Adding upstream version 6.0.4-dfsg.upstream/6.0.4-dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

6 files changed, 594 insertions, 0 deletions

diff --git a/src/VBox/Runtime/nt/Makefile.kup b/src/VBox/Runtime/nt/Makefile.kup
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/src/VBox/Runtime/nt/Makefile.kup
diff --git a/src/VBox/Runtime/nt/NtProcessStartup-stub.cpp b/src/VBox/Runtime/nt/NtProcessStartup-stub.cpp
new file mode 100644
index 00000000..3032c420
--- /dev/null
+++ b/src/VBox/Runtime/nt/NtProcessStartup-stub.cpp
@@ -0,0 +1,40 @@
+/* $Id: NtProcessStartup-stub.cpp $ */
+/** @file
+ * IPRT - NtProcessStartup stub to make the link happy.
+ */
+
+/*
+ * Copyright (C) 2009-2019 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE 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.
+ */
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#include <iprt/asm.h>
+
+
+extern "C" void __cdecl NtProcessStartup(void *pvIgnored);
+extern "C" void __cdecl NtProcessStartup(void *pvIgnored)
+{
+    ASMBreakpoint();
+    NOREF(pvIgnored);
+}
+
diff --git a/src/VBox/Runtime/nt/RTErrConvertFromNtStatus.cpp b/src/VBox/Runtime/nt/RTErrConvertFromNtStatus.cpp
new file mode 100644
index 00000000..c844de08
--- /dev/null
+++ b/src/VBox/Runtime/nt/RTErrConvertFromNtStatus.cpp
@@ -0,0 +1,107 @@
+/* $Id: RTErrConvertFromNtStatus.cpp $ */
+/** @file
+ * IPRT - Convert NT status codes to iprt status codes.
+ */
+
+/*
+ * Copyright (C) 2006-2019 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE 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.
+ */
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#include <ntstatus.h>
+typedef long NTSTATUS;                  /** @todo figure out which headers to include to get this one typedef... */
+
+#include <iprt/err.h>
+#ifdef VBOX
+# include <VBox/err.h>
+#endif
+#include <iprt/log.h>
+#include <iprt/assert.h>
+
+
+
+RTDECL(int)  RTErrConvertFromNtStatus(long lNativeCode)
+{
+    switch (lNativeCode)
+    {
+        case STATUS_SUCCESS:                return VINF_SUCCESS;
+
+        case STATUS_ALERTED:                return VERR_INTERRUPTED;
+        case STATUS_USER_APC:               return VERR_INTERRUPTED;
+
+        case STATUS_INVALID_INFO_CLASS:     return VERR_INVALID_FUNCTION;
+        case STATUS_DATATYPE_MISALIGNMENT:  return VERR_INVALID_POINTER;
+        case STATUS_NO_MORE_FILES:          return VERR_NO_MORE_FILES;
+        case STATUS_NO_MORE_ENTRIES:        return VERR_NO_MORE_FILES;
+        case STATUS_NO_MEMORY:              return VERR_NO_MEMORY;
+
+        case STATUS_INVALID_HANDLE:         return VERR_INVALID_HANDLE;
+        case STATUS_INVALID_PARAMETER:      return VERR_INVALID_PARAMETER;
+        case STATUS_INVALID_PARAMETER_1:    return VERR_INVALID_PARAMETER;
+        case STATUS_INVALID_PARAMETER_2:    return VERR_INVALID_PARAMETER;
+        case STATUS_INVALID_PARAMETER_3:    return VERR_INVALID_PARAMETER;
+        case STATUS_INVALID_PARAMETER_4:    return VERR_INVALID_PARAMETER;
+        case STATUS_INVALID_PARAMETER_5:    return VERR_INVALID_PARAMETER;
+        case STATUS_INVALID_PARAMETER_6:    return VERR_INVALID_PARAMETER;
+        case STATUS_INVALID_PARAMETER_7:    return VERR_INVALID_PARAMETER;
+        case STATUS_INVALID_PARAMETER_8:    return VERR_INVALID_PARAMETER;
+        case STATUS_INVALID_PARAMETER_9:    return VERR_INVALID_PARAMETER;
+        case STATUS_INVALID_PARAMETER_10:   return VERR_INVALID_PARAMETER;
+        case STATUS_INVALID_PARAMETER_11:   return VERR_INVALID_PARAMETER;
+        case STATUS_INVALID_PARAMETER_12:   return VERR_INVALID_PARAMETER;
+        case STATUS_NO_SUCH_DEVICE:         return VERR_FILE_NOT_FOUND;
+        case STATUS_NO_SUCH_FILE:           return VERR_FILE_NOT_FOUND;
+        case STATUS_INVALID_DEVICE_REQUEST: return VERR_IO_BAD_COMMAND;
+        case STATUS_ACCESS_DENIED:          return VERR_ACCESS_DENIED;
+        case STATUS_OBJECT_TYPE_MISMATCH:   return VERR_UNEXPECTED_FS_OBJ_TYPE;
+        case STATUS_OBJECT_NAME_INVALID:    return VERR_INVALID_NAME;
+        case STATUS_OBJECT_NAME_NOT_FOUND:  return VERR_FILE_NOT_FOUND;
+        case STATUS_OBJECT_PATH_INVALID:    return VERR_INVALID_NAME;
+        case STATUS_OBJECT_PATH_NOT_FOUND:  return VERR_PATH_NOT_FOUND;
+        case STATUS_OBJECT_PATH_SYNTAX_BAD: return VERR_INVALID_NAME;
+        case STATUS_BAD_NETWORK_PATH:       return VERR_NET_PATH_NOT_FOUND;
+        case STATUS_NOT_A_DIRECTORY:        return VERR_NOT_A_DIRECTORY;
+        case STATUS_DIRECTORY_NOT_EMPTY:    return VERR_DIR_NOT_EMPTY;
+        case STATUS_SHARING_VIOLATION:      return VERR_SHARING_VIOLATION;
+        case STATUS_NO_MEDIA_IN_DEVICE:     return VERR_DRIVE_IS_EMPTY;
+
+        case STATUS_REPARSE_POINT_NOT_RESOLVED:
+                                            return VERR_TOO_MANY_SYMLINKS;
+        case STATUS_UNEXPECTED_NETWORK_ERROR:
+                                            return VERR_NET_IO_ERROR;
+        case STATUS_INVALID_IMAGE_HASH:     return VERR_LDR_IMAGE_HASH;
+#ifdef VBOX
+        case STATUS_TRUST_FAILURE:          return VERR_SUPLIB_NT_PROCESS_UNTRUSTED_5;
+#endif
+    }
+
+    /* unknown error. */
+#ifndef IN_SUP_HARDENED_R3
+    AssertLogRelMsgFailed(("Unhandled error %#lx (%lu)\n", lNativeCode, lNativeCode));
+#else
+    /* hardened main has no LogRel */
+    AssertMsgFailed(("Unhandled error %#lx (%lu)\n", lNativeCode, lNativeCode));
+#endif
+    return VERR_UNRESOLVED_ERROR;
+}
+
diff --git a/src/VBox/Runtime/nt/RTNtPathExpand8dot3Path.cpp b/src/VBox/Runtime/nt/RTNtPathExpand8dot3Path.cpp
new file mode 100644
index 00000000..0e865f4d
--- /dev/null
+++ b/src/VBox/Runtime/nt/RTNtPathExpand8dot3Path.cpp
@@ -0,0 +1,196 @@
+/* $Id: RTNtPathExpand8dot3Path.cpp $ */
+/** @file
+ * IPRT - Native NT, RTNtPathExpand8dot3Path.
+ */
+
+/*
+ * Copyright (C) 2006-2019 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE 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.
+ */
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#define LOG_GROUP RTLOGGROUP_FS
+#ifdef IN_SUP_HARDENED_R3
+# include <iprt/nt/nt-and-windows.h>
+#else
+# include <iprt/nt/nt.h>
+#endif
+
+#include <iprt/mem.h>
+#include <iprt/errcore.h>
+#include <iprt/string.h>
+
+
+
+/**
+ * Fixes up a path possibly containing one or more alternative 8-dot-3 style
+ * components.
+ *
+ * The path is fixed up in place.  Errors are ignored.
+ *
+ * @returns VINF_SUCCESS if it all went smoothly, informational status codes
+ *          indicating the nature of last problem we ran into.
+ *
+ * @param   pUniStr     The path to fix up. MaximumLength is the max buffer
+ *                      length.
+ * @param   fPathOnly   Whether to only process the path and leave the filename
+ *                      as passed in.
+ */
+RTDECL(int) RTNtPathExpand8dot3Path(PUNICODE_STRING pUniStr, bool fPathOnly)
+{
+    int rc = VINF_SUCCESS;
+
+    /*
+     * We could use FileNormalizedNameInformation here and slap the volume device
+     * path in front of the result, but it's only supported since windows 8.0
+     * according to some docs... So we expand all supicious names.
+     */
+    union fix8dot3tmp
+    {
+        FILE_BOTH_DIR_INFORMATION Info;
+        uint8_t abBuffer[sizeof(FILE_BOTH_DIR_INFORMATION) + 2048 * sizeof(WCHAR)];
+    } *puBuf = NULL;
+
+
+    PRTUTF16 pwszFix = pUniStr->Buffer;
+    while (*pwszFix)
+    {
+        pwszFix = RTNtPathFindPossible8dot3Name(pwszFix);
+        if (pwszFix == NULL)
+            break;
+
+        RTUTF16 wc;
+        PRTUTF16 pwszFixEnd = pwszFix;
+        while ((wc = *pwszFixEnd) != '\0' && wc != '\\' && wc != '/')
+            pwszFixEnd++;
+        if (wc == '\0' && fPathOnly)
+            break;
+
+        if (!puBuf)
+        {
+            puBuf = (union fix8dot3tmp *)RTMemAlloc(sizeof(*puBuf));
+            if (!puBuf)
+            {
+                rc = -VERR_NO_MEMORY;
+                break;
+            }
+        }
+
+        RTUTF16 const wcSaved = *pwszFix;
+        *pwszFix = '\0';                     /* paranoia. */
+
+        UNICODE_STRING      NtDir;
+        NtDir.Buffer = pUniStr->Buffer;
+        NtDir.Length = NtDir.MaximumLength = (USHORT)((pwszFix - pUniStr->Buffer) * sizeof(WCHAR));
+
+        HANDLE              hDir  = RTNT_INVALID_HANDLE_VALUE;
+        IO_STATUS_BLOCK     Ios   = RTNT_IO_STATUS_BLOCK_INITIALIZER;
+
+        OBJECT_ATTRIBUTES   ObjAttr;
+        InitializeObjectAttributes(&ObjAttr, &NtDir, OBJ_CASE_INSENSITIVE, NULL /*hRootDir*/, NULL /*pSecDesc*/);
+#ifdef IN_RING0
+        ObjAttr.Attributes |= OBJ_KERNEL_HANDLE;
+#endif
+
+        NTSTATUS rcNt = NtCreateFile(&hDir,
+                                     FILE_LIST_DIRECTORY | SYNCHRONIZE,
+                                     &ObjAttr,
+                                     &Ios,
+                                     NULL /* Allocation Size*/,
+                                     FILE_ATTRIBUTE_NORMAL,
+                                     FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
+                                     FILE_OPEN,
+                                     FILE_DIRECTORY_FILE | FILE_OPEN_FOR_BACKUP_INTENT | FILE_SYNCHRONOUS_IO_NONALERT,
+                                     NULL /*EaBuffer*/,
+                                     0 /*EaLength*/);
+        *pwszFix = wcSaved;
+        if (NT_SUCCESS(rcNt))
+        {
+            RT_ZERO(*puBuf);
+
+            IO_STATUS_BLOCK Ios = RTNT_IO_STATUS_BLOCK_INITIALIZER;
+            UNICODE_STRING  NtFilterStr;
+            NtFilterStr.Buffer = pwszFix;
+            NtFilterStr.Length = (USHORT)((uintptr_t)pwszFixEnd - (uintptr_t)pwszFix);
+            NtFilterStr.MaximumLength = NtFilterStr.Length;
+            rcNt = NtQueryDirectoryFile(hDir,
+                                        NULL /* Event */,
+                                        NULL /* ApcRoutine */,
+                                        NULL /* ApcContext */,
+                                        &Ios,
+                                        puBuf,
+                                        sizeof(*puBuf) - sizeof(WCHAR),
+                                        FileBothDirectoryInformation,
+                                        FALSE /*ReturnSingleEntry*/,
+                                        &NtFilterStr,
+                                        FALSE /*RestartScan */);
+            if (NT_SUCCESS(rcNt) && puBuf->Info.NextEntryOffset == 0) /* There shall only be one entry matching... */
+            {
+                uint32_t offName = puBuf->Info.FileNameLength / sizeof(WCHAR);
+                while (offName > 0  && puBuf->Info.FileName[offName - 1] != '\\' && puBuf->Info.FileName[offName - 1] != '/')
+                    offName--;
+                uint32_t cwcNameNew = (puBuf->Info.FileNameLength / sizeof(WCHAR)) - offName;
+                uint32_t cwcNameOld = (uint32_t)(pwszFixEnd - pwszFix);
+
+                if (cwcNameOld == cwcNameNew)
+                    memcpy(pwszFix, &puBuf->Info.FileName[offName], cwcNameNew * sizeof(WCHAR));
+                else if (   pUniStr->Length + cwcNameNew * sizeof(WCHAR) - cwcNameOld * sizeof(WCHAR) + sizeof(WCHAR)
+                         <= pUniStr->MaximumLength)
+                {
+                    size_t cwcLeft = pUniStr->Length - (pwszFixEnd - pUniStr->Buffer) * sizeof(WCHAR) + sizeof(WCHAR);
+                    memmove(&pwszFix[cwcNameNew], pwszFixEnd, cwcLeft * sizeof(WCHAR));
+                    pUniStr->Length -= (USHORT)(cwcNameOld * sizeof(WCHAR));
+                    pUniStr->Length += (USHORT)(cwcNameNew * sizeof(WCHAR));
+                    pwszFixEnd      -= cwcNameOld;
+                    pwszFixEnd      += cwcNameNew;
+                    memcpy(pwszFix, &puBuf->Info.FileName[offName], cwcNameNew * sizeof(WCHAR));
+                }
+                else
+                    rc = VINF_BUFFER_OVERFLOW;
+            }
+            else if (NT_SUCCESS(rcNt))
+                rc = -VERR_DUPLICATE;
+            else
+            {
+                rc = -RTErrConvertFromNtStatus(rcNt);
+                if (rc < 0)
+                    rc = -rc;
+            }
+
+            NtClose(hDir);
+        }
+        else
+            rc = -RTErrConvertFromNtStatus(rcNt);
+
+        /* Advance */
+        pwszFix = pwszFixEnd;
+    }
+
+    if (puBuf)
+        RTMemFree(puBuf);
+
+    if (pUniStr->Length < pUniStr->MaximumLength)
+        pUniStr->Buffer[pUniStr->Length / sizeof(WCHAR)] = '\0';
+
+    return rc;
+}
+
diff --git a/src/VBox/Runtime/nt/RTNtPathFindPossible8dot3Name.cpp b/src/VBox/Runtime/nt/RTNtPathFindPossible8dot3Name.cpp
new file mode 100644
index 00000000..9f915c90
--- /dev/null
+++ b/src/VBox/Runtime/nt/RTNtPathFindPossible8dot3Name.cpp
@@ -0,0 +1,72 @@
+/* $Id: RTNtPathFindPossible8dot3Name.cpp $ */
+/** @file
+ * IPRT - Native NT, RTNtPathFindPossible8dot3Name.
+ */
+
+/*
+ * Copyright (C) 2006-2019 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE 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.
+ */
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#define LOG_GROUP RTLOGGROUP_FS
+#ifdef IN_SUP_HARDENED_R3
+# include <iprt/nt/nt-and-windows.h>
+#else
+# include <iprt/nt/nt.h>
+#endif
+
+
+
+/**
+ * Checks whether the path could be containing alternative 8.3 names generated
+ * by NTFS, FAT, or other similar file systems.
+ *
+ * @returns Pointer to the first component that might be an 8.3 name, NULL if
+ *          not 8.3 path.
+ * @param   pwszPath        The path to check.
+ *
+ * @remarks This is making bad ASSUMPTION wrt to the naming scheme of 8.3 names,
+ *          however, non-tilde 8.3 aliases are probably rare enough to not be
+ *          worth all the extra code necessary to open each path component and
+ *          check if we've got the short name or not.
+ */
+RTDECL(PRTUTF16) RTNtPathFindPossible8dot3Name(PCRTUTF16 pwszPath)
+{
+    PCRTUTF16 pwszName = pwszPath;
+    for (;;)
+    {
+        RTUTF16 wc = *pwszPath++;
+        if (wc == '~')
+        {
+            /* Could check more here before jumping to conclusions... */
+            if (pwszPath - pwszName <= 8+1+3)
+                return (PRTUTF16)pwszName;
+        }
+        else if (wc == '\\' || wc == '/' || wc == ':')
+            pwszName = pwszPath;
+        else if (wc == 0)
+            break;
+    }
+    return NULL;
+}
+
diff --git a/src/VBox/Runtime/nt/fileioutils-nt.cpp b/src/VBox/Runtime/nt/fileioutils-nt.cpp
new file mode 100644
index 00000000..43eb395f
--- /dev/null
+++ b/src/VBox/Runtime/nt/fileioutils-nt.cpp
@@ -0,0 +1,179 @@
+/* $Id: fileioutils-nt.cpp $ */
+/** @file
+ * IPRT - File I/O, common NT helpers.
+ */
+
+/*
+ * Copyright (C) 2006-2019 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE 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.
+ */
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#include <iprt/nt/nt.h>
+#include "internal/iprt.h"
+
+#include <iprt/errcore.h>
+#include "internal/file.h"
+
+
+
+/**
+ * Helper for converting RTFILE_O_XXX to the various NtCreateFile flags.
+ *
+ * @returns IPRT status code
+ * @param   fOpen               The RTFILE_O_XXX flags to convert.
+ * @param   pfDesiredAccess     Where to return the desired access mask.
+ * @param   pfObjAttribs        Where to return the NT object attributes.
+ * @param   pfFileAttribs       Where to return the file attributes (create).
+ * @param   pfShareAccess       Where to return the file sharing access mask.
+ * @param   pfCreateDisposition Where to return the file create disposition.
+ * @param   pfCreateOptions     Where to return the file open/create options.
+ */
+DECLHIDDEN(int) rtFileNtValidateAndConvertFlags(uint64_t fOpen, uint32_t *pfDesiredAccess, uint32_t *pfObjAttribs,
+                                                uint32_t *pfFileAttribs, uint32_t *pfShareAccess, uint32_t *pfCreateDisposition,
+                                                uint32_t *pfCreateOptions)
+{
+    /*
+     * Merge forced open flags and validate them.
+     */
+    int rc = rtFileRecalcAndValidateFlags(&fOpen);
+    if (RT_FAILURE(rc))
+        return rc;
+
+    /*
+     * Determine disposition, access, share mode, creation flags, and security attributes
+     * for the CreateFile API call.
+     */
+    ULONG fCreateDisposition;
+    switch (fOpen & RTFILE_O_ACTION_MASK)
+    {
+        case RTFILE_O_OPEN:
+            fCreateDisposition = fOpen & RTFILE_O_TRUNCATE ? FILE_OVERWRITE : FILE_OPEN;
+            break;
+        case RTFILE_O_OPEN_CREATE:
+            fCreateDisposition = FILE_OPEN_IF;
+            break;
+        case RTFILE_O_CREATE:
+            fCreateDisposition = FILE_CREATE;
+            break;
+        case RTFILE_O_CREATE_REPLACE:
+            fCreateDisposition = FILE_SUPERSEDE;
+            break;
+        default:
+            AssertMsgFailed(("Impossible fOpen=%#llx\n", fOpen));
+            return VERR_INVALID_PARAMETER;
+    }
+
+    ACCESS_MASK fDesiredAccess;
+    switch (fOpen & RTFILE_O_ACCESS_MASK)
+    {
+        case RTFILE_O_READ:
+            fDesiredAccess = FILE_GENERIC_READ; /* RTFILE_O_APPEND is ignored. */
+            break;
+        case RTFILE_O_WRITE:
+            fDesiredAccess = fOpen & RTFILE_O_APPEND
+                           ? FILE_GENERIC_WRITE & ~FILE_WRITE_DATA
+                           : FILE_GENERIC_WRITE;
+            break;
+        case RTFILE_O_READWRITE:
+            fDesiredAccess = fOpen & RTFILE_O_APPEND
+                           ? FILE_GENERIC_READ | (FILE_GENERIC_WRITE & ~FILE_WRITE_DATA)
+                           : FILE_GENERIC_READ | FILE_GENERIC_WRITE;
+            break;
+        case RTFILE_O_ATTR_ONLY:
+            if (fOpen & RTFILE_O_ACCESS_ATTR_MASK)
+            {
+                fDesiredAccess = 0;
+                break;
+            }
+            RT_FALL_THRU();
+        default:
+            AssertMsgFailed(("Impossible fOpen=%#llx\n", fOpen));
+            return VERR_INVALID_PARAMETER;
+    }
+    if (fCreateDisposition == FILE_OVERWRITE)
+        /* Required for truncating the file (see MSDN), it is *NOT* part of FILE_GENERIC_WRITE. */
+        fDesiredAccess |= GENERIC_WRITE;
+
+    /* RTFileSetMode needs following rights as well. */
+    switch (fOpen & RTFILE_O_ACCESS_ATTR_MASK)
+    {
+        case RTFILE_O_ACCESS_ATTR_READ:      fDesiredAccess |= FILE_READ_ATTRIBUTES  | SYNCHRONIZE; break;
+        case RTFILE_O_ACCESS_ATTR_WRITE:     fDesiredAccess |= FILE_WRITE_ATTRIBUTES | SYNCHRONIZE; break;
+        case RTFILE_O_ACCESS_ATTR_READWRITE: fDesiredAccess |= FILE_READ_ATTRIBUTES | FILE_WRITE_ATTRIBUTES | SYNCHRONIZE; break;
+        default:
+            /* Attributes access is the same as the file access. */
+            switch (fOpen & RTFILE_O_ACCESS_MASK)
+            {
+                case RTFILE_O_READ:          fDesiredAccess |= FILE_READ_ATTRIBUTES  | SYNCHRONIZE; break;
+                case RTFILE_O_WRITE:         fDesiredAccess |= FILE_WRITE_ATTRIBUTES | SYNCHRONIZE; break;
+                case RTFILE_O_READWRITE:     fDesiredAccess |= FILE_READ_ATTRIBUTES | FILE_WRITE_ATTRIBUTES | SYNCHRONIZE; break;
+                default:
+                    AssertMsgFailed(("Impossible fOpen=%#llx\n", fOpen));
+                    return VERR_INVALID_PARAMETER;
+            }
+    }
+
+    ULONG fShareAccess;
+    switch (fOpen & RTFILE_O_DENY_MASK)
+    {
+        case RTFILE_O_DENY_NONE:                                fShareAccess = FILE_SHARE_READ | FILE_SHARE_WRITE; break;
+        case RTFILE_O_DENY_READ:                                fShareAccess = FILE_SHARE_WRITE; break;
+        case RTFILE_O_DENY_WRITE:                               fShareAccess = FILE_SHARE_READ; break;
+        case RTFILE_O_DENY_READWRITE:                           fShareAccess = 0; break;
+
+        case RTFILE_O_DENY_NOT_DELETE:                          fShareAccess = FILE_SHARE_DELETE | FILE_SHARE_READ | FILE_SHARE_WRITE; break;
+        case RTFILE_O_DENY_NOT_DELETE | RTFILE_O_DENY_READ:     fShareAccess = FILE_SHARE_DELETE | FILE_SHARE_WRITE; break;
+        case RTFILE_O_DENY_NOT_DELETE | RTFILE_O_DENY_WRITE:    fShareAccess = FILE_SHARE_DELETE | FILE_SHARE_READ; break;
+        case RTFILE_O_DENY_NOT_DELETE | RTFILE_O_DENY_READWRITE:fShareAccess = FILE_SHARE_DELETE; break;
+        default:
+            AssertMsgFailed(("Impossible fOpen=%#llx\n", fOpen));
+            return VERR_INVALID_PARAMETER;
+    }
+
+    ULONG fObjAttribs = 0;
+    if (fOpen & RTFILE_O_INHERIT)
+        fObjAttribs = OBJ_INHERIT;
+
+    ULONG fCreateOptions = FILE_NON_DIRECTORY_FILE;
+    if (fOpen & RTFILE_O_WRITE_THROUGH)
+        fCreateOptions |= FILE_WRITE_THROUGH;
+    if (!(fOpen & RTFILE_O_ASYNC_IO))
+        fCreateOptions |= FILE_SYNCHRONOUS_IO_NONALERT;
+    if (fOpen & RTFILE_O_NO_CACHE)
+    {
+        fCreateOptions |= FILE_NO_INTERMEDIATE_BUFFERING;
+        fDesiredAccess &= ~FILE_APPEND_DATA;
+    }
+
+    /*
+     * Done.
+     */
+    *pfDesiredAccess        = fDesiredAccess;
+    *pfObjAttribs           = fObjAttribs;
+    *pfFileAttribs          = FILE_ATTRIBUTE_NORMAL;
+    *pfShareAccess          = fShareAccess;
+    *pfCreateDisposition    = fCreateDisposition;
+    *pfCreateOptions        = fCreateOptions;
+    return VINF_SUCCESS;
+}
+