Subject: Re: Libc and Directory Access
To: None <current-users@NetBSD.org>
From: Chuck Yerkes <email@example.com>
Date: 07/18/2003 01:36:10
What warrants this being dynamic rather than static?
getpwent() gets a request for a password entry.
getpwent() calls the routine that gets the "passwd" line
Oh! It says "file ldap"!
It calls getpwent_file() with argument. Sadly, that fails.
So it calls getpwent_ldap(). That works! Joy!
No dynamic loads, perhaps a shared library, but that's ok.
I just don't want the two blurred together.
Many ways of getting name service info do not depend on
dynamicly loaded modules (which may be desired for other reasons).
I find dynamic useful when I don't have, hmmm, THE SOURCES?
Quoting Adam Lebsack (firstname.lastname@example.org):
> Hey guys...
> I know there was a rather heated topic about this a while back, but it
> seems to have ended with no useful conclusions.
> This concerns the state of dynamically loading nss_* modules. I have
> been thinking about this a great deal lately, and it is an huge feature
> I'd like to see in NetBSD 2.0. I am willing to try to code this, so
> I'll detail my plan right here.
> I believe we should use some sort of caching daemon, much like linux's
> nscd. However, the failure of the caching daemon would be a problem,
> so I propose that nss modules should be compatible with both the
> dynamic libc and the proposed caching daemon. libc checks for the
> caching daemon and if it isn't running (which may be the choice of the
> user), it loads the nsswitch.conf and the proper modules into itself.
> Is someone already working on this? I know FreeBSD recently got
> dynamic nss modules. Anyone know if it works well? Any feedback
> before I begin would be greatly appeciated.