public void Dispose(bool disposing)
{
RevertToSelf();
IntPtr secCtx = SafeNativeMethods.CoSwitchCallContext(oldSecurityObject);
if (IntPtr.Zero == secCtx)
{
// this has to be a failfast since not having a security context can compromise security
DiagnosticUtility.FailFast("Security Context was should not be null");
}
if (Marshal.GetObjectForIUnknown(secCtx) != this)
{
// this has to be a failfast since being in the wrong security context can compromise security
DiagnosticUtility.FailFast("Security Context was modified from underneath us");
}
Marshal.Release(secCtx);
if (disposing)
{
clientIdentity = null;
if (impersonateContext != null)
{
impersonateContext.Dispose();
}
}
}
public ComPlusServerSecurity(WindowsIdentity clientIdentity, bool shouldUseCallContext)
{
if (null == clientIdentity)
{
throw Fx.AssertAndThrow("NULL Identity");
}
if (IntPtr.Zero == clientIdentity.Token)
{
throw Fx.AssertAndThrow("Token handle cannot be zero");
}
this.shouldUseCallContext = shouldUseCallContext;
this.clientIdentity = clientIdentity;
IntPtr secCtx = Marshal.GetIUnknownForObject(this);
try
{
oldSecurityObject = SafeNativeMethods.CoSwitchCallContext(secCtx);
}
catch
{
Marshal.Release(secCtx);
throw;
}
}
public void Dispose(bool disposing)
{
this.RevertToSelf();
IntPtr pUnk = SafeNativeMethods.CoSwitchCallContext(this.oldSecurityObject);
if (IntPtr.Zero == pUnk)
{
DiagnosticUtility.FailFast("Security Context was should not be null");
}
if (Marshal.GetObjectForIUnknown(pUnk) != this)
{
DiagnosticUtility.FailFast("Security Context was modified from underneath us");
}
Marshal.Release(pUnk);
if (disposing)
{
this.clientIdentity = null;
if (this.impersonateContext != null)
{
this.impersonateContext.Dispose();
}
}
}