Re: [ANNOUNCE] UidBind LSM 0.1

[Casey Schaufler]

--- Roberto De Ioris <roberto@xxxxxxxx> wrote:

> Hi all,
> this is a very simple module that allows bind() to tcp/udp port (>=1024)
> only for the uids defined in a configfs tree.

Would you be so kind as to cross post to linux-security-module?
Methinks that you might get additional valuable feedback there.

> It is a first version, it only works for PF_INET sockets and makes no
> difference between tcp and udp (i am working on this)
> 
> For (little) more info see 
> 
> http://projects.unbit.it/uidbind/
> 
> Patch attached is for vanilla 2.6.20.7

It would be correct to return -EACCES rather than -EPERM in the
access denial case. EACCES indicates that an access control decision
failed, while EPERM indicates that use of a privileged operation
was attempted while not possessing appropriate privilege.



Casey Schaufler
casey@xxxxxxxxxxxxxxxx
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/