MalwareSourceCode/MSIL/Virus/Win32/E/Virus.Win32.Expiro.w-69bb73081eac86b8cf86f45e33515d0095855636967076e2b593d7a30cd80a07/Microsoft/InfoCards/SystemIdentity.cs

// Decompiled with JetBrains decompiler
// Type: Microsoft.InfoCards.SystemIdentity
// Assembly: infocard, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
// MVID: 516D8B44-4448-4D2C-8B8E-FFBB3FFE472B
// Assembly location: C:\Users\Administrateur\Downloads\Virusshare-00000-msil\Virus.Win32.Expiro.w-69bb73081eac86b8cf86f45e33515d0095855636967076e2b593d7a30cd80a07.exe

using Microsoft.InfoCards.Diagnostics;
using System;
using System.Globalization;
using System.Runtime.InteropServices;
using System.Security.Principal;

namespace Microsoft.InfoCards
{
  internal sealed class SystemIdentity : IDisposable
  {
    private bool m_isDisposed;
    private WindowsIdentity m_identity;
    private object m_sync;
    public static readonly IdentityReference LsaIdentityReference = (IdentityReference) new SecurityIdentifier("SY");

    public SystemIdentity(bool throwIfAlreadySystem)
    {
      this.m_sync = new object();
      WindowsIdentity current = WindowsIdentity.GetCurrent();
      if (current.IsSystem && throwIfAlreadySystem)
        throw InfoCardTrace.ThrowHelperError((Exception) new InvalidOperationException(SR.GetString("UserIdentityEqualSystemNotSupported")));
      if (!current.IsSystem)
      {
        this.m_identity = current;
        if (NativeMethods.RevertToSelf())
          return;
        InfoCardTrace.Assert(false, "Identity management failure");
      }
      else
        InfoCardTrace.Assert(null == this.m_identity, "m_identity should be null when we are system and throwIfAlreadySystem == false");
    }

    void IDisposable.Dispose()
    {
      if (this.m_isDisposed)
        return;
      lock (this.m_sync)
      {
        if (this.m_isDisposed)
          return;
        this.m_isDisposed = true;
        if (this.m_identity == null)
          return;
        if (!NativeMethods.ImpersonateLoggedOnUser(this.m_identity.Token))
        {
          int forLastWin32Error = Marshal.GetHRForLastWin32Error();
          InfoCardTrace.FailFast(string.Format((IFormatProvider) CultureInfo.InvariantCulture, SR.GetString("StoreImpersonateLoggedOnUserFailed"), new object[1]
          {
            (object) forLastWin32Error
          }));
        }
        this.m_identity.Dispose();
      }
    }
  }
}