Re: javax.security.auth.subject disappears

[Jeanfrancois Arcand]

Janne V��n�nen wrote:

I resolved this. The problem was in SecurityUtil.java execute method.
fixed code in execute method:
...
if (subject == null){
subject = new Subject();

//I added following two lines
if (principal != null)
subject.getPrincipals().add(principal);

OK I will take a look and port your fix.

Thanks

-- Jeanfrancois

session.setAttribute(Globals.SUBJECT_ATTR, subject);
}
...

-----Original Message-----
From: Janne V��n�nen Sent: 17. toukokuuta 2004 12:12
To: [EMAIL PROTECTED]
Subject: javax.security.auth.subject disappears
Filter detected spam

Hi,

I'm running tomcat 5 with -security option and I'm using JAAS login module.
In the jsp pages in first request after I have identified my self Subject is null.
When I hit refresh (second request) Subject is correct subject with principals etc.
But after that in all requests Subject is empty, no principals etc.

I use follwing code to get Subject:
AccessControlContext acc = AccessController.getContext();
Subject sub = Subject.getSubject(acc);

I checked tomcat src code that it uses javax.security.auth.subject attribute to store 
Subject in session.
CoyoteRequest.java

   public void setUserPrincipal(Principal principal) {

if (System.getSecurityManager() != null){
HttpSession session = getSession(false);
if ( (subject != null) && (!subject.getPrincipals().contains(principal)) ){
subject.getPrincipals().add(principal); } else if (session != null &&
session.getAttribute(Globals.SUBJECT_ATTR) == null) {
subject = new Subject();
subject.getPrincipals().add(principal); }
if (session != null){
session.setAttribute(Globals.SUBJECT_ATTR, subject);
}
}

       this.userPrincipal = principal;
   }

I guess that session.getAttribute(Globals.SUBJECT_ATTR) is somehow null after second 
request..
Any ideas what is causing this and how can I fix it?

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