Capturing client IP address

[kanth_seenu]

How do I capture the IP of the client which is attempting to login? I browsed some resources on net and found JBAS 1486.

But its not clear about how to do the configuration. I am using JAVA client to connect to my JBOSS server, during the login process I would like to print the client IP in log file.

I thought it must be simple to get the info in login() method of my custom implementation of UsernamePasswordLoginModule class, but it does not seem so.

JBOSS Version: 4.0.5.GA

Any help would be appreciated

P.S> I also refferred http://www.javaworld.com/javaworld/jw-09-2002/jw-0913-jaas.html?page=4 where they are speaking about HttpServletRequest. Which I think wont help me in this scenario

[kanth_seenu]

Still searching for a answer. Am I doing anything terribly wrong????

[ragavgomatam]

One answer would be writing a Tomcat Valve that intercepts every HttpRequest before it make it to the container. This valve would intercept the request before your login module. I have given an example implementation. Package this in tomcat.sar , & check out how to configure this in jboss & you are set to go. Should not be too difficult

package test.tomcat;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.StringTokenizer;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;

import org.apache.catalina.*;

/**
 * The Tomcat valve that transfers credentials into a Principal object,
 * to provide seamless integration between Jaas and the J2EE security model.
 */

public class MyValve implements Valve {

 public String getInfo() {
 return null;
 }


 /**
 * Looks for the Http headers in the originating request and creates a
 * Principal representing these if they exist.
 */

 public void invoke(Request request, Response response, ValveContext valveContext)
 throws IOException, ServletException {

 // Ha ! Ha !...Got the request before it makes it to Login Module...

 HttpRequest httpRequest = (HttpRequest)request;
 HttpServletRequest httpServletRequest = (HttpServletRequest)request.getRequest();
 List roles = new ArrayList();
 String username = (String)httpServletRequest.getHeader("myHeader");
 String rolesAsString = (String)httpServletRequest.getHeader("myList");

 StringTokenizer tok = new StringTokenizer(rolesAsString, ",");
 while (tok.hasMoreTokens()) {
 String token = tok.nextToken().trim();
 roles.add(token);
 }

 httpRequest.setUserPrincipal(new MyPrincipal(
 httpRequest.getContext().getRealm(), username, roles));

 // now execute all other valves
 valveContext.invokeNext(request, response);
 }

}