On Tue, Sep 18, 2012 at 04:17:06PM -0700, Tom Brown wrote:
> >Pass the -access and the -accesslocal parameter to couriertcpd,
> >and set up an access file that sets the DEFDOMAIN environment
> >variable based on the local IP address.
>
> I don't understand how this is going to do anything that couriertcpd
> isn't already doing...
If user connects to 192.0.2.1 and username has no domain, append @foo to
username.
If user connects to 192.0.2.2 and username has no domain, append @bar to
username.
> ... but I don't see anything in imap/imaplogin.c that seems to do
> what you suggest...
It's in courier-authlib.
courier-authlib-0.64.0 $ grep -R DEFDOMAIN .
./authmoduser3.c:** - DEFDOMAIN if username does not contain any characters frP
./authmoduser3.c:** the first char of DEFDOMAIN)
./authmoduser3.c: q=getenv("DEFDOMAIN");
./authsaslcram.c: /* If DEFDOMAIN is set, pick apart the response and reae
./authsaslcram.c: q=getenv("DEFDOMAIN");
You can follow it from there.
> Sounds like my trivial patches to the imap/imaplogin.c and
> imap/pop3login.c files is likely to be much simpler, as the only
> setup required is turning off the default -nodnslookup flag.
Creating an access file is easy, and if you can avoid keeping a custom code
fork then I think it's worthwhile. I used this for a while without problems.
To make the access.db I used
exim_dbmbuild -nozero access.in access.db
since I happened to have exim around. You can probably cobble something
together with perl and tie, if you can't find Sam's code.
Typing 'makesmtpaccess' into google gives you
http://www.courier-mta.org/makesmtpaccess.html
I believe it's part of the full courier suite, not just courier-imap.
Regards,
Brian.
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