Java OS Authentication

Question

I want to authenticate user with OS. I am getting username, password as input from user & I simply want to check with os whether that username, password is right or wrong.

I don't want to do LDAP authenticating. Only os authentication where my program is running. Second thing program should run on windows from xp on-wards, linux & if possible unix flavors.

Is there any way I can achieve that?

While googling I found : https://github.com/twall/jna

But still trying to figure out whether this library is right for my requirement or not

I suspect you need to use JNA. The only alternative I know is to read the shadow file (requiring you to access to it) — Peter Lawrey
– Peter Lawrey, Commented Mar 29, 2012 at 7:35
for linux its alternative way. Its unaccepted for my mgr to read from file. And for windows how can I do that? — Aniruddha
– Aniruddha, Commented Mar 29, 2012 at 9:01

Srinivas M.V. · Accepted Answer · 2012-03-29 09:05:58Z

1

Try WAFFLE windows Authentication framework

Steps for Windows Authentication using WAFFLE framework

Step1. Download following jars a.jna.jar b.waffle-jna.jar

Step 2 :Place these jars in your class folders

Step 3: Using waffle in your Java code below is the code snippet

public boolean isValidUser(String username , String password){
  WindowsAuthProviderImpl authenticationProvider = new WindowsAuthProviderImpl();
  IWindowsIdentity loggedOnUser = authenticationProvider.logonUser(username, password);
  if(!loggedOnUser.isGuest()){
        return true;
  }
   return false;
 }

Hope this helps !!

answered Mar 29, 2012 at 9:05

Srinivas M.V.

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2 Comments

Aniruddha Over a year ago

do u have any idea about how to do authentication with os, if os is linux

Aniruddha Over a year ago

one more thing, it not working on 64bit windows 7. I put wrong username, password combination still It list all group names & doesn't throw any error/exception

Michael-O · Accepted Answer · 2012-03-29 09:17:25Z

0

Use GSS-API with Kerberos if your are in an Active Directory environment.

answered Mar 29, 2012 at 9:17

Michael-O

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1 Comment

Aniruddha Over a year ago

not looking for AD authentication anyway thanks for suggestion. Will keep in mind if doing auth with ad

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