NOCONFIRMATION) && PathFileExistsW(szTo))
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{
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CStringW newPath;
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if (lstrcmp(szFrom, szTo) == 0 && !(newPath = try_find_new_name(szTo)).IsEmpty())
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{
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return SHNotifyCopyFileW(op, szFrom, newPath, FALSE) == 0;
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}
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if (!SHELL_ConfirmDialogW(op->req->hwnd, ASK_OVERWRITE_FILE, PathFindFileNameW(szTo), op))
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return FALSE;
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#endif
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}
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return SHNotifyCopyFileW(op, szFrom, szTo, FALSE) == 0;
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@ -1719,7 +1685,7 @@ static void move_dir_to_dir(FILE_OPERATION *op, const FILE_ENTRY *feFrom, LPCWST
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WCHAR szFrom[MAX_PATH], szTo[MAX_PATH];
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FILE_LIST flFromNew, flToNew;
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if (IsDotDir(feFrom->szFilename))
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if (feFrom->szFilename && IsDotDir(feFrom->szFilename))
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return;
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SHNotifyCreateDirectoryW(szDestPath, NULL);
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@ -1744,7 +1710,6 @@ static void move_dir_to_dir(FILE_OPERATION *op, const FILE_ENTRY *feFrom, LPCWST
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Win32RemoveDirectoryW(feFrom->szFullPath);
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}
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#ifdef __REACTOS__
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static BOOL move_file_to_file(FILE_OPERATION *op, const WCHAR *szFrom, const WCHAR *szTo)
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{
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if (PathFileExistsW(szTo))
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@ -1766,26 +1731,19 @@ static BOOL move_file_to_file(FILE_OPERATION *op, const WCHAR *szFrom, const WCH
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return SHNotifyMoveFileW(op, szFrom, szTo, FALSE) == 0;
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}
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#endif
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/* moves a file or directory to another directory */
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static void move_to_dir(FILE_OPERATION *op, const FILE_ENTRY *feFrom, const FILE_ENTRY *feTo)
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{
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WCHAR szDestPath[MAX_PATH];
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#ifdef __REACTOS__
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if (!PathFileExistsW(feTo->szFullPath))
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SHNotifyCreateDirectoryW(feTo->szFullPath, NULL);
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#endif
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PathCombineW(szDestPath, feTo->szFullPath, feFrom->szFilename);
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if (IsAttribFile(feFrom->attributes))
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#ifdef __REACTOS__
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move_file_to_file(op, feFrom->szFullPath, szDestPath);
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#else
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SHNotifyMoveFileW(op, feFrom->szFullPath, szDestPath, FALSE);
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#endif
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else if (!(op->req->fFlags & FOF_FILESONLY && feFrom->bFromWildcard))
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move_dir_to_dir(op, feFrom, szDestPath);
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}
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@ -1846,7 +1804,6 @@ static DWORD move_files(FILE_OPERATION *op, BOOL multiDest, const FILE_LIST *flF
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}
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}
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#ifdef __REACTOS__
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if ((flFrom->dwNumFiles > 1 && flTo->dwNumFiles == 1) ||
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IsAttribDir(fileDest->attributes))
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{
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@ -1864,12 +1821,6 @@ static DWORD move_files(FILE_OPERATION *op, BOOL multiDest, const FILE_LIST *flF
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return ERROR_CANCELLED;
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}
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}
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#else
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if (fileDest->bExists && IsAttribDir(fileDest->attributes))
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move_to_dir(op, entryToMove, fileDest);
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else
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SHNotifyMoveFileW(op, entryToMove->szFullPath, fileDest->szFullPath, IsAttribDir(entryToMove->attributes));
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#endif
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if (op->progress != NULL)
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op->bCancelled |= op->progress->HasUserCancelled();
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@ -1921,18 +1872,12 @@ static void check_flags(FILEOP_FLAGS fFlags)
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{
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WORD wUnsupportedFlags = FOF_NO_CONNECTED_ELEMENTS |
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FOF_NOCOPYSECURITYATTRIBS | FOF_NORECURSEREPARSE |
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#ifdef __REACTOS__
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FOF_WANTMAPPINGHANDLE;
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#else
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FOF_RENAMEONCOLLISION | FOF_WANTMAPPINGHANDLE;
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#endif
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if (fFlags & wUnsupportedFlags)
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FIXME("Unsupported flags: %04x\n", fFlags);
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}
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#ifdef __REACTOS__
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static DWORD
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validate_operation(LPSHFILEOPSTRUCTW lpFileOp, FILE_LIST *flFrom, FILE_LIST *flTo)
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{
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@ -2026,7 +1971,7 @@ validate_operation(LPSHFILEOPSTRUCTW lpFileOp, FILE_LIST *flFrom, FILE_LIST *flT
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return ERROR_SUCCESS;
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}
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#endif
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/*************************************************************************
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* SHFileOperationW [SHELL32.@]
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*
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@ -2063,11 +2008,10 @@ int WINAPI SHFileOperationW(LPSHFILEOPSTRUCTW lpFileOp)
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op.completedSize.QuadPart = 0ull;
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op.bManyItems = (flFrom.dwNumFiles > 1);
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#ifdef __REACTOS__
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ret = validate_operation(lpFileOp, &flFrom, &flTo);
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if (ret)
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goto cleanup;
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#endif
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if (lpFileOp->wFunc != FO_RENAME && !(lpFileOp->fFlags & FOF_SILENT)) {
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ret = CoCreateInstance(CLSID_ProgressDialog,
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NULL,
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