private void Reset()
{
RuntimeHelpers.PrepareConstrainedRegions();
try
{
}
finally
{
this.stateWasChanged = false;
this.initialState = false;
this.needToRevert = false;
if (this.tlsContents != null && this.tlsContents.DecrementReferenceCount() == 0)
{
this.tlsContents = (Privilege.TlsContents)null;
Thread.SetData(Privilege.tlsSlot, (object)null);
}
}
}
private void ToggleState(bool enable)
{
int num = 0;
if (!this.currentThread.Equals((object)Thread.CurrentThread))
{
throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_MustBeSameThread"));
}
if (this.needToRevert)
{
throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_MustRevertPrivilege"));
}
RuntimeHelpers.PrepareConstrainedRegions();
try
{
}
finally
{
try
{
this.tlsContents = Thread.GetData(Privilege.tlsSlot) as Privilege.TlsContents;
if (this.tlsContents == null)
{
this.tlsContents = new Privilege.TlsContents();
Thread.SetData(Privilege.tlsSlot, (object)this.tlsContents);
}
else
{
this.tlsContents.IncrementReferenceCount();
}
Win32Native.TOKEN_PRIVILEGE NewState = new Win32Native.TOKEN_PRIVILEGE();
NewState.PrivilegeCount = 1U;
NewState.Privilege.Luid = this.luid;
NewState.Privilege.Attributes = enable ? 2U : 0U;
Win32Native.TOKEN_PRIVILEGE PreviousState = new Win32Native.TOKEN_PRIVILEGE();
uint ReturnLength = 0;
if (!Win32Native.AdjustTokenPrivileges(this.tlsContents.ThreadHandle, false, ref NewState, (uint)Marshal.SizeOf <Win32Native.TOKEN_PRIVILEGE>(PreviousState), out PreviousState, out ReturnLength))
{
num = Marshal.GetLastWin32Error();
}
else if (1300 == Marshal.GetLastWin32Error())
{
num = 1300;
}
else
{
this.initialState = (PreviousState.Privilege.Attributes & 2U) > 0U;
this.stateWasChanged = this.initialState != enable;
this.needToRevert = this.tlsContents.IsImpersonating || this.stateWasChanged;
}
}
finally
{
if (!this.needToRevert)
{
this.Reset();
}
}
}
if (num == 1300)
{
throw new PrivilegeNotHeldException(Privilege.privileges[(object)this.luid] as string);
}
if (num == 8)
{
throw new OutOfMemoryException();
}
if (num == 5 || num == 1347)
{
throw new UnauthorizedAccessException();
}
if (num != 0)
{
throw new InvalidOperationException();
}
}
