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Struts & Hibernate
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| | | ServiceUnavailableException for NIS authentication using JNDI and JAAS | ServiceUnavailableException for NIS authentication using JNDI and JAAS 2004-07-11 - By Yaron Gvili
Back
Hello, all.
I'm trying to set up NIS authentication by following the JAAS
authentication tutorial at
http://java.sun.com/j2se/1.4.2/docs/guide/security/jgss/tutorials/AcnOnly.h
tml
and the JndiLoginModule instruction at
http://java.sun.com/j2se/1.4.2/docs/guide/security/jaas/spec/com/sun/securi
ty/auth/module/JndiLoginModule.html
After a few seconds of waiting for the user and password I typed to
authenticate, I get the following output:
[JndiLoginModule] user provider:
nis://starlight.tau.ac.il/taucc.tau.ac.il/user
[JndiLoginModule] group provider:
nis://starlight.tau.ac.il/taucc.tau.ac.il/system/group
[JndiLoginModule]: User not found
javax.naming.ServiceUnavailableException  : starlight.tau.ac.il for
taucc.tau.ac.il not responding
at com.sun.jndi.nis.NISInitCtx.init(NISInitCtx.java:144)
...
[JndiLoginModule] regular authentication failed
[JndiLoginModule]: aborted authentication failed
However, I managed to obtain a user record (without a security manager)
using the sample code at
http://www.geocities.com/aacesta/nis.html
Here are some technical details.
I'm using Windows XP, J2SDK 1.4.2_04 and NIS 1.2.1
My JAAS configuration file "jaas.conf":
TesterJaas {
com.sun.security.auth.module.JndiLoginModule required debug=true
user.provider.url="nis://starlight.tau.ac.il/taucc.tau.ac.il/user"
group.provider.url="nis://starlight.tau.ac.il/taucc.tau.ac.il/system/group"
;
};
My security policy file "security.policy":
grant codebase "file:./main.jar" {
permission javax.security.auth.AuthPermission
"createLoginContext.TesterJaas";
};
grant codebase "file:./nis.jar" {
permission
java.net.SocketPermission "starlight.tau.ac.il", "connect";
permission
java.net.SocketPermission "starlight.tau.ac.il", "resolve";
};
The main class is packaged in "main.jar". The NIS provider jars "nis.jar"
and "providerutil.jar" are added to the classpath. The JVM properties I
used are:
-Djava.security.manager -Djava.security.policy=security.policy -
Djava.security.auth.login.config=jaas.conf -
Djava.naming.factory.initial=com.sun.jndi.nis.NISCtxFactory -
Djava.naming.provider.url=nis://starlight.tau.ac.il/taucc.tau.ac.il
Yaron.
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