static void ProtectionSafeMemoryCopy(IntPtr dest, IntPtr source, int count)
{
// UIntPtr = size_t
var bufferSize = new UIntPtr((uint)count);
Enums.VirtualProtectionType oldProtection, temp;
// unprotect memory to copy buffer
if (!NativeImport.VirtualProtect(dest, bufferSize, Enums.VirtualProtectionType.ExecuteReadWrite, out oldProtection))
{
throw new Exception("Failed to unprotect memory.");
}
byte *pDest = (byte *)dest;
byte *pSrc = (byte *)source;
// copy buffer to address
for (int i = 0; i < count; i++)
{
*(pDest + i) = *(pSrc + i);
}
// protect back
if (!NativeImport.VirtualProtect(dest, bufferSize, oldProtection, out temp))
{
throw new Exception("Failed to protect memory.");
}
}
/// <summary>
/// Allocates a console instance to the running process
/// </summary>
internal static void CreateLoggerInstance()
{
NativeImport.AllocConsole();
var outFile = NativeImport.CreateFile("CONOUT$", NativeImport.ConsolePropertyModifiers.GENERIC_WRITE
| NativeImport.ConsolePropertyModifiers.GENERIC_READ,
NativeImport.ConsolePropertyModifiers.FILE_SHARE_WRITE,
0, NativeImport.ConsolePropertyModifiers.OPEN_EXISTING, /*FILE_ATTRIBUTE_NORMAL*/ 0, 0);
var safeHandle = new SafeFileHandle(outFile, true);
NativeImport.SetStdHandle(-11, outFile);
FileStream fs = new FileStream(safeHandle, FileAccess.Write);
StreamWriter writer = new StreamWriter(fs)
{
AutoFlush = true
};
Console.SetOut(writer);
if (NativeImport.GetConsoleMode(outFile, out var cMode))
{
NativeImport.SetConsoleMode(outFile, cMode | 0x0200);
}
Console.Title = $"Log Window - {Assembly.GetExecutingAssembly().GetName().Name}";
}
