using System;
|
|
using System.IO;
|
|
using System.Runtime.InteropServices;
|
|
using Microsoft.Win32.SafeHandles;
|
|
|
|
namespace IPA.Injector
|
|
{
|
|
// https://stackoverflow.com/a/48864902/3117125
|
|
internal static class WinConsole
|
|
{
|
|
public static void Initialize(bool alwaysCreateNewConsole = true)
|
|
{
|
|
bool consoleAttached = true;
|
|
if (alwaysCreateNewConsole
|
|
|| (AttachConsole(AttachParent) == 0
|
|
&& Marshal.GetLastWin32Error() != ErrorAccessDenied))
|
|
{
|
|
consoleAttached = AllocConsole() != 0;
|
|
}
|
|
|
|
if (consoleAttached)
|
|
{
|
|
InitializeStreams();
|
|
}
|
|
}
|
|
|
|
public static void InitializeStreams()
|
|
{
|
|
InitializeOutStream();
|
|
InitializeInStream();
|
|
}
|
|
|
|
private static void InitializeOutStream()
|
|
{
|
|
var fs = CreateFileStream("CONOUT$", GenericWrite, FileShareWrite, FileAccess.Write);
|
|
if (fs != null)
|
|
{
|
|
var writer = new StreamWriter(fs) { AutoFlush = true };
|
|
Console.SetOut(writer);
|
|
Console.SetError(writer);
|
|
}
|
|
}
|
|
|
|
private static void InitializeInStream()
|
|
{
|
|
var fs = CreateFileStream("CONIN$", GenericRead, FileShareRead, FileAccess.Read);
|
|
if (fs != null)
|
|
{
|
|
Console.SetIn(new StreamReader(fs));
|
|
}
|
|
}
|
|
|
|
private static FileStream CreateFileStream(string name, uint win32DesiredAccess, uint win32ShareMode,
|
|
FileAccess dotNetFileAccess)
|
|
{
|
|
var file = new SafeFileHandle(CreateFileW(name, win32DesiredAccess, win32ShareMode, IntPtr.Zero, OpenExisting, FileAttributeNormal, IntPtr.Zero), true);
|
|
if (!file.IsInvalid)
|
|
{
|
|
var fs = new FileStream(file, dotNetFileAccess);
|
|
return fs;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
#region Win API Functions and Constants
|
|
[DllImport("kernel32.dll",
|
|
EntryPoint = "AllocConsole",
|
|
SetLastError = true,
|
|
CharSet = CharSet.Auto,
|
|
CallingConvention = CallingConvention.StdCall)]
|
|
private static extern int AllocConsole();
|
|
|
|
[DllImport("kernel32.dll",
|
|
EntryPoint = "AttachConsole",
|
|
SetLastError = true,
|
|
CharSet = CharSet.Auto,
|
|
CallingConvention = CallingConvention.StdCall)]
|
|
private static extern uint AttachConsole(uint dwProcessId);
|
|
|
|
[DllImport("kernel32.dll",
|
|
EntryPoint = "CreateFileW",
|
|
SetLastError = true,
|
|
CharSet = CharSet.Unicode,
|
|
CallingConvention = CallingConvention.StdCall)]
|
|
private static extern IntPtr CreateFileW(
|
|
string lpFileName,
|
|
uint dwDesiredAccess,
|
|
uint dwShareMode,
|
|
IntPtr lpSecurityAttributes,
|
|
uint dwCreationDisposition,
|
|
uint dwFlagsAndAttributes,
|
|
IntPtr hTemplateFile
|
|
);
|
|
|
|
private const uint GenericWrite = 0x40000000;
|
|
private const uint GenericRead = 0x80000000;
|
|
private const uint FileShareRead = 0x00000001;
|
|
private const uint FileShareWrite = 0x00000002;
|
|
private const uint OpenExisting = 0x00000003;
|
|
private const uint FileAttributeNormal = 0x80;
|
|
private const uint ErrorAccessDenied = 5;
|
|
|
|
private const uint AttachParent = 0xFFFFFFFF;
|
|
|
|
#endregion
|
|
}
|
|
}
|