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provide custom marshaller for USER_INFO_1 #82350

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merged 3 commits into from
Mar 9, 2023
Merged

provide custom marshaller for USER_INFO_1 #82350

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2802384
provide custom marshaller for USER_INFO_1
pedrobsaila Feb 18, 2023
0c6e525
use sequential layout because of IntPtr
pedrobsaila Feb 22, 2023
5b85613
fix remark about Marshaller class name
pedrobsaila Feb 23, 2023
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69 changes: 67 additions & 2 deletions src/libraries/Common/tests/TestUtilities/System/WindowsIdentityFixture.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,9 @@
using System.Linq;
using System.Net;
using System.Runtime.InteropServices;
#if NET7_0_OR_GREATER
using System.Runtime.InteropServices.Marshalling;
#endif
using System.Security.Cryptography;
using System.Security.Principal;
using System.Threading.Tasks;
Expand Down Expand Up @@ -118,12 +121,15 @@ private void CreateUser()
[return: MarshalAs(UnmanagedType.Bool)]
private static partial bool LogonUser(string userName, string domain, string password, int logonType, int logonProvider, out SafeAccessTokenHandle safeAccessTokenHandle);

[DllImport("netapi32.dll", SetLastError = true)]
internal static extern uint NetUserAdd([MarshalAs(UnmanagedType.LPWStr)] string servername, uint level, ref USER_INFO_1 buf, out uint parm_err);
[LibraryImport("netapi32.dll", SetLastError = true)]
internal static partial uint NetUserAdd([MarshalAs(UnmanagedType.LPWStr)] string servername, uint level, ref USER_INFO_1 buf, out uint parm_err);

[LibraryImport("netapi32.dll")]
internal static partial uint NetUserDel([MarshalAs(UnmanagedType.LPWStr)] string servername, [MarshalAs(UnmanagedType.LPWStr)] string username);

#if NET7_0_OR_GREATER
[NativeMarshalling(typeof(USER_INFO_1.Marshaller))]
#endif
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
internal struct USER_INFO_1
{
Expand All @@ -135,6 +141,65 @@ internal struct USER_INFO_1
public string usri1_comment;
public uint usri1_flags;
public string usri1_script_path;

#if NET7_0_OR_GREATER
[CustomMarshaller(typeof(USER_INFO_1), MarshalMode.Default, typeof(Marshaller))]
public static class Marshaller
{
public static USER_INFO_1Native ConvertToUnmanaged(USER_INFO_1 managed) => new(managed);
public static USER_INFO_1 ConvertToManaged(USER_INFO_1Native native) => native.ToManaged();
public static void Free(USER_INFO_1Native native) => native.FreeNative();

[StructLayout(LayoutKind.Sequential)]
public struct USER_INFO_1Native
{
private IntPtr usri1_name;
private IntPtr usri1_password;
private uint usri1_password_age;
private uint usri1_priv;
private IntPtr usri1_home_dir;
private IntPtr usri1_comment;
private uint usri1_flags;
private IntPtr usri1_script_path;

public USER_INFO_1Native(USER_INFO_1 managed)
{
usri1_name = Marshal.StringToCoTaskMemUni(managed.usri1_name);
usri1_password = Marshal.StringToCoTaskMemUni(managed.usri1_password);
usri1_password_age = managed.usri1_password_age;
usri1_priv = managed.usri1_priv;
usri1_home_dir = Marshal.StringToCoTaskMemUni(managed.usri1_home_dir);
usri1_comment = Marshal.StringToCoTaskMemUni(managed.usri1_comment);
usri1_flags = managed.usri1_flags;
usri1_script_path = Marshal.StringToCoTaskMemUni(managed.usri1_script_path);
}

public USER_INFO_1 ToManaged()
{
return new USER_INFO_1
{
usri1_name = Marshal.PtrToStringUni(usri1_name),
usri1_password = Marshal.PtrToStringUni(usri1_password),
usri1_password_age = usri1_password_age,
usri1_priv = usri1_priv,
usri1_home_dir = Marshal.PtrToStringUni(usri1_home_dir),
usri1_comment = Marshal.PtrToStringUni(usri1_comment),
usri1_flags = usri1_flags,
usri1_script_path = Marshal.PtrToStringUni(usri1_script_path)
};
}

public void FreeNative()
{
Marshal.FreeCoTaskMem(usri1_name);
Marshal.FreeCoTaskMem(usri1_password);
Marshal.FreeCoTaskMem(usri1_home_dir);
Marshal.FreeCoTaskMem(usri1_comment);
Marshal.FreeCoTaskMem(usri1_script_path);
}
}
}
#endif
}

public void Dispose()
Expand Down