smbpassword modification & logon scripts

[scode at scode.webprovider.com]

Hello!

I've got two questions for which I haven't been able to find an answer after
searching the web and the list archives.

* Is it in any way possible to, from a per-user logon script, find out if
the user belongs to a specific Unix group? I guess this would get pretty
tricky, but is it possible at all?

* I need to create a script/program that removes a user from a Unix system.
The removal has to include the entries in /etc/smbpasswd and /etc/smbusers[1].
First of all, is there a utility out there already that does this? If not,
how do I lock the file so to prevent samba from reading it while I'm
modifying it? Which locking mechanism does samba use?

[1] If I remove a Unix user, but leave the samba entry behind, problems will
arise if one later creates a new user by the same name. smbpasswd (the
executable) will then refuse to change the password of the user.

Thanks!

-- 
/ Peter Schuller

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