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Full Discussion: Restricting access to code
Top Forums UNIX for Advanced & Expert Users Restricting access to code Post 302342221 by cbkihong on Saturday 8th of August 2009 12:27:31 AM
Old 08-08-2009
Quote:
Originally Posted by akshay61286
Hi All,

I am facing a problem, regarding code security on a server.
We have configured a server which contains our code (ear present in jboss/server/xyz/deploy) in it, and need to bind the code to the server itself so that no one can take the code out of the. the problem is that the password of root for some reasons has to be shared with the users of the server, and we don't want them to create a copy of our code.

Are there some ways to achieve this ???
My understanding is that with JBoss as it stands, you can't.

I have a crazy idea though, yet I'm not even sure whether it makes sense or not as I have not tried it before. In theory, because class loading in Java is based on ClassLoader conceptually speaking you can create a custom classloader that does not load the bytecode from physical files (say, instead load the bytecode over the network on initialization). As the classes have been loaded they will reside in the permanent generation of the JVM (in memory anyway, simply speaking) and there ought to be no physical files on the deployment server. So, no one can find the files in the filesystem. This is not difficult, but how to integrate that custom classloader into JBoss may be more tricky and is likely not as simple as changing some mbean descriptors. Therefore, if you have an earnest need you may need to investigate the class loading of JBoss and think along this direction.

Do share with us (I'm particularly interested in hearing this) if you can actually make it work. Smilie
 

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NWAUTH(1)							      nwauth								 NWAUTH(1)

NAME
nwauth - Verify username/password SYNOPSIS
nwauth [ -h ] [ -S server ] [ -U user name ] [ -P password | -n ] [ -D ] DESCRIPTION
nwauth does nothing but logging into a NetWare server. If the login was successful, an error code of 0 is returned. If the login was not successful, an error code of 1 is returned. It was designed for use by other programs who want authenticate users via a NetWare server. If there is no -P or -n option specified on command line, nwauth always expects a password on stdin. If the stdin is a tty, then the user is prompted for a password. Otherwise nwauth simply reads stdin for a password. nwauth looks up the file $HOME/.nwclient to find a file server and a user name if they are not specified on command line. See nwclient(5) for more information. Please note that the access permissions of .nwclient MUST be 600, for security reasons. OPTIONS
-h -h is used to print a short help text. -S server server is the name of the server you want to use. -U user name If the user name your NetWare administrator gave to you differs from your unix user-id, you should use -U to tell the server about your NetWare user name. -D nwauth says that your password is correct if you have existing connection to server with name user name. This is handy for some shell scripts, but it is unacceptable for authorization modules, such as PAM, PHP or Apache. It was pointed to me that this behavior was not well known, and there exist at least one PAM module which does not know that (this module is not part of ncpfs; you should use PAM mod- ule which comes with ncpfs instead anyway). SEE ALSO
nwclient(5) CREDITS
nwauth was written by Volker Lendecke (lendecke@math.uni-goettingen.de) nwauth 10/27/1996 NWAUTH(1)
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