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  1. JDK
  2. JDK-7150092

NTLM authentication fail if user specified a different realm

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    Details

    • Subcomponent:
    • Resolved In Build:
      b23
    • CPU:
      x86
    • OS:
      linux

      Backports

        Description

        FULL PRODUCT VERSION :
        java version "1.7.0_03"
        Java(TM) SE Runtime Environment (build 1.7.0_03-b04)
        Java HotSpot(TM) 64-Bit Server VM (build 22.1-b02, mixed mode)


        ADDITIONAL OS VERSION INFORMATION :
        Linux cde 2.6.18-238.19.1.el5.centos.plus #1 SMP Mon Jul 18 10:05:09 EDT 2011 x86_64 x86_64 x86_64 GNU/Linux

        A DESCRIPTION OF THE PROBLEM :
        I can't authenticate with NTLM server. Same code does work in java 1.6, but isn't running in java 1.7.
        When I try "conn.getInputStream()" i receive this error:
        java.net.ProtocolException: Server redirected too many times (20)

        REGRESSION. Last worked in version 6u29

        STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
        Try running provided simple code against the NTML server.

        EXPECTED VERSUS ACTUAL BEHAVIOR :
        EXPECTED -
        You shold receive the requested url.
        ACTUAL -
        There were no result, only ProtocolException.

        ERROR MESSAGES/STACK TRACES THAT OCCUR :
        Exception in thread "main" java.net.ProtocolException: Server redirected too many times (20)
        at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1622)
        at ntlm.Main.getAuthenticatedResponse(Main.java:55)
        at ntlm.Main.main(Main.java:30)

        REPRODUCIBILITY :
        This bug can be reproduced always.

        ---------- BEGIN SOURCE ----------
        package ntlm;

        import java.io.BufferedReader;
        import java.io.IOException;
        import java.io.InputStream;
        import java.io.InputStreamReader;
        import java.net.Authenticator;
        import java.net.HttpURLConnection;
        import java.net.PasswordAuthentication;
        import java.net.URL;

        public class Main {

             public static void main(String[] args) throws Exception
                {
                    String urlStr = "http://put_here_ntlm_server_address";
                    String domain = "SIMPLE_DOMAIN";
                    String userName = "SIMPLE_USERNAME";
                    String password = "SIMPLE_PASSWORD";

                    String responseText = getAuthenticatedResponse(urlStr, domain, userName, password);

                    System.out.println("response: " + responseText);
        }

        private static String getAuthenticatedResponse(final String urlStr, final String domain, final String userName, final String password) throws IOException
                {
        StringBuilder response = new StringBuilder();

                    Authenticator.setDefault(new Authenticator() {
        @Override
        public PasswordAuthentication getPasswordAuthentication() {
        return new PasswordAuthentication(domain + "\\" + userName, password.toCharArray());
        }
        });

        URL urlRequest = new URL(urlStr);
        HttpURLConnection conn = (HttpURLConnection) urlRequest.openConnection();
                    conn.setInstanceFollowRedirects(true);
                    conn.setAllowUserInteraction(true);
        conn.setDoOutput(true);
        conn.setDoInput(true);
        conn.setRequestMethod("GET");

        InputStream stream = conn.getInputStream();
        BufferedReader in = new BufferedReader(new InputStreamReader(stream));
        String str = "";
        while ((str = in.readLine()) != null) {
        response.append(str);
        }
        in.close();

        return response.toString();
        }
        }

        ---------- END SOURCE ----------

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                Assignee:
                weijun Weijun Wang
                Reporter:
                webbuggrp Webbug Group
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