1 files changed, 73 insertions, 38 deletions
diff --git a/src/corelib/io/qfiledevice_p.h b/src/corelib/io/qfiledevice_p.h
index aef3fca811..72b43ed5a1 100644
--- a/src/corelib/io/qfiledevice_p.h
+++ b/src/corelib/io/qfiledevice_p.h
@@ -1,41 +1,5 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the QtCore module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 3 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL3 included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 3 requirements
-** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 2.0 or (at your option) the GNU General
-** Public license version 3 or any later version approved by the KDE Free
-** Qt Foundation. The licenses are as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-2.0.html and
-** https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
+// Copyright (C) 2022 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
 #ifndef QFILEDEVICE_P_H
 #define QFILEDEVICE_P_H
@@ -52,8 +16,22 @@
 //
 
 #include "private/qiodevice_p.h"
+#include "qfiledevice.h"
 
 #include <memory>
+#if defined(Q_OS_UNIX)
+#  include <sys/types.h> // for mode_t
+#  include <sys/stat.h> // for mode_t constants
+#elif defined(Q_OS_WINDOWS)
+#  include <qt_windows.h>
+#  include <winnt.h> // for SECURITY_DESCRIPTOR
+#  include <optional>
+#  if defined(QT_BOOTSTRAPPED)
+#    define QT_FEATURE_fslibs -1
+#  else
+#    define QT_FEATURE_fslibs 1
+#  endif // QT_BOOTSTRAPPED
+#endif
 
 QT_BEGIN_NAMESPACE
 
@@ -98,6 +76,63 @@ inline bool QFileDevicePrivate::ensureFlushed() const
     return true;
 }
 
+#ifdef Q_OS_UNIX
+namespace QtPrivate {
+
+constexpr mode_t toMode_t(QFileDevice::Permissions permissions)
+{
+    mode_t mode = 0;
+    if (permissions & (QFileDevice::ReadOwner | QFileDevice::ReadUser))
+        mode |= S_IRUSR;
+    if (permissions & (QFileDevice::WriteOwner | QFileDevice::WriteUser))
+        mode |= S_IWUSR;
+    if (permissions & (QFileDevice::ExeOwner | QFileDevice::ExeUser))
+        mode |= S_IXUSR;
+    if (permissions & QFileDevice::ReadGroup)
+        mode |= S_IRGRP;
+    if (permissions & QFileDevice::WriteGroup)
+        mode |= S_IWGRP;
+    if (permissions & QFileDevice::ExeGroup)
+        mode |= S_IXGRP;
+    if (permissions & QFileDevice::ReadOther)
+        mode |= S_IROTH;
+    if (permissions & QFileDevice::WriteOther)
+        mode |= S_IWOTH;
+    if (permissions & QFileDevice::ExeOther)
+        mode |= S_IXOTH;
+    return mode;
+}
+
+} // namespace QtPrivate
+#elif defined(Q_OS_WINDOWS)
+
+class QNativeFilePermissions
+{
+public:
+    QNativeFilePermissions(std::optional<QFileDevice::Permissions> perms, bool isDir);
+
+    SECURITY_ATTRIBUTES *securityAttributes();
+    bool isOk() const { return ok; }
+
+private:
+    bool ok = false;
+    bool isNull = true;
+
+    // At most 1 allow + 1 deny ACEs for user and group, 1 allow ACE for others
+    static constexpr auto MaxNumACEs = 5;
+
+    static constexpr auto MaxACLSize =
+            sizeof(ACL) + (sizeof(ACCESS_ALLOWED_ACE) + SECURITY_MAX_SID_SIZE) * MaxNumACEs;
+
+    SECURITY_ATTRIBUTES sa;
+#if QT_CONFIG(fslibs)
+    SECURITY_DESCRIPTOR sd;
+    alignas(DWORD) char aclStorage[MaxACLSize];
+#endif
+};
+
+#endif // Q_OS_UNIX
+
 QT_END_NAMESPACE
 
 #endif // QFILEDEVICE_P_H