Hi All,
I'm tring to execute one authentication program using JAAS realms in
tomcat but when i was running i'm getting error like below.
javax.security.auth.login.LoginException: No LoginModules configured for BytesLoungeLogin
at javax.security.auth.login.LoginContext.init(Unknown Source)
at javax.security.auth.login.LoginContext.<init>(Unknown Source)
at org.apache.catalina.realm.JAASRealm.authenticate(JAASRealm.java:394)
at org.apache.catalina.realm.JAASRealm.authenticate(JAASRealm.java:334)
at org.apache.catalina.authenticator.BasicAuthenticator.authenticate(BasicAuthenticator.java:157)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:554)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:380)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:243)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:188)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:288)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
used classes are classes :
------------------------------------
import java.security.Principal;
public class RolePrincipal implements Principal {
private
String name;
public RolePrincipal(String name) {
super();
this.name = name;
}
public void setName(String name) {
this.name = name;
}
@Override
public String getName() {
return name;
}
}
-----------------------------------------------------------------------
import java.security.Principal;
public class UserPrincipal implements Principal {
private String name;
public UserPrincipal(String name) {
super();
this.name = name;
}
public void setName(String name) {
this.name = name;
}
@Override
public String getName() {
return name;
}
}
-----------------------------------------------------------------------------------
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import javax.security.auth.Subject;
import javax.security.auth.callback.Callback;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.callback.NameCallback;
import javax.security.auth.callback.PasswordCallback;
import javax.security.auth.callback.UnsupportedCallbackException;
import javax.security.auth.login.LoginException;
import javax.security.auth.spi.LoginModule;
public class BytesLoungeLoginModule implements LoginModule {
private CallbackHandler handler;
private Subject subject;
private UserPrincipal userPrincipal;
private RolePrincipal rolePrincipal;
private String login;
private List<String> userGroups;
@Override
public void initialize(Subject subject, CallbackHandler callbackHandler,
Map<String, ?> sharedState, Map<String, ?> options) {
handler = callbackHandler;
this.subject = subject;
}
@Override
public boolean login() throws LoginException {
Callback[] callbacks = new Callback[2];
callbacks[0] = new NameCallback("login");
callbacks[1] = new PasswordCallback("password", true);
try {
handler.handle(callbacks);
String name = ((NameCallback) callbacks[0]).getName();
String password = String.valueOf(((PasswordCallback) callbacks[1])
.getPassword());
if (name != null && name.equals("user123") && password != null
&& password.equals("pass123")) {
login = name;
userGroups = new ArrayList<String>();
userGroups.add("admin");
return true;
}
throw new LoginException("Authentication failed");
} catch (IOException e) {
throw new LoginException(e.getMessage());
} catch (UnsupportedCallbackException e) {
throw new LoginException(e.getMessage());
}
}
@Override
public boolean commit() throws LoginException {
userPrincipal = new UserPrincipal(login);
subject.getPrincipals().add(userPrincipal);
if (userGroups != null && userGroups.size() > 0) {
for (String groupName : userGroups) {
rolePrincipal = new RolePrincipal(groupName);
subject.getPrincipals().add(rolePrincipal);
}
}
return true;
}
@Override
public boolean abort() throws LoginException {
return false;
}
@Override
public boolean logout() throws LoginException {
subject.getPrincipals().remove(userPrincipal);
subject.getPrincipals().remove(rolePrincipal);
return true;
}
}
------------------------------------
web.xml is like below
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">
<display-name>JDBCRealms</display-name>
<security-constraint>
<web-resource-collection>
<web-resource-name>Admin</web-resource-name>
<url-pattern>/admin/*</url-pattern>
</web-resource-collection>
<auth-constraint>
<role-name>admin</role-name>
</auth-constraint>
</security-constraint>
<security-role>
<role-name>admin</role-name>
</security-role>
<login-config>
<auth-method>BASIC</auth-method>
<realm-name>Admin</realm-name>
</login-config>
</web-app>
-------------------------------------------------------------------------------
below one is context.xml it is placed in META-INF
<?xml version="1.0" encoding="UTF-8"?>
<Context>
<Realm className="org.apache.catalina.realm.JAASRealm" appName="BytesLoungeLogin"
userClassNames="com.byteslounge.jaas.UserPrincipal" roleClassNames="com.byteslounge.jaas.RolePrincipal" />
</Context>
--------------------------------------------------------------------------
below one is the jaas.config file it is placed in Tomcat->conf folder.
BytesLoungeLogin {
com.byteslounge.jaas.BytesLoungeLoginModule required debug=true;
};
Please any one solve my problem.
Thanks and Regards,
Nazeer.