On Mon, 2003-12-08 at 20:43, James Ralston wrote:
> I've skimmed the FAQ and the mailing list archives, but I didn't see
> this subject come up...
>
> I'm using Mailman 2.1.1. I really need to be able to prevent people
> who are using the "list creator" role from being able to create
> mailing lists with certain names.
>
> I'd like to be able to specify a list of regular expressions to
> consider "bad", like so:
>
> ^postmaster$
> ^abuse$
> ^news$
> -request$
> ^owner-
>
> Ideally, I'd also like to be able to enforce a rule that all mailing
> list names must match a certain regular expression. E.g.:
>
> ^[:alpha:][:alnum:]*(-[:alnum:]+)*$
>
> A new list name would only be permitted if it didn't match any of the
> "bad" regular expressions *and* matched the "good" regular expression.
>
> While I'm not very familiar with Python, from a cursory examination of
> the code, it would appear that Mailman doesn't offer this feature. Am
> I mistaken?
>
> Assuming I'm not mistaken, would there be any resistance to adding
> this feature? And what would be the best mechanism to do so?
>
> Regards,
This is almost trivial.
Modify the file ~mailman/Mailman/Utils.py
The first defined function therein is "list_exists" which is used when
creating a new list to determine if the list can be created.
def list_exists(listname):
"""Return true iff list `listname' exists."""
# The existance of any of the following file proves the list exists
# <wink>: config.pck, config.pck.last, config.db, config.db.last
#
# The former two are for 2.1alpha3 and beyond, while the latter
# two are for all earlier versions.
basepath = Site.get_listpath(listname)
for ext in ('.pck', '.pck.last', '.db', '.db.last'):
dbfile = os.path.join(basepath, 'config' + ext)
if os.path.exists(dbfile):
return 1
return 0
You could simply add your restrictions in here (but be sure to read up
on how Regular Expressions work in Python - they are different than what
your used to in shell expansions)...
Alternately, as the code points out, you could simply create a
directory under ~mailman/lists/ and then "touch config.db" in that
directory:
mkdir ~mailman/lists/postmaster
touch ~mailman/lists/postmaster/config.db
Viola! Now no user can create a list called "postmaster".
HtH - Jon Carnes
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