Friday, Mar 6th, 2015
Gist to get NTFS Extended Attributes in C#
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[StructLayout(LayoutKind.Sequential, Pack = 0)] | |
public struct IO_STATUS_BLOCK | |
{ | |
public uint status; | |
public IntPtr information; | |
} | |
[DllImport("ntdll.dll", ExactSpelling = true)] | |
public static extern uint NtQueryEaFile( | |
SafeFileHandle handle, | |
out IO_STATUS_BLOCK ioStatus, | |
IntPtr buffer, | |
uint length, | |
bool retSingleEntry, | |
IntPtr eaList, | |
uint eaListLength, | |
IntPtr eaIndex, | |
bool restartScan | |
); | |
void GetEa() | |
{ | |
SafeFileHandle sfh = CreateFile("C:\\Toolz\\temp.txt", 8, FileShare.ReadWrite, IntPtr.Zero, FileMode.Open, 0x02000000, IntPtr.Zero); | |
IntPtr peaGet = Marshal.AllocHGlobal(1024*1024); | |
//Marshal.Copy(testArr, 0, peaGet, testArr.Length); | |
uint status = Ntfs.NtQueryEaFile(sfh, out ioStatusBlock, peaGet, 1024 * 1024, false, IntPtr.Zero, 0, IntPtr.Zero, true); | |
status = (uint)Marshal.GetLastWin32Error(); | |
if (status != NT_SUCCESS) | |
{ | |
ExitWithError(0); | |
} | |
} |