Simple JAAS Snippet

README.md

Simple JAAS Snippet

Execute using the following commands:

javac *.java
java -Djava.security.auth.login.config=jaas.config Simple

jaas.config

Simple { com.sun.security.auth.module.UnixLoginModule required; };

Simple.java

import javax.security.auth.Subject;
import javax.security.auth.callback.Callback;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.login.LoginException;
import javax.security.auth.login.LoginContext;

public class Simple {
    public static void main (String[] args) {
        LoginContext lc = null;
        try {
            lc = new LoginContext("Simple", new CallbackHandler() {
                public void handle (Callback[] calbacks) {

                }
            });
            lc.login();
            Subject subject = lc.getSubject();
            System.out.println("Logged in as " + subject.toString());
        } catch (LoginException e) {
            System.out.println("Impossible identify the user: " + e.getLocalizedMessage());
        }
    }
}