SharpCall/Program.cs at master · getcode2git/SharpCall · GitHub

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// Author: Jack Halon (@jack_halon)

// Project: SharpCall (https://github.com/jhalon/SharpCall)

// License: BSD 3-Clause

using System;

using System.Runtime.InteropServices;

using static SharpCall.Native;

using static SharpCall.Syscalls;

namespace SharpCall

{

class Program

{

static void Main(string[] args)

{

Microsoft.Win32.SafeHandles.SafeFileHandle fileHandle;

UNICODE_STRING filename = new UNICODE_STRING();

RtlInitUnicodeString(ref filename, @"\??\C:\Users\User\Desktop\test.txt");

IntPtr objectName = Marshal.AllocHGlobal(Marshal.SizeOf(filename));

Marshal.StructureToPtr(filename, objectName, true);

OBJECT_ATTRIBUTES FileObjectAttributes = new OBJECT_ATTRIBUTES

{

Length = (int)Marshal.SizeOf(typeof(OBJECT_ATTRIBUTES)),

RootDirectory = IntPtr.Zero,

ObjectName = objectName,

Attributes = 0x00000040, // OBJ_CASE_INSENSITIVE

SecurityDescriptor = IntPtr.Zero,

SecurityQualityOfService = IntPtr.Zero

};

IO_STATUS_BLOCK IoStatusBlock = new IO_STATUS_BLOCK();

long allocationSize = 0;

var status = NTCreateFile(

out fileHandle,

FileAccess.FILE_GENERIC_WRITE,

ref FileObjectAttributes,

ref IoStatusBlock,

ref allocationSize,

FileAttributes.Normal,

FileShare.Write,

CreationDisposition.FILE_OVERWRITE_IF,

CreateOption.FILE_SYNCHRONOUS_IO_NONALERT,

IntPtr.Zero,

0);

}

SharpCall/Program.cs at master · getcode2git/SharpCall · GitHub

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