Name: gm110360 Date: 04/07/2004


FULL PRODUCT VERSION :
java version "1.4.2"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2-b28)
Java HotSpot(TM) Client VM (build 1.4.2-b28, mixed mode)

FULL OS VERSION :
Microsoft Windows 2000 [Version 5.00.2195]
aber auch Windows XP...

A DESCRIPTION OF THE PROBLEM :
When running our server as a Windows-Service with User "SYSTEM" (this is the Windows default user for running Services), JAAS NTLoginModule fails to get a login. The failure lies inside a native method of class "com.sun.security.auth.module.NTSystem" .

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Configure JAAS as provided (sourcecode)

Run the provided example program as a windows service (using the so called ServiceWrapper from http://wrapper.tanukisoftware.org).

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
UserName should be "SYSTEM".

ERROR MESSAGES/STACK TRACES THAT OCCUR :
java.lang.ArrayIndexOutOfBoundsException
at com.sun.security.auth.module.NTSystem.getCurrent(Native Method)
at com.sun.security.auth.module.NTSystem.<init>(Unknown Source)
at com.sun.security.auth.module.NTLoginModule.login(Unknown Source)
at com.deron.security.AuthenticatedUser.loginNTOnly(AuthenticatedUser.java:146)
at com.deron.security.AuthenticatedUser.login(AuthenticatedUser.java:134)
at com.deron.plugin.tools.LicenseUserInfo.actionPerformed(LicenseUserInfo.java:75)
at com.deron.plugin.tools.LicenseUserInfo.initialize(LicenseUserInfo.java:38)
at com.deron.plugin.PlugInManager.initializePlugIn(PlugInManager.java:232)
at com.deron.plugin.PlugInManager.loadPlugInClass(PlugInManager.java:148)
at com.deron.plugin.PlugInManager.initPlugInClasses(PlugInManager.java:105)
at com.deron.plugin.PlugInManager.initPlugInClasses(PlugInManager.java:115)
at com.deron.plugin.PlugInManager.initPlugInClasses(PlugInManager.java:115)
at com.deron.plugin.PlugInManager.initPlugInClasses(PlugInManager.java:115)
at com.deron.plugin.PlugInManager.initPlugInClasses(PlugInManager.java:115)
at com.deron.plugin.PlugInManager.init(PlugInManager.java:86)
at com.deron.te.HeadlessServer.initialize(HeadlessServer.java:157)
at com.deron.te.TopEaseCons.start(TopEaseCons.java:42)
at com.deron.te.TopEaseCons.main(TopEaseCons.java:24)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.tanukisoftware.wrapper.WrapperSimpleApp.run(WrapperSimpleApp.java:105)
at java.lang.Thread.run(Unknown Source)


REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
JAAS-Configuration contains:

NTLogin {
  com.sun.security.auth.module.NTLoginModule required debug=true;
};
-----------------------------------------------------------------

TestApp :

import javax.security.auth.login.LoginContext;
import javax.security.auth.Subject;
import com.sun.security.auth.callback.DialogCallbackHandler;
import com.sun.security.auth.NTUserPrincipal;
import java.security.Principal;

public class SYSTEM_UserTest {

  public static void main(String[] args) {
    LoginContext configuredLogin = null;
    Subject subject = new Subject();
    try {
      configuredLogin = new LoginContext("NTLogin", subject, new DialogCallbackHandler());
      configuredLogin.login();
    } catch (Exception ex) {
      ex.printStackTrace();
    }
    Object[] principals = subject.getPrincipals(NTUserPrincipal.class).toArray();
    if (principals.length > 0) {
      System.out.println("UserName: "+((Principal) principals[0]).getName());
    }
  }
}
---------- END SOURCE ----------
(Incident Review ID: 206670)
======================================================================
###@###.### 10/22/04 23:00 GMT