MegaBites-AI/Windows-powershell

1// Copyright (c) Microsoft Corporation.2// Licensed under the MIT License.3 4#nullable enable5 6using System;7using System.IO;8using System.Management.Automation;9using System.Runtime.InteropServices;10 11using Microsoft.Win32.SafeHandles;12 13internal static partial class Interop14{15    internal static unsafe partial class Windows16    {17        // dwDesiredAccess of CreateFile18        [Flags]19        internal enum FileDesiredAccess : uint20        {21            GenericZero = 0,22            GenericRead = 0x80000000,23            GenericWrite = 0x40000000,24            GenericExecute = 0x20000000,25            GenericAll = 0x10000000,26        }27 28        // dwFlagsAndAttributes29        [Flags]30        internal enum FileAttributes : uint31        {32            Readonly = 0x00000001,33            Hidden = 0x00000002,34            System = 0x00000004,35            Archive = 0x00000020,36            Encrypted = 0x00004000,37            Write_Through = 0x80000000,38            Overlapped = 0x40000000,39            NoBuffering = 0x20000000,40            RandomAccess = 0x10000000,41            SequentialScan = 0x08000000,42            DeleteOnClose = 0x04000000,43            BackupSemantics = 0x02000000,44            PosixSemantics = 0x01000000,45            OpenReparsePoint = 0x00200000,46            OpenNoRecall = 0x00100000,47            SessionAware = 0x00800000,48            Normal = 0x0000008049        }50 51        // WARNING: This method does not implicitly handle long paths. Use CreateFile.52        [LibraryImport("api-ms-win-core-file-l1-1-0.dll", EntryPoint = "CreateFileW", SetLastError = true, StringMarshalling = StringMarshalling.Utf16)]53        private static unsafe partial SafeFileHandle CreateFilePrivate(54            string lpFileName,55            uint dwDesiredAccess,56            FileShare dwShareMode,57            nint lpSecurityAttributes,58            FileMode dwCreationDisposition,59            FileAttributes dwFlagsAndAttributes,60            IntPtr hTemplateFile);61 62        [LibraryImport("api-ms-win-core-file-l1-1-0.dll", EntryPoint = "CreateFileW", SetLastError = true, StringMarshalling = StringMarshalling.Utf16)]63        private static unsafe partial nint CreateFileWithPipeHandlePrivate(64            string lpFileName,65            uint dwDesiredAccess,66            FileShare dwShareMode,67            nint lpSecurityAttributes,68            FileMode dwCreationDisposition,69            FileAttributes dwFlagsAndAttributes,70            IntPtr hTemplateFile);71 72        internal static unsafe SafeFileHandle CreateFileWithSafeFileHandle(73            string lpFileName,74            FileAccess dwDesiredAccess,75            FileShare dwShareMode,76            FileMode dwCreationDisposition,77            FileAttributes dwFlagsAndAttributes)78        {79            lpFileName = Path.TrimEndingDirectorySeparator(lpFileName);80            lpFileName = PathUtils.EnsureExtendedPrefixIfNeeded(lpFileName);81 82            return CreateFilePrivate(lpFileName, (uint)dwDesiredAccess, dwShareMode, nint.Zero, dwCreationDisposition, dwFlagsAndAttributes, nint.Zero);83        }84 85        internal static unsafe nint CreateFileWithPipeHandle(86            string lpFileName,87            FileAccess dwDesiredAccess,88            FileShare dwShareMode,89            FileMode dwCreationDisposition,90            FileAttributes dwFlagsAndAttributes)91        {92            return CreateFileWithPipeHandlePrivate(lpFileName, (uint)dwDesiredAccess, dwShareMode, nint.Zero, dwCreationDisposition, dwFlagsAndAttributes, nint.Zero);93        }94    }95}96