diff options
Diffstat (limited to 'chromium/base/platform_file_win.cc')
| -rw-r--r-- | chromium/base/platform_file_win.cc | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/chromium/base/platform_file_win.cc b/chromium/base/platform_file_win.cc index 07b5c48c22b..b5e07d7665f 100644 --- a/chromium/base/platform_file_win.cc +++ b/chromium/base/platform_file_win.cc @@ -86,6 +86,20 @@ PlatformFile CreatePlatformFileUnsafe(const FilePath& name, HANDLE file = CreateFile(name.value().c_str(), access, sharing, NULL, disposition, create_flags, NULL); + if (INVALID_HANDLE_VALUE != file){ + // Don't allow directories to be opened without the proper flag (block ADS). + if (!(flags & PLATFORM_FILE_BACKUP_SEMANTICS)) { + BY_HANDLE_FILE_INFORMATION info = { 0 }; + BOOL result = GetFileInformationByHandle(file, &info); + DCHECK(result); + if (info.dwFileAttributes & (FILE_ATTRIBUTE_DIRECTORY | + FILE_ATTRIBUTE_REPARSE_POINT)) { + CloseHandle(file); + file = INVALID_HANDLE_VALUE; + } + } + } + if (created && (INVALID_HANDLE_VALUE != file)) { if (flags & (PLATFORM_FILE_OPEN_ALWAYS)) *created = (ERROR_ALREADY_EXISTS != GetLastError()); |