1 files changed, 92 insertions, 0 deletions
diff --git a/src/VBox/Runtime/r3/nt/RTFileSetMode-r3-nt.cpp b/src/VBox/Runtime/r3/nt/RTFileSetMode-r3-nt.cpp
new file mode 100644
index 00000000..2ec31d14
--- /dev/null
+++ b/src/VBox/Runtime/r3/nt/RTFileSetMode-r3-nt.cpp
@@ -0,0 +1,92 @@
+/* $Id: RTFileSetMode-r3-nt.cpp $ */
+/** @file
+ * IPRT - RTFileSetMode, Native NT.
+ */
+
+/*
+ * Copyright (C) 2006-2023 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+ * in the VirtualBox distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+ */
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#define LOG_GROUP RTLOGGROUP_FILE
+#include "internal-r3-nt.h"
+
+#include <iprt/file.h>
+#include <iprt/err.h>
+
+#include "internal/fs.h"
+
+
+/**
+ * Common worker for RTFileSetMode, RTPathSetMode and RTDirRelPathSetMode.
+ *
+ * @returns IPRT status code.
+ * @param   hNativeFile The NT handle to the file system object.
+ * @param   fMode       Valid and normalized file mode mask to set.
+ */
+DECLHIDDEN(int) rtNtFileSetModeWorker(HANDLE hNativeFile, RTFMODE fMode)
+{
+    IO_STATUS_BLOCK         Ios = RTNT_IO_STATUS_BLOCK_INITIALIZER;
+    FILE_BASIC_INFORMATION  BasicInfo;
+    BasicInfo.CreationTime.QuadPart   = 0;
+    BasicInfo.ChangeTime.QuadPart     = 0;
+    BasicInfo.LastAccessTime.QuadPart = 0;
+    BasicInfo.LastWriteTime.QuadPart  = 0;
+    BasicInfo.FileAttributes          = (fMode & ~(  RTFS_DOS_NT_ENCRYPTED
+                                                   | RTFS_DOS_NT_COMPRESSED
+                                                   | RTFS_DOS_NT_REPARSE_POINT
+                                                   | RTFS_DOS_NT_SPARSE_FILE
+                                                   | RTFS_DOS_NT_DEVICE
+                                                   | RTFS_DOS_DIRECTORY)
+                                               & RTFS_DOS_MASK_NT)
+                                      >> RTFS_DOS_SHIFT;
+    Assert(!(BasicInfo.FileAttributes & ~0x31a7U /* FILE_ATTRIBUTE_VALID_SET_FLAGS */));
+    if (!BasicInfo.FileAttributes)
+        BasicInfo.FileAttributes |= FILE_ATTRIBUTE_NORMAL;
+
+    NTSTATUS rcNt = NtSetInformationFile(hNativeFile, &Ios, &BasicInfo, sizeof(BasicInfo), FileBasicInformation);
+    if (NT_SUCCESS(rcNt))
+        return VINF_SUCCESS;
+    return RTErrConvertFromNtStatus(rcNt);
+}
+
+
+RTDECL(int) RTFileSetMode(RTFILE hFile, RTFMODE fMode)
+{
+    HANDLE hNative = (HANDLE)RTFileToNative(hFile);
+    AssertReturn(hNative != RTNT_INVALID_HANDLE_VALUE, VERR_INVALID_HANDLE);
+    fMode = rtFsModeNormalize(fMode, NULL, 0, RTFS_TYPE_FILE);
+    AssertReturn(rtFsModeIsValidPermissions(fMode), VERR_INVALID_FMODE);
+
+    return rtNtFileSetModeWorker(hNative, fMode);
+}